Service manual | Electrolux OHV Snow Blower User Manual

For Husqvarna Parts Call 606-678-9623 or 606-561-4983
H O M E
P R O D U C T S
SNOWTHROWER SERVICE MANUAL
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To the technician using this manual:
This technical manual includes sections of the consumers owners manual to allow the
you to see the instructions given to the consumer or retail store. These pages will
have the word CONSUMER in smaller print in the heading.
For the purpose of this manual we selected a model that has as many features as possible. You may work on models that do not have power steering, a headlight, or the
auger may be 24, 27, or 30 inches wide. This manual is written to cover the most
complex repairs.
Section 7 will deal with SYSTEMS AND REPAIR PROCEDURES. Included in this section
will be the exploded parts listing from a snowthrower. This will allow you so compare
the pictures with the instructions to the parts illustrations. The part numbers will not
be shown as they will change on different models. You should refer to the parts list
for the specific model you are working on when ordering parts.
When working on a snowthrower or any lawn and garden equipment develop and follow
safe working practices:
* Wear appropriate close fitting clothing.
* Use safety equipment, i.e. gloves, safety glasses or hearing protection.
* Always remove the spark plug wire when working on a machine.
* Use the proper tools and use torque wrench on fasteners indicated in this manual.
* Use power tools only to loosen threaded fasteners.
* Be extremely careful with fuel. Keep the lid and vent closed on gasoline containers
and away from sunlight, heat, flames, or sparks.
* Follow safety recommendations from other manuals and the consumer safety rules
on pages 4 and 5. We should set a good example for the customer and follow the
practices we expect them to follow.
The following section labeled 'Customer Responsibilities' is in the owners manual:
CUSTOMER RESPONSIBILITIES
•
•
•
Read and observe the safety rules.
Follow a regular schedule in maintaining, caring for and using your snow thrower.
Follow the instructions under “Maintenance” and “Storage” sections of owner’s manual.
2
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TABLE OF CONTENTS
Page
Section 1. Safety Rules -
4
Section 2. Specifications –
6
Section 3. Assembly -
7
Section 4. Maintenance, Storage, and Operation -
17
Section 5. Troubleshooting Chart -
22
Section 6. Adjustments -
23
Section 7. Systems and Repair Procedures Service Notes -
27-50
51
3
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SECTION 1: SAFETY RULES
Safe Operation Practices for Snow Throwers
IMPORTANT: This machine is capable of amputating hands and feet and throwing objects. Failure to observe the following
safety instructions could result in serious injury or death.
PREPARATION
Look for this symbol to point out important safety precautions. It means
CAUTION!!! BECOME ALERT!!! YOUR
SAFETY IS INVOLVED.
•
Remove foreign objects. Thoroughly inspect the area
where the equipment is to be used and remove all
doormats, sleds, boards, wires, rocks & landscaping.
• Disengage all clutches before starting engine (motor).
• Do not operate the equipment without wearing adequate winter outer garments. Avoid loose, dangling
clothing, such as scarves, which can get caught in
rotating parts. Wear footwear that will improve footing
on slippery surfaces.
• Handle fuel with care; it is highly flammable.
- Never smoke while refueling.
- Use an approved fuel container.
- Never remove fuel tank cap or add fuel to a running
engine (motor) or hot engine (motor).
- Fill fuel tank outdoors with extreme care. Never fill
fuel tank indoors.
- Replace fuel cap securely and wipe up spilled
fuel.
- Never store fuel or snow thrower with fuel in the
tank inside of a building where fumes may reach
an open flame or spark.
- Check fuel supply before each use, allowing space
for expansion as the heat of the engine (motor)
and/or sun cause fuel to expand.
STATIC ELECTRICITY HAZARD - Never fill containers inside a vehicle or on a truck
or trailer bed with a plastic liner. Always place
containers on the ground, away from your vehicle
before filling.
- When practical, remove gas-powered equipment
from the truck or trailer and refuel it on the ground.
If this is not possible, then refuel such equipment
on a trailer with a portable container, rather than
from a gasoline dispenser nozzle.
- Keep the nozzle in contact with the rim of the fuel
tankopening at all times, until refueling is complete.
Do not use a nozzle lock-open device.
- If fuel is spilled on clothing, change clothing immediately.
• For all units with electric starting motors use electric
starting extension cords certified CSA/UL. Use only
with a receptacle that has been installed in accordance
with local inspection authorities.
• If snow thrower must be operated over gravel surface,
use extra caution and be sure skid plates are adjusted
to lowest (highest scraper clearance) position.
• Never attempt to make any adjustments while the
engine (motor) is running (except when specifically
recommended by manufacturer).
• Let engine (motor) and snow thrower adjust to outdoor
temperatures before starting to clear snow.
• Always wear safety glasses or eye shields during operation or while performing an adjustment or repair to
protect eyes from foreign objects that may be thrown
from the snow thrower.
WARNING: Always disconnect spark
plug wire and place it where it cannot
contact plug in order to prevent accidental starting when setting up, transporting, adjusting or making repairs.
WARNING: This snow thrower is for
use on sidewalks, driveways and other
ground level surfaces. Caution should
be exercised while using on sloping
surfaces. Do not use snow thrower on
surfaces above ground level such as
roofs of residences, garages, porches
or other such structures or buildings.
WARNING: Snow throwers have exposed rotating parts, which can cause
severe injury from contact, or from material thrown from the discharge chute.
Keep the area of operation clear of all
persons, small children and pets at all
times including startup.
CAUTION: Muffler and other engine
parts become extremely hot during
operation and remain hot after engine
has stopped. To avoid severe burns on
contact, stay away from these areas.
WARNING: Engine exhaust, some of
its constituents, and certain vehicle
components contain or emit chemicals known to the State of California
to cause cancer and birth defects or
other reproductive harm.
TRAINING
•
•
•
•
Read the operating and service instruction manual
carefully. Be thoroughly familiar with the controls and
the proper use of the equipment. Know how to stop the
unit and disengage the controls quickly.
Never allow children to operate the equipment. Never
allow adults to operate the equipment without proper
instruction.
Keep the area of operation clear of all persons, particularly small children and pets.
Exercise caution to avoid slipping or falling especially
when operating in reverse.
4
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SAFETY RULES
Safe Operation Practices for Snow Throwers
IMPORTANT: This machine is capable of amputating hands and feet and throwing objects. Failure to observe the following
safety instructions could result in serious injury or death.
OPERATION
•
•
•
•
•
•
•
•
•
•
•
Do not operate this machine if you are under the influence of alcohol or taking drugs or other medication
which can cause drowsiness or affect your ability to
operate this machine.
Do not use this machine if you are mentally or physically
unable to operate this machine safely.
Do not put hands or feet near or under rotating parts.
Keep clear of the discharge opening and front auger
area at all times.
Exercise extreme caution when operating on or crossing gravel drives, walks or roads. Stay alert for hidden
hazards or traffic.
After striking a foreign object, stop the engine (motor),
remove wire from the spark plug, thoroughly inspect
snow thrower for any damage, and repair the damage
before restarting and operating the snow thrower.
If the unit should start to vibrate abnormally, stop the
engine (motor) and check immediately for the cause.
Vibration is generally a warning of trouble.
Stop the engine (motor) whenever you leave the operating position, before unclogging the auger/impeller
housing or discharge chute and when making any
repairs, adjustments, or inspections.
When cleaning, repairing, or inspecting, make certain
all controls are disengaged and the auger/impeller and
all moving parts have stopped. Disconnect the spark
plug wire and keep the wire away from the spark plug
to prevent accidental starting.
Take all possible precautions when leaving the snow
thrower unattended. Disengage the auger/impeller, stop
engine (motor), and remove key.
Do not run the engine (motor) indoors, except when
starting the engine (motor) and for transporting the
snow thrower in or out of the building. Open the outside
doors.
•
•
•
•
•
•
•
•
•
MAINTENANCE AND STORAGE
•
•
WARNING: Exhaust fumes are dangerous (containing CARBON MONOXIDE, an ODORLESS and DEADLY
GAS).
•
•
Never operate the snow thrower near glass enclosures, automobiles, window wells, drop–offs, and the
like without proper adjustment of the snow discharge
angle. Keep children and pets away.
Do not overload the machine capacity by attempting
to clear snow at too fast a rate.
Never operate the machine at high transport speeds
on slippery surfaces. Look behind and use care when
backing up.
Never direct discharge at bystanders or allow anyone
in front of the unit.
Disengage power to the auger/impeller when snow
thrower is transported or not in use.
Use only attachments and accessories approved by
the manufacturer of the snow thrower (such as wheel
weights, counterweights, cabs, tire chains, electric start
kits, etc.).
Never operate the snow thrower without good visibility
or light. Always be sure of your footing and keep a firm
hold on the handles. Walk; never run.
Do not overreach. Keep proper footing and balance at
all times.
This snow thrower is for use on sidewalks, driveways
and other ground level surfaces.
Do not use the snow thrower on surfaces above ground
level such as roofs of residences, garages, porches or
other such structures or buildings.
•
Do not clear snow across the face of slopes. Exercise
extreme caution when changing direction on slopes.
Do not attempt to clear steep slopes.
Never operate the snow thrower without proper guards,
plates or other safety protective devices in place.
•
•
Check shear bolts and other bolts at frequent intervals
for proper tightness to be sure the equipment is in safe
working condition.
Never store the snow thrower with fuel in the tank inside
a building where ignition sources are present such as
hot water and space heaters, clothes dryers, and the
like. Allow the engine (motor) to cool before storing in
any enclosure.
Always refer to operator’s guide instructions for important details if the snow thrower is to be stored for
an extended period.
Maintain or replace safety and instruction labels, as
necessary.
Run the snow thrower, with auger engaged, a few
minutes after throwing snow to clear the machine and
prevent freeze-up of the auger/impeller.
5
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SECTION 2: SPECIFICATIONS
ENGINE: . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GASOLINE CAPACITY:
On 5 & 5.5 HP
TYPE
OIL TYPE: . . . . . . . . . . . . . . . . . . . . . . . .
(API-SF-SJ)
TECUMSEH OHV
4.0 Quart
3.5 Quart
Unleaded Regular only
SAE 30
SAE 5W-30 or 10W30
SAE 0W-30
21 Ounces
26 Ounces
OIL CAPACITY: . ( TECUMSEH 5 or 5.5 HP )
OIL CAPACITY: . ( TECUMSEH 9 & 11 HP ) . . . .
(above 40 F)
( 0 to 40 F)
(below 0 F)
SPARK PLUG:
Champion RN4C for OHV models(Gap.030")
Champion RJ-19LM for ‘L’ Head (Gap: .030")
ENGINE SPEED:
( TECUMSEH 5 or 5.5 HP ) . 3400 plus or minus 150 RPM
ENGINE SPEED:
( TECUMSEH 9 & 11 HP )
3500 plus or minus 150 RPM
ALTERNATOR: . . . . . . . . . . . . . . . . . . . . . . On models with headlight option
ELECTRIC STARTER:
Available on selected models of snowthrower
DRIVE SYSTEM: . . . . . . . . . . . . . . . . . . . . . . . .
TRACTION BELT: . . . . . . . . . . . . . . . . . . .
WHEELS:
TIRE PRESSURE: . . . . . . . . . . . . . . . . . . .
SNOWTHROWER AUGER SYSTEM: . . . . . . . . . . . . . .
AUGER BELT: . . . . . . . . . . . . . . . . . . . . . .
GEARBOX:
SCRAPER BAR:
SKID PLATES:
Traction Disc System with Gears BRAKE:None
Part Number 179092 Cog-V-Belt (Use OEM part
only)
13" or 16"
14 to 17 PSI in operation
24", 27", or 30" Widths
Part Number 183533 ( Use OEM part only )
Worm with Gear / No Maintenance Required
Reversible / Replaceable
Adjustable / Replaceable
FASTENERS THAT MUST BE TORQUED:
BOLTS HOLDING ENGINE TO CHASSIS: . . . . . . . . . .
LOWER HANDLE BOLTS:
SCREWS INTO AUGER BEARINGS: . . . . . . . . . . . . .
BOLTS HOLDING PULLEY FOR RUBBER RING:
PIVOT BOLT FOR IDLER BRACKET (ON ENGINE): . . .
BELT GUIDE BOLT ( ON ENGINE ):
BOLT HOLDING AUGER TO POWERHEAD: . . . . . . . .
SELF TAPPING SCREWS FOR FLANGE BEARING ASSY:
25 to 30 Ft.Lb.
25 to 30 Ft.Lb.
5 to 8 Ft.Lb.
14 to 18 Ft.Lb.
12 to 16 Ft.Lb.
12 to 16 Ft.Lb.
25 to 30 Ft.Lb.
14 to 18 Ft.Lb.
METALLIC ANTI - SEIZE REQUIRED ON POWER STEERING SPLINE AND FRICTION PLATE SHAFT
6
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SECTION 3: CONSUMER ASSEMBLY
PARTS PACKED SEPARATELY IN CARTON
7
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CONSUMER ASSEMBLY / PRE-OPERATION
Read these instructions and this manual in its entirety before you attempt to assemble or operate your new snow thrower.Your
new snow thrower has been assembled at the factory with the exception of those parts left unassembled for shipping
purposes. All parts such as nuts, washers, bolts, etc., necessary to complete the assembly have been placed in the parts
bag. To ensure safe and proper operation of your snow thrower, all parts and hardware you assemble must be tightened
securely. Use the correct tools as necessary to ensure proper tightness.
REMOVE SNOW THROWER FROM CARTON
SPEED CONTROL ROD
1. Remove all accessible loose parts and parts boxes
from carton.
2. Cut down all four corners of carton and lay panels
flat.
3. Remove all packing materials except plastic tie holding
speed control rod to lower handle.
4. Remove snow thrower from carton and check carton
thoroughly for additional loose parts.
RETAINER
SPRING
HOW TO SET UP YOUR SNOW THROWER
TOOL BOX (See Fig. 12)
A toolbox is provided on your snow thrower. The toolbox
is located on top of the belt cover. Store the extra shear
bolts, nuts and multi-wrench provided in parts bag in the
toolbox.
NOTE: The multi-wrench may be used for assembly of the
chute rotator head to snow thrower and making adjustments
to the skid plates.
SPEED CONTROL
BRACKET
SPEED CONTROL
LEVER
FIG. 2
INSTALL TRACTION DRIVE CONTROL ROD
(See Figs. 3 and 4)
The traction drive control rod has the long loop on the end
of the spring as shown.
1. Slide rubber sleeve up rod and hook end of spring into
pivot bracket with loop opening down as shown.
2. Remove retainer spring from top end of rod.
3. With top end of rod positioned under left side of control
panel, push rod down and insert top end of rod into hole
in drive control bracket. Secure with retainer spring.
UNFOLD UPPER HANDLE
1. Raise upper handle to the operating position and tighten
handle knobs securely.
INSTALL SPEED CONTROL ROD (See Figs. 1 and 2)
1. Remove plastic tie securing rod to lower handle.
2. Remove retainer spring from top end of rod.
3. Insert rod into speed control bracket and secure with
retainer spring.
SPEED CONTROL ROD
TRACTION DRIVE
CONTROL ROD
PLASTIC TIE
UPPER
HANDLE
RUBBER
SLEEVE
HANDLE
KNOB
LOWER
HANDLE
LOOP
OPENING
DOWN
PIVOT
BRACKET
FIG. 1
8
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FIG. 3
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CONSUMER ASSEMBLY / PRE-OPERATION
TRACTION DRIVE
CONTROL LEVER
RETAINER
SPRING
AUGER
CONTROL
RETAINER
ROD
SPRING
TRACTION
DRIVE CONTROL ROD
AUGER
CONTROL
LEVER
AUGER
CONTROL
BRACKET
DRIVE
CONTROL
BRACKET
FIG. 4
FIG. 6
INSTALL AUGER CONTROL ROD (See Figs. 5 and 6)
The auger control rod has the short loop on the end of the
spring as shown.
1. Slide rubber sleeve up rod and hook end of spring into
control arm with loop opening up as shown.
2. Remove retainer spring from top end of rod.
3. With top end of rod positioned under right side of control
panel, push down on rod and insert end of rod into hole
in auger control bracket. Secure with retainer spring.
(See Fig. 7)
NOTE: The multi-wrench provided in your parts bag may
be used to install the chute rotater head.
1. Place discharge chute assembly on top of chute base
with discharge opening toward front of snow thrower.
2. Position chute rotater head over chute bracket. If necessary, rotate chute assembly to align square and pin
on underside of chute rotater head with holes in chute
bracket.
3. With chute rotater head and chute bracket aligned,
position chute rotater head on pin and threaded stud
of mounting bracket.
4. Install 3/8 washer and locknut on threaded stud and
tighten securely.
INSTALL DISCHARGE CHUTE / CHUTE ROTATER HEAD
AUGER CONTROL ROD
CHUTE ROTATER HEAD
3/8 LOCKNUT
RUBBER
SLEEVE
3/8 WASHER
CONTROL
ARM
CHUTE
BRACKET
LOOP
OPENING
UP
PIN
THREADED
STUD
ROTATER HEAD
MOUNTING
BRACKET
FIG. 7
FIG. 5
9
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CONSUMER ASSEMBLY / PRE-OPERATION
INSTALL CHUTE DEFLECTOR REMOTE CONTROL
(See Figs. 9 and 10)
1. Install remote cable bracket to discharge chute with
5/16-18 carriage bolt, flat washer and 5/16-18 locknut
as shown. Tighten securely.
2. Install remote cable eyelet to chute deflector with
1/4-20 shoulder bolt, nylon washer and
1/4-20 locknut as shown. Tighten securely.
3. Install spring hooks between hex nuts on chute rotater
head and into hole in chute deflector as shown.
CHUTE DEFLECTOR
SPRING
NYLON
WASHER
INSTALL WEIGHT BAG (See Fig. 11)
Though seldom required, the weight bag will reduce the
tendency of the auger housing to ride up on hard, icy drifts.
Should conditions require it, install as follows:
1. Shut off engine and wait for all moving parts to stop.
2. Fill weight bag with desired amount of sand.
3. Place weight bag on top of auger housing with mounting clamp at front edge of auger housing as shown.
IMPORTANT: Mount the weight bag in a location which
does not cover the warning decals on top of the auger
housing.
1/4-20
SHOULDER
BOLT
CHECK TIRE PRESSURE
HOOK BETWEEN
HEX NUTS
ON CHUTE ROTATER HEAD
CABLE EYELET
1/4-20
LOCKNUT
MOUNTING
CLAMP
BAR
5/16-18
CARRIAGE
BOLT
REMOTE
CABLE
BRACKET
WEIGHT
BAG
FLAT
WASHER
5/16-18 LOCKNUT
FIG. 9
5/16-18 x 1-1/2
CAPSCREWS
AUGER HOUSING
FIG. 11
The tires on your snow thrower were overinflated at the factory for shipping purposes. Correct and equal tire pressure
is important for best snow throwing performance.
• Reduce tire pressure to 14-17 PSI.
CHUTE DEFLECTOR
CONTROL LEVER
FIG. 10
10
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CONSUMER OPERATION
KNOW YOUR SNOW THROWER
READ THIS OWNER'S MANUAL AND ALL SAFETY RULES BEFORE OPERATING YOUR SNOW THROWER. Compare
the illustrations with your snow thrower to familiarize yourself with the location of various controls and adjustments. Save
this manual for future reference.
These symbols may appear on your snow thrower or in literature supplied with the product. Learn and understand
their meaning.
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11
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CONSUMER OPERATION
SAFETY
IGNITION
KEY
SPARK
PLUG
ENGINE OIL CAP
WITH DIPSTICK
AUGER CONTROL LEVER
DISCHARGE CHUTE CONTROL LEVER
DRIVE SPEED CONTROL LEVER
GASOLINE
FILLER
CAP
CHUTE DEFLECTOR
CHOKE
CONTROL
THROTTLE /
ENGINE CONTROL
DEFLECTOR REMOTE CONTROL LEVER
TRACTION
DRIVE CONTROL LEVER
LH TURN
TRIGGER
OIL DRAIN
PLUG
LIGHT
RECOIL (AUXILIARY) STARTER
HANDLE
POWER
CORD
PLUG
ELECTRIC
START BUT- FUEL SHUT-OFF VALVE
TON
DISCHARGE
PRIMER
CHUTE
HANDLE
KNOB
MUFFLER
NOTE: ITEMS
ABOVE ARE SHOWN
IN THEIR TYPICAL
LOCATION ON THE
ENGINE. ACTUAL
LOCATION MAY
VARY WITH THE
ENGINE ON YOUR
UNIT.
TOOLBOX
SKID PLATE
AUGER
FIG. 12
MEETS A.N.S.I. SAFETY REQUIREMENTS
Our snow throwers conform to the standards of the American National Standards Institute.
Toolbox - used to store spare shear bolts, locknuts and
wrench.
LH and RH turn triggers - used to steer the snow thrower.
Drive speed control lever - used to select forward or reverse
motion and speed of snow thrower.
Safety ignition key - must be inserted for the engine to start and
run. Remove when snow thrower is not in use.
Electric start button - used for starting the engine.
Traction drive control lever - used to engage power-propelled
forward or reverse motion of snow thrower.
Recoil (auxiliary) starter handle - used for starting the engine.
Auger control lever - used to engage auger motion (throw
snow).
Primer - pumps additional fuel from the carburetor to the cylinder
for use when starting a cold engine.
Discharge chute control lever - used to change the direction
the snow is thrown.
Choke Control - used for starting a cold engine.
Deflector remote control lever - used to change the distance
the snow is thrown.
Throttle/engine control - used to select either FAST or SLOW
engine speed and to STOP the engine.
12
Skid plate - used to adjust height of scraper bar from the
ground.
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CONSUMER OPERATION
The operation of any snow thrower can result
in foreign objects thrown into the eyes, which
can result in severe eye damage. Always
wear safety glasses or eye shields while
operating your snow thrower or performing
any adjustments or repairs. We recommend
standard safety glasses or a wide vision safety mask worn
over spectacles.
TO USE CHOKE CONTROL (See Fig. 15)
The choke control is located on the engine. Use the choke
control whenever you are starting a cold engine. Do not
use to start a warm engine.
• To engage choke, turn knob clockwise. Slowly turn
knob counterclockwise to disengage.
HOW TO USE YOUR SNOW THROWER
Know how to operate all controls before adding fuel or
attempting to start the engine.
OFF
STOPPING
TRACTION DRIVE
• Release traction drive control lever to stop the forward
or reverse movement of the snow thrower.
AUGER
• Release the auger control lever to stop throwing
snow.
ENGINE
1. Move throttle control to “STOP” position.
2. Remove (do not turn) safety ignition key to prevent
unauthorized use.
NOTE: Never use choke to stop engine.
FULL
FIG. 15
TO CONTROL SNOW DISCHARGE (See Fig. 16)
WARNING: Snow throwers have exposed rotating parts, which can cause
severe injury from contact, or from material thrown from the discharge chute.
Keep the area of operation clear of all
persons, small children and pets at all
times including startup.
WARNING: If the discharge chute or auger become clogged, shut-off engine,
disconnect spark plug and wait for all
moving parts to stop. Use a stick, NOT
YOUR HANDS, to unclog the chute
and/or auger.
TO USE FUEL SHUT-OFF VALVE (See Fig. 13)
The fuel shut-off valve is located beneath the fuel tank on
the engine. Always operate the snow thrower with the fuel
shut-off valve in the OPEN position.
The DIRECTION in which snow is to be thrown is controlled
by the discharge chute control lever.
• To change the discharge chute position, press downward on discharge chute control lever and move lever
left or right until chute is in desired position. Be sure
lever springs back and locks into desired position.
The DISTANCE that snow is thrown is controlled by the
position of the chute deflector. Set the deflector low to
throw snow a short distance; set the deflector higher to
throw snow farther.
• Press downward on chute deflector control lever and
move lever forward to lower the deflector and decrease
the distance. Move lever back to raise the deflector
and increase the distance. Be sure lever springs back
and locks into desired position.
OFF
OPEN
FIG. 13
TO USE THROTTLE CONTROL (See Fig. 14)
The throttle control is located on the engine. Always operate
the snow thrower with the engine at full throttle. Full throttle
offers the best snow thrower performance.
FAST
DISCHARGE CHUTE
CONTROL LEVER
SLOW
CHUTE DEFLECTOR
REMOTE CONTROL LEVER
FIG. 14
13
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FIG. 16
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CONSUMER OPERATION
TO THROW SNOW (See Fig. 17)
The auger rotation is controlled by the auger control lever
located on the right side handle.
• Squeeze auger control lever to handle to engage the
auger and throw snow.
• Release the auger control lever to stop throwing
TRACTION DRIVE
CONTROL LEVER
AUGER CONTROL
LEVER
DRIVE SPEED
CONTROL LEVER
throwing process.
FIG. 18
POWER STEERING OPERATION (See Fig. 19)
Steering triggers are used to assist in steering your snow
thrower. The triggers are located on the underside of each
handle. When a trigger is squeezed, it disengages the drive
wheel on that side of snow thrower and allows it to turn in
that direction.
• To turn left – squeeze left side trigger.
• To turn right – squeeze right side trigger.
FIG. 17
snow.
TO MOVE FORWARD AND BACKWARD (See Fig. 18)
SELF-PROPELLING, forward and reverse movement of
the snow thrower, is controlled by the traction drive control
lever located on the left side handle.
• Squeeze traction drive control lever to handle to engage
the drive system.
• Release traction drive control lever to stop the forward
or reverse movement of the snow thrower.
SPEED and DIRECTION are controlled by the drive speed
control lever.
• Press downward on the speed control lever and move
lever to desired position BEFORE engaging the traction drive control lever. Be sure lever springs back and
locks into desired position.
LH TURN TRIGGER RH TURN TRIGGER
FIG. 19
CAUTION: Do not move speed control lever
when traction drive control lever is engaged.
Damage to the snow thrower can result.
•
Slower speeds are for heavier snow and faster speeds
are for light snow and transporting the snow thrower. It
is recommended that you use a slower speed until you
are familiar with the operation of the snow thrower.
NOTE: When both traction drive and auger control levers
are engaged, the traction drive control lever will lock the
auger control lever in the engaged position. This will allow
you to release your right hand from the handle and adjust
the discharge chute direction without interrupting the snow
TO ADJUST SKID PLATES (See Fig. 20)
NOTE: The wrench provided in your parts bag may be used
to adjust the skid plates.
Skid plates are located on each side of the auger housing
and adjust the clearance between the scraper bar and the
ground surface. Adjust skid plates evenly to proper height
for current surface conditions. For removal of snow in
normal conditions, such as a paved driveway or sidewalk,
place skid plates in the highest position (lowest scraper
clearance) to give a 1/8" clearance between the scraper
bar and the ground. Use a middle position if the surface
to be cleared is uneven.
NOTE: It is not recommended to operate the snow thrower
over gravel or rocky surfaces. Objects such as gravel, rocks
or other debris, can easily be picked up and thrown by the
impeller, which can cause serious personal injury, property
damage or damage to the snow thrower.
• If snow thrower must be operated over gravel surface,
use extra caution and be sure skid plates are adjusted
to lowest (highest scraper clearance) position.
14
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CONSUMER OPERATION
1. Shut off engine and wait for all moving parts to stop.
2. Adjust skid plates by loosening the rear 1/2" hex nut
only, then moving skid plate to desired position. Be sure
both plates are adjusted evenly. Tighten securely.
CHOKE CONTROL
THROTTLE
PRIMER
ENGINE OIL
FILL CAP /
DIPSTICK
SAFETY IGNITION KEY
HIGH POSITION
(LOW GROUND
CLEARANCE)
AUGER
HOUSING
SKID PLATE
1/2" HEX NUT
GASOLINE
FILLER CAP
LOW POSITION (HIGH GROUND CLEARANCE)
FIG. 20
FUEL SHUTOFF VALVE
RECOIL
STARTER
HANDLE
SCRAPER BAR
The scraper bar is not adjustable, but is reversible. After
considerable use it may become worn. When it has worn
almost to the edge of the housing, it can be reversed,
providing additional service before requiring replacement.
Replace a damaged or worn scraper bar.
NOTE: ALL ITEMS ARE SHOWN IN THEIR TYPICAL LOCATION.
ACTUAL LOCATION MAY VARY WITH ENGINE ON YOUR UNIT.
FIG. 21
TO START ENGINE
• Be sure fuel shut-off valve is in the OPEN position.
Your snow thrower engine is equipped with both a 120 Volt
A.C. electric starter and a recoil starter. The electric starter
is equipped with a three-wire power cord and plug and is
designed to operate on 120 Volt A.C. household current.
• Be sure your house is a 120 Volt A.C. three-wire
grounded system. If you are uncertain, consult a
licensed electrician.
BEFORE STARTING THE ENGINE
CHECK ENGINE OIL LEVEL (See Fig. 21)
The engine on your snow thrower has been shipped, from
the factory, already filled with oil.
1. Check engine oil with snow thrower on level ground.
2. Remove oil fill cap/dipstick and wipe clean, reinsert
the dipstick and screw tight, wait for a few seconds,
remove and read oil level. If necessary, add oil until
“FULL” mark on dipstick is reached. Do not overfill.
• To change engine oil, see “TO CHANGE ENGINE OIL”
in the Maintenance section of this manual.
WARNING: Do not use the electric
starter if your house is not a 120 Volt
A.C. three-wire grounded system. Serious personal injury or damage to your
snow thrower could result.
ADD GASOLINE (See Fig. 21)
• Fill fuel tank to bottom of tank filler neck. Do not overfill. Use fresh, clean, regular unleaded gasoline with
a minimum of 87 octane. Do not mix oil with gasoline.
Purchase fuel in quantities that can be used within 30
days to assure fuel freshness.
COLD START - ELECTRIC STARTER
1. Insert safety ignition key into the ignition slot until it
clicks. DO NOT turn the key. Keep the extra safety
ignition key in a safe place.
2. Place throttle control in FAST position.
3. Rotate choke control to FULL position.
4. Connect the power cord to the engine.
5. Plug the other end of the power cord into a three-hole
grounded 120 Volt A.C. receptacle.
NOTE: Do not use primer when starting engine with the
electric starter.
6. Push starter button until engine starts.
IMPORTANT: Do not crank engine more than five continuous seconds between each time you try to start. Wait
5 to 10 seconds between each attempt.
WARNING: Wipe off any spilled oil or
fuel. Do not store, spill or use gasoline
near an open flame.
CAUTION: Alcohol blended fuels (called
gasohol or using ethanol or methanol) can attract moisture which leads to separation and
formation of acids during storage. Acidic gas
can damage the fuel system of an engine while
in storage. To avoid engine problems, the fuel
system should be emptied before storage of
30 days or longer. Drain the gas tank, start
the engine and let it run until the fuel lines
and carburetor are empty. Use fresh fuel next
season. See Storage Instructions for additional
information. Never use engine or carburetor
cleaner products in the fuel tank or permanent
damage may occur.
STARTER BUTTON
POWER CORD PLUG
15
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CONSUMER OPERATION
7. When the engine starts, release the starter button and
slowly move the choke control to the OFF position.
8. Disconnect the power cord from the receptacle first,
then from the engine.
Allow the engine to warm up for a few minutes. Engine will
not develop full power until it has reached normal operating
temperature.
WARM START - ELECTRIC STARTER
Follow the steps above, keeping the choke control in the
OFF position.
COLD START - RECOIL STARTER
1. Insert safety ignition key into the ignition slot until it
clicks. DO NOT turn the key. Keep the extra safety
ignition key in a safe place.
2. Place throttle control in FAST position.
3. Rotate choke control to FULL position.
4. Push the primer four (4) times if the temperature is
below 15°F, or two (2) times if temperature is between
15° and 50°F. If temperature is above 50°F, priming is
not necessary.
NOTE: Over priming may cause flooding, preventing the
engine from starting. If you do flood the engine, wait a few
minutes before attempting to start and DO NOT push the
primer.
5. Pull recoil starter handle quickly. Do not allow starter
rope to snap back.
6. When the engine starts, release the recoil starter
handle and slowly move the choke control to the OFF
position.
Allow the engine to warm up for a few minutes. Engine will
not develop full power until it has reached normal operating
temperature.
WARM START - RECOIL STARTER
Follow the steps above, keeping the choke in the OFF
position. DO NOT push the primer.
RECOIL STARTER
1. While the engine is running, pull the recoil starter handle
with rapid, full arm strokes three or four times.
NOTE: The unusual sound made while pulling the recoil
starter handle will not harm the engine or starter.
IF RECOIL STARTER HAS FROZEN
If the recoil starter has frozen and will not turn the engine,
proceed as follows:
1. Grasp the recoil starter handle and slowly pull as much
rope out of the starter as possible.
2. Release the recoil starter handle and let it snap back
against the starter.
If the engine still fails to start, repeat the above steps or
use the electric starter.
SNOW THROWING TIPS
•
•
•
•
•
•
•
•
BEFORE STOPPING
Run the engine for a few minutes to help dry off any moisture on the engine.
To avoid possible freeze-up of the starter, proceed as follows:
ELECTRIC STARTER
1. Connect the power cord to the engine.
2. Plug the other end of the power cord into a three-hole
grounded 120 Volt A.C. receptacle.
3. While the engine is running, push starter button and
spin the starter for several seconds.
NOTE: The unusual sound made while starter is spinning
will not harm the engine or starter.
4. Disconnect the power cord from the receptacle first,
then from the engine.
•
•
•
Always operate the snow thrower with the engine at
full throttle. Full throttle offers the best snow thrower
performance.
Go slower in deep, freezing or heavy wet snow. Use the
drive speed control, NOT the throttle, to adjust ground
speed.
It is easier and more efficient to remove snow immediately after it falls.
The best time to remove snow is the early morning. At
this time the snow is usually dry and has not been exposed to the direct sun and warming temperatures.
Slightly overlap each successive path to ensure all
snow will be removed.
Throw snow downwind whenever possible.
Adjust the skid plates to proper height for current snow
conditions. See “TO ADJUST SKID PLATES” in this
section of this manual.
For extremely heavy snow, reduce the width of snow
removal by overlapping previous path and moving
slowly.
Keep engine clean and clear of snow during use. This
will help air flow and extend engine life.
After snow-throwing job is completed, allow engine
to run for a few minutes to melt snow and ice off the
engine.
Clean the entire snow thrower thoroughly after each
use and wipe dry so it is ready for next use.
WARNING: Do not operate snow
thrower if weather conditions impair visibility. Throwing snow during a heavy,
windy snowstorm can blind you and be
hazardous to the safe operation of the
snow thrower.
16
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CONSUMER MAINTENANCE
GENERAL RECOMMENDATIONS
LUBRICATION CHART
The warranty on this snow thrower does not cover items that
have been subjected to operator abuse or negligence. To
receive full value from the warranty, operator must maintain
snow thrower as instructed in this manual. Some adjustments will need to be made periodically to properly maintain
your snow thrower.
All adjustments in the Service and Adjustments section
of this manual should be checked at least once each
season.
• Once a year, you should replace the spark plug and
check belts for wear. A new spark plug will help your
engine run better and last longer.
• Follow the maintenance schedule in this manual.
NOTE: Use only Original Equipment Manufacturer (OEM)
parts to service this unit. Failure to do so can cause the unit
to malfunction and pose a risk of injury to the operator.
 SAE 5W-30 Motor Oil
 See “ENGINE” in
Maintenance section
 General
Purpose Grease
 Engine oil
BEFORE EACH USE
1. Check engine oil level.
2. Check for loose fasteners.
3. Check controls to be sure they are functioning properly.
 Pivot
LUBRICATION
 Auger
Keep your snow thrower well lubricated (See “LUBRICATION CHART”).
points
grease fittings
SNOW THROWER
Always observe the safety rules when performing any
maintenance.
•
Keep tires free of gasoline and oil, which can harm
rubber.
NOTE: To seal tire punctures and prevent flat tires due to
slow leaks, tire sealant may be purchased from your local
parts dealer. Tire sealant also prevents tire dry rot and
corrosion.
TIRES
• Maintain proper air pressure in both tires (See “PRODUCT SPECIFICATIONS” section in this manual).
17
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CONSUMER MAINTENANCE
TO CHANGE ENGINE OIL
Determine temperature range anticipated before next oil
change. All oil must meet API service classification SFSJ.
• Be sure snow thrower is on level surface.
• Oil will drain more freely when warm.
• Catch oil in a suitable container.
NOTE: The left side wheel may be removed from snow
thrower for easier access to the oil drain plug and placement of a suitable container. The unit tilted, resting on the
frame with the left wheel removed, will help drain any oil
trapped inside the engine. (See “TO REMOVE WHEELS”
in the Service and Adjustments section of this manual).
1. Disconnect spark plug wire from spark plug and place
wire where it cannot come in contact with spark plug.
2. Clean area around drain plug.
3. Remove drain plug and drain oil in a suitable container.
4. Install drain plug and tighten securely.
5. Wipe off any spilled oil from snow thrower and engine.
6. Install left wheel (if removed for draining oil). Be sure to
install klick pin into proper hole in wheel axle (See “TO
REMOVE WHEELS” in the Service and Adjustments
section of this manual).
7. Remove oil fill cap/dipstick. Be careful not to allow dirt
to enter the engine.
8. Refill engine with oil through oil dipstick tube. Pour
slowly. Do not overfill. For approximate capacity see
“PRODUCT SPECIFICATIONS” section of this manual.
9. Use gauge on oil fill cap/dipstick for checking level. Be
sure dipstick cap is tightened securely for accurate
reading. Keep oil at “FULL” line on dipstick.
10. Wipe off any spilled oil.
V-BELTS
Check V-belts for deterioration and wear after every 50
hours of operation and replace if necessary. The belts
are not adjustable. Replace belts if they begin to slip from
wear. (See “TO REMOVE BELT COVER” in the Service
and Adjustments section of this manual).
The V-belts on your snow thrower are of special construction
and should be replaced by original equipment manufacturer
(OEM) belts available from your nearest dealer. Using other
than OEM belts can cause personal injury or damage to
the snow thrower.
AUGER GEAR CASE
• The gear case was filled with lubricant to the proper
level at the factory. The only time the lubricant needs
attention is if service has been performed on the gear
case.
• If lubricant is required, use only Ronex ED #1
grease.
TRACTION DRIVE SYSTEM
DO NOT lubricate the drive components inside the snow
thrower. The sprockets, hex shafts, drive disc and friction
wheel require no lubrication. The bearings and bushings
are lifetime lubricated and require no maintenance.
CAUTION: Any lubricating of the above components can cause contamination of the friction
wheel and damage to the drive system of your
snow thrower.
ENGINE
LUBRICATION
Use only high quality detergent oil rated with API service
classification SF-SJ. Select the oil's SAE viscosity grade
according to your expected operating temperature.
NOTE: Although multi-viscosity oils (5W30, 10W30 etc.)
improve starting in cold weather, these multi-viscosity oils
will result in increased oil consumption when used above
32°F. Check your engine oil level more frequently to avoid
possible engine damage from running low on oil.
Change the oil after every 50 hours of operation or at least
once a year if the snow thrower is not used for 50 hours
in one year.
MUFFLER
Inspect and replace corroded muffler as it could create a
fire hazard and/or damage.
SPARK PLUG
Replace spark plug at the beginning of each season or after
every 100 hours of operation, whichever occurs first. Spark
plug type and gap setting are shown in the “PRODUCT
SPECIFICATIONS” section of this manual.
CLEANING
IMPORTANT: For best performance, keep snow thrower
housing free of any dirt or trash. Clean the outside of your
snow thrower after each use.
Check the crankcase oil level before starting the engine and
after each five (5) hours of continuous use. Tighten oil fill
cap / dipstick securely each time you check the oil level.
•
•
18
WARNING: Disconnect spark plug wire
from spark plug and place wire where
it cannot come in contact with spark
plug.
Keep finished surfaces/wheels free of gasoline, oil,
etc.
We do not recommend using a garden hose to clean
your snow thrower unless the electrical system, muffler
and carburetor are covered to keep water out. Water
in engine can result in shortened engine life.
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CONSUMER SERVICE AND ADJUSTMENTS
WARNING: To avoid serious injury,
before performing any service or adjustments:
1. Be sure throttle is in STOP position.
2. Remove safety ignition key.
3. Make sure the augers and all moving
parts have completely stopped.
4. Disconnect spark plug wire from
spark plug and place wire where it
cannot come in contact with plug.
1. Disengage all controls and move throttle control to
STOP position. Wait for all moving parts to stop.
2. Disconnect spark plug wire from spark plug and place
it wear it cannot come in contact with spark plug.
3. Align holes in impeller hub with holes in impeller shaft
and install two (2) new 1/4-20 x 1-5/8" capscrew/shear
bolts. Install 1/4-20 locknuts and tighten securely.
CAUTION: Do not substitute. Use only original
equipment capscrew/shear bolts as supplied
with your snow thrower.
4. Connect spark plug wire to spark plug.
SNOW THROWER
TO ADJUST SNOW THROWER HEIGHT
See “TO ADJUST SKID PLATES” and “SCRAPER BAR”
in the Operation section of this manual.
1/4-20
LOCKNUT
1/4-20 x 1-5/8
CAPSCREW /
SHEAR BOLT
1/4-20 x 2
SHOULDER
/SHEAR BOLT
IMPELLER HUB
CHUTE DEFLECTOR
The chute deflector, attached to the top of the discharge
chute, is provided to direct discharging snow away from
the operator. If the deflector becomes damaged, it should
be replaced.
IMPELLER
SHAFT
WARNING: To avoid serious injury,
never operate your snow thrower with
the deflector removed or damaged.
•
To change direction and/or distance snow is discharged,
see “TO CONTROL SNOW DISCHARGE” in the Operation section of this manual.
SHEAR BOLTS (See Fig. 22)
AUGER SHEAR BOLTS
Both right and left-hand augers are secured to the auger
shaft with a shoulder/shear bolt and hex nut. Should a foreign object or ice become lodged in the augers, the shear
bolts are designed to break, preventing damage to any
other components. If one or both augers do not turn when
auger control lever is engaged, check to see if one or both
of the bolts have sheared. To replace the shear bolts:
1. Disengage all controls and move throttle control to
STOP position. Wait for all moving parts to stop.
2. Disconnect spark plug wire from spark plug and place
it wear it cannot come in contact with spark plug.
3. Align hole in auger hub with hole in auger shaft and
install a new 1/4-20 x 2" shoulder/shear bolt. Install
1/4-20 lock nut and tighten securely.
AUGER
HUB
1/4-20
LOCKNUT
AUGER
HUB
AUGER
SHAFT
FIG. 22
TO REMOVE BELT COVER (See Fig. 23)
1. Remove the two (2) screws securing belt cover to
frame.
2. Remove belt cover.
• Replace belt cover by installing cover and screws and
tighten securely.
TO REPLACE BELTS (See Fig. 24)
BELT
COVER
CAUTION: Do not substitute. Use only original
equipment shear bolts as supplied with your
snow thrower.
4. Connect spark plug wire to spark plug.
IMPELLER SHEAR BOLTS
The impeller is secured to the impeller shaft with two (2)
capscrew/shear bolts and hex nuts. Should a foreign object
or ice become lodged in the impeller, the capscrews are
designed to break, preventing damage to any other components. If impeller does not turn when auger control lever
is engaged, check to see if the capscrews have sheared.
To replace the capscrew/shear bolts:
19
FRAME
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SCREWS
FIG. 23
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CONSUMER SERVICE AND ADJUSTMENTS
HINT: Insert a 3/8" drive ratchet (in the “ON” position) into
the square hole in idler arm and rotate ratchet clockwise
to relieve tension.
8. With tension relieved on idler, install new traction drive
belt around pulleys and inside belt keepers.
9. Place auger belt around and inside the groove of auger
pulley only.
10. While your assistant slowly raises handles to rejoin
the auger housing and frame assembly, pull up on the
auger belt and squeeze sides together above pulley
so belt is fully seated in groove of pulley.
11. Bring snow thrower completely together and check
carefully for proper routing of belts. If auger belt has
become dislodged from the pulley (by catching the idler
arm bracket while bringing snow thrower together),
separate the snow thrower and repeat step 10. Belt
must be fully seated in pulley groove when bringing
the snow thrower together.
12. Install the two (2) hex bolts and lock washers and
tighten securely.
13. INSTALL ENGINE PULLEY - Place belt in pulley groove
and slide pulley on crankshaft. Install flat washer, lockwasher and bolt and tighten securely (30-35 ft. lbs.
torque). Make sure belt is inside belt keeper.
14. INSTALL BELT COVER and two (2) screws. Tighten
securely.
15. INSTALL DISCHARGE CHUTE – See “INSTALL DISCHARGE CHUTE / CHUTE ROTATER HEAD” in the
Assembly section of this manual.
The auger and traction drive belts are not adjustable. If the
belts are damaged or begin to slip from wear, they should
be replaced. It is recommended that the belt(s) be replaced
by a qualified service center.
NOTE: It is recommended that both the auger and traction
drive belt be replaced at the same time.
The V-belts on your snow thrower are of special construction
and should be replaced by original equipment manufacturer
(OEM) belts available from your nearest dealer. Using other
than OEM belts can cause personal injury or damage to
the snow thrower.
WARNING: Belt replacement requires
separation of the snow thrower. While
separating the auger housing from the
frame assembly, it is important that an
assistant stand in the operating position
and hold the snow thrower handles. Serious personal injury and/or damage to
the unit could occur if the snow thrower
should fall during the belt changing
process.
FRAME ASSEMBLY
AUGER
HOUSING
TO REMOVE WHEELS (See Fig. 25)
HANDLES
BELT KEEPER
1. REMOVE GASOLINE FROM FUEL TANK - Drain gasoline from fuel tank into a suitable container, outdoors,
away from fire or flame. Wipe up any spilled gasoline.
2. REMOVE DISCHARGE CHUTE - Loosen locknut
securing chute rotator head to mounting bracket only
enough to allow chute rotator head to be raised and
discharge chute to be removed from snow thrower.
3. REMOVE BELT COVER - See “TO REMOVE BELT
COVER” in this section of this manual.
4. REMOVE ENGINE PULLEY - Remove bolt, lockwasher
and flat washer securing pulley to engine crankshaft.
Remove outside (auger) pulley only from crankshaft.
5. SEPARATE SNOW THROWER - With your assistant
standing in the operating position holding the handles,
remove the two (2) bolts and lock washers holding
auger housing and frame together.
TRACTION DRIVE BELT
ENGINE PULLEY
FLAT WASHER
LOCKWASHER
BOLT
AUGER
BELT
IDLER ARM
SQUARE
HOLE
CLUTCHING
IDLER ARM
BRACKET
AUGER PULLEY
BOLT
WARNING: As the last bolt is removed,
have your assistant carefully lower the
handles down to the ground.
6. REMOVE AUGER BELT from around pulley.
7. RELIEVE TENSION ON TRACTION DRIVE BELT
IDLER and remove traction drive belt from around
pulleys.
FRAME
AUGER HOUSING
20
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FIG. 24
LOCK
WASHER
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ENGINE
• Remove the klik pin and remove wheel from axle.
IMPORTANT: When installing wheel, be sure to use the
axle hole closest to the end of the shaft - do not use the
hole in the wheel hub (if equipped). Inner hole in axle and
hole in wheel are used for snow throwers that do not have
power steering. See page 23
NOTE: To seal punctures or prevent flat tires due to slow
leaks, tire sealant may be purchased from your local
parts dealer. Tire sealant also prevents tire dry rot and
corrosion.
CARBURETOR
Your carburetor is not adjustable. Engine performance
should not be affected at altitudes up to 7,000 feet (2,134
meters). If your engine does not operate properly due to
suspected carburetor problems, take your snow thrower to
a service centre/department.
ENGINE SPEED
Never tamper with the engine governor, which is factory set
for proper engine speed. Overspeeding the engine above
the factory high speed setting can be dangerous and will
void the warranty. If you think the engine-governed high
speed needs adjusting, contact a service centre/department,
which has proper equipment and experience to make any
necessary adjustments.
OUTER HOLE
KLIK PIN (INSTALL
IN OUTER HOLE OF
AXLE ONLY)
AXLE
WHEEL
WHEEL HUB
FIG. 25
CONSUMER STORAGE
1. Drain the fuel tank.
2. Start the engine and let it run until the fuel lines and
carburetor are empty.
• Never use engine or carburetor cleaner products in the
fuel tank or permanent damage may occur.
• Use fresh fuel next season.
NOTE: Fuel stabilizer is an acceptable alternative in minimizing the formation of fuel gum deposits during storage.
Add stabilizer to gasoline in fuel tank or storage container.
Always follow the mix ratio found on stabilizer container.
Run engine at least 10 minutes after adding stabilizer to
allow the stabilizer to reach the carburetor. Do not drain the
gas tank and carburetor if using fuel stabilizer.
Immediately prepare your snow thrower for storage at the
end of the season or if the unit will not be used for 30 days
or more.
WARNING: Never store the snow
thrower with gasoline in the tank inside
a building where fumes may reach an
open flame, spark or pilot light as on a
furnace, water heater, clothes dryer or
gas appliance. Allow the engine to cool
before storing in any enclosure.
SNOW THROWER
When snow thrower is to be stored for a period of time,
clean it thoroughly, remove all dirt, grease, leaves, etc.
Store in a clean, dry area.
1. Clean entire snow thrower (See “CLEANING” in the
Maintenance section of this manual).
2. Inspect and replace belts, if necessary (See “TO REPLACE BELTS” in the Service and Adjustments section
of this manual).
3. Lubricate as shown in the Maintenance section of this
manual.
4. Be sure that all nuts, bolts, screws, and pins are securely
fastened. Inspect moving parts for damage, breakage
and wear. Replace if necessary.
5. Touch up all rusted or chipped paint surfaces; sand
lightly before painting.
ENGINE OIL
Drain oil (with engine warm) and replace with clean engine oil. (See “ENGINE” in the Maintenance section of
this manual).
CYLINDER
1. Remove spark plug.
2. Pour one ounce (29 ml) of oil through spark plug hole
into cylinder.
3. Pull recoil starter handle slowly a few times to distribute
oil.
4. Replace with new spark plug.
OTHER
•
•
Do not store gasoline from one season to another.
Replace your gasoline can if your can starts to rust.
Rust and/or dirt in your gasoline will cause problems.
• If possible, store your snow thrower indoors and cover
it to protect it from dust and dirt.
• Cover your snow thrower with a suitable protective cover
that does not retain moisture. Do not use plastic. Plastic
cannot breathe, which allows condensation to form and
will cause your snow thrower to rust.
IMPORTANT: Never cover snow thrower while engine/
exhaust area is still warm.
ENGINE
FUEL SYSTEM
IMPORTANT: It is important to prevent gum deposits from
forming in essential fuel system parts such as carburetor,
fuel hose, or tank during storage. Also, alcohol blended fuels
(called gasohol or using ethanol or methanol) can attract
moisture which leads to separation and formation of acids
during storage. Acidic gas can damage the fuel system of
an engine while in storage.
21
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SECTION 5: TROUBLESHOOTING
See appropriate section in manual unless directed to a qualified service center.
PROBLEM
Does not start
CAUSE
CORRECTION
1. Fuel shut-off valve (if so
equipped) in OFF position.
2. Safety ignition key
is not inserted.
3. Out of fuel.
4. Throttle in STOP position.
5. Choke in OFF position.
6. Primer not depressed.
7. Engine is flooded.
8. Spark plug wire is
disconnected.
9. Bad spark plug.
10. Stale fuel.
11. Water in fuel.
1. Turn fuel shut-off valve to OPEN position.
1. Spark plug wire loose.
2. Throwing too much snow.
3. Fuel tank cap is clogged
with ice or snow.
4. Dirty or clogged muffler.
1. Reconnect spark plug wire.
2. Reduce speed and width of swath.
3. Remove ice and snow on and around fuel tank cap.
Engine idles or
runs roughly
1.
2.
3.
4.
5.
1.
2.
3.
4.
5.
Excessive
vibration
1. Loose parts or damaged
augers or impeller.
1. Tighten all fasteners. Replace damaged parts.
If vibration remains, contact a qualified service center.
Recoil starter
is hard to pull
1. Frozen recoil starter.
1. See “If Recoil Starter Has Frozen”
in the Operation section of this manual.
Loss of traction
drive / slowing
of drive speed
1. Drive belt is worn.
2. Drive belt is off of pulley.
3. Friction drive wheel is worn.
1. Check / replace drive belt.
2. Check / reinstall drive belt.
3. Contact a qualified service center.
Loss of snow
discharge or
slowing of
snow discharge
1.
2.
3.
4.
1.
2.
3.
4.
Loss of power
Choke is in FULL position.
Blockage in fuel line.
Stale fuel.
Water in fuel.
Carburetor is in need of
adjustment or overhaul.
Auger belt is off of pulley.
Auger belt is worn.
Clogged discharge chute.
Augers / impeller jammed.
2. Insert safety ignition key.
3.
4.
5.
6.
7.
8.
Fill fuel tank.
Move throttle to FAST position.
Move to FULL position.
Prime as instructed in the Operation section of this manual.
Wait a few minutes before restarting, DO NOT prime.
Connect wire to spark plug.
9. Replace spark plug.
10. Drain fuel tank and carburetor, refill tank with fresh gasoline.
11. Drain fuel tank and carburetor, refill tank with fresh gasoline.
4. Clean or replace muffler.
Move choke to OFF position.
Clean fuel line.
Drain tank and refill with fresh, clean fuel.
Drain fuel tank and carburetor, refill tank with fresh gasoline.
Contact a qualified service center.
Check / reinstall auger belt.
Check / replace auger belt.
Clean snow chute.
Remove debris or foreign object from augers / impeller.
22
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SECTION 6: ADJUSTMENTS
6.01 Belt Guide
6.11 Klik Pin Position for wheels on Power Steering Drive Snowthrower
6.12 Klik Pin Positions for wheels on Standard Drive Snowthrower
6.21 Adjustment for Drive System Control Rod
6.22 Adjustment for worn Traction Disc Ring
6.23 Adjustment for Auger Control Rod
6.24 Adjustment for Speed Control Rod
6.31 Procedure to add shim washer when Power Steering Slips
6.12 Klik Pin Positions for wheels on Standard Drive Snowthrower
6.01 Belt Guide * Remove spark plug wire from plug.
* Engage auger lever and adjust clearance between belt and belt guide to 1/16" to 1/8".
BELT GUIDE
1/16" to 1/8"
CLEARANCE
* To Push the snowthrower easily, the Klik Pin
should be through the outer axle hole, with the
wheel hub to the inside.
AUGER BELT
TRACTION BELT IDLER SPRING
6.11 Klik Pin Position for wheels on Power
Steering Drive Snowthrower
* This is the only position for the Klik Pin where the
Power Steering will work. The hole in the wheel
hub is NEVER used with Power Steering.
* For the wheel to drive, the Klik Pin should be
positioned through both the wheel hub and inner
axle hole.
23
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6.21 Adjustment for Drive System Control
Rod
* The Drive System Control Rod is on the handle at the left side of the operator. Adjustment
is required if engagement is sluggish or if there
is creep.
* Loosen the jam nut, remove hairpin, and disconnect control rod from control lever. Turn the
rod counter-clock-wise to lengthen, clock-wise
to shorten. Reconnect the control rod lever.
Slack should be removed and the rod should
be snug. If not, readjust. Then tighten jam nut.
* If this adjustment is not successful, use antiseize to lubricate the Hex Short Shaft (page 39
key 28) on the Drive Plate Assembly (key 26).
See Section 7.45 for disassembly information .
* If the rubber ring on the traction disc is
missing chunks, has deep cracks, or is worn so
the rubber ring clamp plates are 1/16" or less
from touching the drive plate in engaged
position, the rubber ring must be replaced.
* If the rubber ring passes inspection, in the
disengaged position adjust the clearance between the Rubber Wheel Ring and the
Drive Plate Assembly to .125"-.140".
* If there is a complaint that the drive does
not disengage properly, check to see that this
dimension is at least .125".
PROTECTIVE
SLEEVE
JAM NUT
CONTROL
ROD
* To adjust clearance, use 9/16" nut connecting
the bellcrank to a clutch rod. It is at bottom end
of the Drive Control Rod (p 35 key 36). When a
new rubber ring is installed, this nut is adjusted
so that two threads are showing past the nut.
When the ring is worn, it can be adjusted with
up to 1/2" of rod past the nut. This increases
the force of the drive plate on the rubber ring to
stop slipping. The nut should never be turned
so that more than 1/2" extends beyond the nut.
( See Section 7.43 )
NOTE: If the Plates supporting the Rubber
Wheel Ring come in contact with the Drive
Plate Assembly (p 39 Key 26) extreme wear
may require that these parts be replaced.
FEELER GAUGE
6.22 Adjustment for worn traction disc ring
* Remove spark plug wire when making adjustments.
* Position snowthrower with auger down and
remove Bottom Pan to inspect disc.
(see Section 7.42)
24
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6.23 Adjustment for Auger Control Rod
* The Auger Control Rod is on the handle at the
right side of the operator. Adjustment is required
if engagement is sluggish or if the auger does
not stop within 5 seconds of the release of the
auger engagement lever.
6.24 Adjustment for Speed Control Rod
* The Speed Control Rod is attached to the speed
selector at the right side of the operator console.
Adjustment is required when there are less than
two speed positions for reverse.
* Speed Control in last notch ( 2nd reverse position)
2nd Reverse
Position
SPEED CONTROL
ASSEMBLY
PROTECTIVE
SLEEVE
ADJUSTMENT
NUT and BOLT
CONTROL ROD
JAM NUT
* Raise protective Spring Sleve to expose jam nut.
* Loosen the jam nut.
* Remove hairpin and disconnect control rod from
control lever.
* Turn the rod counter-clockwise to lengthen,
clockwise to shorten.
* Reconnect the control rod to the control lever.
The linkage should be slightly loose. If not
readjust, then tighten jam nut.
* Test auger disengagement. Stopping time must
be 5 seconds or less.
* If stopping is more than 5 seconds, readjust rod
for more slack. Remove belt cover and check to
see if idler arm will move freely by engaging auger
control lever. Retest stopping time.
BELLCRANK SHIFTER
RETAINER
SPRING
* Loosen the nut and bolt at the middle of the rod.
* Hold Bellcrank Shifter (p 35 key 33) in maximum
counterclockwise position with one hand, and
tighten the nut and bolt with other hand.
CONTROL
ROD
LEVER
25
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6.31 Adjustment for Power Steering Slips
* Operate to determine which side is slipping.
* Reinstall Thrust Washer (p 37 key 27), Axle Lobe
(26), Wheel Lobe (23), and Retaining Ring (key 33).
* Pull axle shaft outward to maximize tolerances.
FEELER GAUGE
RETAINER RING
* Place Snowthrower with Auger end down.
* Measure the gap between the Wheel Lobe (part
179136) and the Retaining Ring (key 33).
* If the gap is .030" or more, install an additional
174697 Hardened Thrust Washer next to the
Axle Bearing to eliminate slip.
* Reinstall all parts with needed thrust washers.
* Use antiseize compound on splined parts
during reassembly. Refer to page 33 for
exploded parts view.
* Remove wheel and power steering parts on side
with slipping power steering, Section 7.22.
26
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SECTION 7: Systems and Repair Procedures
7.10 Handles and Console Panel – Exploded Parts View
7.11 Remove Console Panel to service controls and handles
7.12 Auger Engagement Interlock
7.13 Replace Headlight –
7.14 Control Panel, Discharge Chute, Controls – Exploded Parts View
7.16 Replace Chute Control Cable
7.17 Replace Chute Deflector Control
7.18 Replace Speed Control Linkage or Speed Control Assembly
7.19 Remove and Replace Power Steering Control Cable
7.21 Power Steering and Wheel - Exploded Parts View
7.22 Repair Power Steering Clutch
7.23 If Power Steering Slips 7.24 Power Steering uses Klik Pin in one position only
7.25 Standard Drive uses Klik Pin in Drive and Push positions
7.31 Idlers, Belts, Pulleys
7.32 Replace Auger Belt
7.33 Belt Guide Dimensions
7.34 Replace Traction Drive Belts
7.35 Replace Traction Drive Pulley
7.36 Idler Spring Locations
7.37 Remove And Replace Engine
7.41 Exploded view of Friction Disc, Friction Plate, and Gears
7.42 Procedure to Remove Bottom Pan
7.43 Replace Friction Disc or Friction Disc Shaft
7.44 Replace Rubber Wheel Ring or Hex Shaft
7.45 Replace Drive Plate Assembly Lubrication INSTRUCTION )
7.46 Disassemble Drive Plate / Drive Pulley Assembly
7.47 Remove and Replace Wheel Drive Axle / Gear
7.51 Remove Chute Assembly for servicing other items
7.61 Remove Auger Assembly for servicing
7.62 AUGER Exploded Parts View
7.63 Replace Auger Shear Bolts
7.64 Replace Impeller Shear Bolts
7.65 Disassembly of Auger Pulley, Auger, Impeller, and Auger Housing
7.66 Re assembly of Auger Assembly
7.67 Replace Scraper Bar – reversible
7.68 Gearbox Repair Information
27
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SNOW THROWER - SECTION 7.10
HANDLES
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Section 7.11 Remove Console Panel to service
controls and handles.
Section 7.12 Auger Engagment Interlock
- When the auger and the traction engagement
levers are engaged at the same time, you can
remove your hand from the auger lever and the
auger will remain engaged as long as the traction
lever is also held down. This is to allow the
operator to adjust the discharge chute direction
without stopping. If problems occur with interlock,
check the spring and look for wear on the bracket.
You will see this on the right with the console panel
removed.
1) Remove the four 5/16" screws that hold panel to
handle assembly. On re-assembly do not over
tighten.
2) Remove all of the knobs and the Headlight (
See Section 7.13 below).
3) Carefully separate lock tab at each side and
remove control panel from assembly.
4.) Reverse to reassemble. Check picture for
position of tabs and stops on back side of
Console Panel.
INTERLOCK
SPRING
AUGER
ENGAGEMENT
LEVER
TRACTION
ENGAGEMENT
LEVER
CHECK
WEAR
HERE
Section 7.13 Replace Headlight
* Use two fingers to push up on Headlight Bezel to
release bottom tabs and remove Headlight.
* To remove harness connector, pull tabs on both
sides outward while pulling connector from
Headlight.
NOTE: Light is ‘on’ when engine is running. There
is not a switch. See engine manufacturers
manual for information on charging system.
SCREWS
TABS
STOPS
CONSOLE
BACKSIDE VIEW
LOCK TAB INTO HOLE
29
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SNOW THROWER SECTION 7.14
CONTROL PANEL / DISCHARGE CHUTE
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Section 7.16: Replace Chute Rotator Cable
Section 7.17: Replace Chute Deflector Control
1) Remove control panel (see section 7.11
above, for Control Panel removal instructions)
1) Remove control panel (see section 7.11).
SPRING
CHUTE ROTATOR
CONTROL LEVER
SCREWS
NUT AND
WASHER
DEFLECTOR
CABLE
2) Remove both 5/16" screws holding rotator
control to handle assembly.
2) Remove the nut and washer that secure the
cable eyelet to the deflector.
3) Remove the nut, washer and bracket that
secure cable to the chute.
SPRING
CABLE ASSEMBLY
ROTATOR HEAD
9/16" NUT
DEFLECTOR
CONTROL
LEVER
CABLE ASSEMBLY
ROTATOR HEAD
SCREWS
DEFLECTOR
CABLE
ASSEMBLY
3) Remove spring from deflector, if applicable.
4) Remove 9/16" nut holding control rotator
head to tubular support, and remove cable
assembly from the chute. The chute will not
be retained at the top, DO NOT drop chute.
5) Cut all cable ties noting locations, and
paying attention to the routing of cable
particularly at the lower handle.
6) Reverse process to install new cable. Install
new plastic ties to hold cables.
4) Remove both 5/16" screws that secure cable
assembly to the handle assembly.
5) Cut the cable ties that secure the cable to
the snowthrower, paying attention to the routing
of the cable and the location of ties.
6) Reverse process to install the cable and new
plastic ties.
31
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Section 7.18: Replace Speed Control Linkage or
Speed Control Assembly
Section 7.19: Remove and Replace Power
Steering Control Cable
1) Check for proper linkage adjustment in
Section 6.24 before replacing part.
2) Remove control panel (see section 7.11 )
1)
2)
3)
4)
Remove fuel from fuel tank
Position blower auger end down.
Remove klik pin that secures wheel,
Remove wheel POWER STEERING COVER
5/16" SCREWS
RETAINER
SPRINGS
NUT &
WASHER
5) Remove hardware that secures the power
steering cover.
6) Cut wire ties that secure power steering
cable to handle, noting location of ties.
3) Remove retainer spring from both ends of
linkage.
BELLCRANK
PIN
7) Remove spring and pin holding bellcrank.
8) Unhook cable from bellcrank. Remove
5/16" screw that secures trigger to handle.
Remove cable.
5/6" HEX HEAD
SCREW
SCREWS
TURN TRIGGER
SPEED CONTROL
ASSEMBLY
CABLE
9) Remove 5/16" screw that secures trigger to
handle.
10)Reverse process to install cable.
4) Remove the two 5/16" hex head screws
holding control to handle assembly.
5) Reverse process to install a new linkage
and perform adjustment in Section 6.24.
32
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SNOW THROWER - SECTION 7.21
POWER STEERING AND WHEELS
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7.22 Repair Power Steering Clutch
When reassembled, the splined parts must be
lubricated with metallic anti-seize compound.
7.24 Power Steering uses Klik Pin in one
position only
CABLE
SPRING
7.25 Standard Drive uses Klik Pin in Drive and
Push positions
BELLCRANK
LINK
PIN
RETAINER
SPRING
SPRING
1) To freewheel, for models without power
steering, remove klik pin from axle.
7.23 If Power Steering Slips -
2) Push wheel hub in towards the body of the
blower
Go to 6.31for procedure to add shim washer if
power steering slips on one side.
34
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SNOW THROWER - SECTION 7.31
CHASSIS / ENGINE / PULLEYS
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7.32 Replace Auger Belt
1) Remove spark plug wire from plug.
2) Remove Chute Assy. See section 7.51
3) Remove both 3/8" screws that secure belt
cover. Remove belt cover.
BELT COVER
7) Place new belt on auger pulley.
8) Lift auger housing into position and ensure
that slotted bracket on auger housing are
placed onto the rod at base of powerhead
RIGHT SCREW
4) Place a chair or saw horse under handle for
support after auger section is split.
SLOTTED
BRACKET
ROD
RIGHT BOLT
LEFT BOLT
5) Remove both 9/16" hex bolts that hold the
powerhead and auger housing together.
AUGER BELT
IDLER PULLEY
6) Remove belt from drive pulley as you
separate the auger from the powerhead
assembly
36
9) Route auger belt around pulleys, checking
that the belt does not catch on idler brkt.
10)Reinstall bolts to secure auger housing to
the powerhead.
11)Reinstall the belt cover and the chute
assembly. ( See Section 7.51)
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7.33 Belt Guide Dimension.
7.35 Replace Traction Drive Pulley
BELT GUIDE
1) Separate powerhead assembly from auger
housing assembly (see section 7.61)
1/16" to 1/8"
CLEARANCE
AUGER BELT
7.34 Replace Traction Drive Belt
1) Separate auger assembly from Powerhead
assembly (See section 7.61)
DRIVE PLATE
SLOT
IDLER SPRING
LEFT WHEEL
2) Ensure that idler spring is in place before
re-assembly. Put tape over the spring hook
on the outside of housing to keep the spring
in proper position.
2) Remove Traction Drive Belt ( Section 7.33 )
from engine pulley.
3) Use traction drive belt to prevent drive
pulley from turning remove 1⁄2” hex head
bolt holding the pulley in place
4) Use antiseize compound before replacing
Pulley and reinstall washer, bolt at 15-20
Ft.Lbs., and belt.
5) Reassemble auger housing to powerhead
assembly.
7.36 Idler Spring locations
TRACTION BELT SPRING
3) Use a 3/8" ratchet with 6" extension inserted
in square opening on the idler arm to
release the tension on the belt. Pull on
ratchet to rotate idler arm.
4) Remove defective belt and replace with new
traction drive belt.
NOTE: Idlers, Idler Brackets, and Springs
for both drive Belts are now accessable.
5) Re-attach auger housing to powerhead (see
section 7.61 or section 7.32)
37
AUGER BELT SPRING
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7.37 Remove and replace engine.
7) Remove Frame Bottom Pan (Section 7.42).
8) Remove Drive Plate Assy. (Section 7.43).
1) Remove belt cover ( Sections 7.31 & 7.32).
2) Remove both belts from engine pulleys. See
page 20
WOOD SUPPORT
FRAME SLOT
FOR
DRIVE PLATE
9) Place a piece of wood (15" long by 3/4"
thick) between Engine and Pivot Support.
DRIVE SPRING
3) Tape idler Spring to outside of powerhead
body. IDLER BRACKET ENGINE PULLEYS
10) Use a 1/2" socket with 15" extension to
remove the 4 engine mounting bolts.
11) Remove engine.
BELT GUIDE
DRIVE BELT
12) Place new engine on side on pivot support
for reinstallation. A board about 3/4" thick
placed across pivot support will help to position
engine while starting self-tapping screws.
Torque screws holding engine to chassis at
25-30 Ft.Lbs.
13) Reinstall Drive Plate Assembly,
(Section 7.45)
14) Place wheels back on axles so the blower
can be tipped back into operating position.
Reinstall engine pulleys, idler bracket with idler
pulley, belt guide, attach idler spring, and belts.
Adjust Belt Guide as shown in Section 6.01.
4) Remove traction drive belt idler bracket, belt
guide for auger drive, and engine pulleys.
BARREL
CONNECTOR
HOUSING
SCREW
NOTE: With Frame Bottom Pan off, the belts
are accessible from the bottom for installation
on pulleys. Do not install bottom Pan until
belts are fully installed.
15) Reposition snow thrower with front of
auger down. Reinstall frame bottom pan.
Tip snowthrower back to operating position.
Reinstall belt cover.
5) Disconnect headlight wire harness on
engine.
6) Position Snowthrower with front of auger
down.
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SNOW THROWER - SECTION 7.41
DRIVE
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7.42 Remove Frame Bottom Pan
1) Remove fuel from fuel tank.
2) If repair involves removal of Drive Plate
Assembly. See section 7.45.
3) Remove Belt cover. Use tape to hold end of
Drive Belt Idler Spring in place, see page 37.
4) If the Drive Plate Assembly is to be removed,
use a 3/8" drive ratchet with a 6" extension to
remove tension from the traction drive belt by
pulling up. Remove belt from engine pulley, see
Section 7.34.
7.43 Replace Rubber Wheel Ring or
Hex Shaft
1) Remove wheels
2) Remove bottom pan (Section 7.42)
NUT
3/4" HEX SHAFT
3) Using a 3⁄4” wrench to hold the shaft ,
remove nut on right side
HEX HEAD
SCREWS
SCREWS
FLANGE
BEARING
HEX HEAD
SCREWS
4) Remove both screws that secure flange
bearing on left side.
5) Position snowthrower so auger is down and
handles are up.
6) Remove both wheels
7) Remove the four Hex Head Screws that hold
the bottom pan to the frame.
8) Reverse to reassemble.
180017 FLANGE BEARING
180065 PINION GEAR
180066 LONG HEX SHAFT
5) Pull bearing/hex shaft assembly out from left
side.
6) Remove Assembly with Rubber Wheel Ring
from shifter fork and support Plates.
7) Replace Rubber Wheel Ring and torque
bolts to 14-18 Ft.Lbs.
8) Reverse process to install. Lubricate hex
shaft with metallic anti-seize before reinstalling. Check to see that trunion bearing
round tabs are positioned in slots of shifter
fork.
40
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7.44 Replace Intermediate Gear
1) Remove bottom pan (Section 7.42).
2) Remove bolts holding lower handle to left
side of frame.
NUTS
3) Remove the 1⁄2” nut holding the clutch rod to
the drive control bellcrank.
FRAME SLOT
3) Remove four 1⁄2” nuts that secure the gear
and the Auxiliary Plate.
4) Remove bolt through center of gear.
NOTE: Inspect pinion on Hex Shaft, if
damaged replace. Lubricate Hex Shaft.
5) Replace gear and reassemble reversing the
process. Torque nuts at 4-6 Ft.Lbs.
Lubricate center of gear with grease.
7.45 Replace Drive Plate Assembly
1) The Drive Belt must be removed from the
Engine Pulley. (Section 7.32)
FRAME
BOTTOM
PAN
POWER
STEERING
COVER
DRIVE PLATE
ASSEMBLY
SCREWS
LOWER
FRONT
SCREW
2) If equipped with power steering, remove the
screw holding the power steering cover at
lower front on both sides.
41
DRIVE PLATE
ASSEMBLY
SCREWS
4) Remove the 4 screws (2 each side) from
the frame that hold the mounting drive plate
in place. The zinc plated screws on left side
are slightly longer.
5) Remove belt from pulley
6) Slide Drive Plate Assembly out.
NOTE: Whenever this assembly is removed,
it is strongly suggested to lubricate the
Hex Shaft with anti-seize compound. See
Section 7.46 for instructions.
7) Place belt on pulley in correct position, be
sure the clutch rod is through the hole in
top left end of plate. Reverse the order to
reassemble.
8) The top left corner of the Drive Plate
Assembly will fit into Frame Slot.
9) Install 1⁄2” nut at bellcrank so two threads are
showing on clutch rod. See Section 6.22.
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7.46 Disassemble Drive Plate / Drive
Pulley Assembly (Shaft Lubrication
INSTRUCTION )
7.47 Replace Wheel Drive Axle / Gear
1) Remove Frame Bottom Pan. Section 7.42.
2) Remove covers and disassemble power
steering on both sides if so equipped.
PIVOT PIN
SPRING
HAIRPIN RETAINER
SHIFT PLATE LEVER
CLUTCH ROD
AXLE
BEARING
SCREWS
1) Unhook Spring from Clutch Rod (key 11)
2) Remove Hairpin Retainer (key 22) from the
Shift Plate Lever.
3) Remove Pivot Pin and separate Drive Plate
(key 26) from hex shaft.
LUBRICATE HEX SHAFT
3) Remove the screws on the right side that
secure axle bushing to the frame.
4) Inspect parts for wear and replace if
necessary.
5) Lubricate all sides of Hex Shaft with metallic
anti-seize compound.
6) Reverse the order to reassemble.
4) Slide the axle out the right side and replace
damaged parts.
5) Reverse process to reassemble. Make
sure the square key, roll pin, and thrust
washer is located between gear and
bearing
NOTE: Lubrication of the Hex Shaft with
metallic antiseize compound is recommended
every 120 hours of operation. If this assembly
is removed, we recommend the hex shaft is
lubricated with anti-seize compound.
42
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7.51 Remove Chute Assembly for
servicing other items
7.61 Remove Auger Assembly for
servicing
1) Remove spark plug wire from plug.
2) Remove Deflector Chute (Section 7.51
Chute Removal)
3) Remove both 3/8" screws that secure belt
cover. Remove belt cover.
SPRING
NUT AND
WASHER
RIGHT SCREW
4) Place a chair or saw horse behind handle
assembly for support after auger section is
split.
DEFLECTOR
CABLE
1) Remove spring that attaches from the
deflector to the pivot.
NOTE: If unit is not equipped with a remote
deflector proceed to step 4
2) Remove the nut and washer that secures
the deflector cable to the deflector.
3) Remove the nut, washer and bracket that
secure the cable to the chute.
RIGHT BOLT
LEFT BOLT
5) Remove both 9/16" hex bolts that hold the
powerhead and auger housing together.
CABLE
ASSEMBLY
9/16" LOCKNUT
4) Remove the 9/16" locknut and separate the
cable assembly from the chute assembly.
The chute assembly will separate,
be careful not to drop the chute onto the
snowthrower.
5) Reverse process to reinstall chute deflector.
43
To Reinstall:
7) Place belt on auger pulley and use to lift
auger assembly into position so that slotted
bracket on auger housing are placed onto
the rod at base of powerhead.
9) Route auger belt around pulleys/guide.
Check that belt is not caught on idler brkt.
10)Reinstall bolts to secure auger housing to
the powerhead and belt cover.
11)Reinstall the chute assembly and plug wire.
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SNOW THROWER - SECTION 7.62
AUGER HOUSING / IMPELLER ASSEMBLY
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7.63 Replace Auger Shear Bolts
7.64 Replace Impeller Shear Bolts
IMPELLER SHEAR BOLTS ( 49 )
3) Remove the auger drive pulley from the
impeller shaft. It may be necessary to use a
gear puller for this. If so, it may help to put a
small socket between the gear puller screw
and the shaft.
4) Using emery cloth, clean and smooth the
surface of the shaft.
AUGER SHEAR BOLTS ( 28 )
CAUTION: Only OEM shear bolts should be
used. Use of other hardware may result in severe damage to the auger or the gearbox and
result in expensive repairs.
28 179828
Shoulder Bolt, Auger
49 74780426 Screw, Hex Head
7.65 Disassembly of Auger Pulley,
Auger, Impeller, and Auger Housing
5) Remove the right and left side bolts (3/8")
that hold the auger bearings in place.
1) Separate Auger Assembly from powerhead
of Snowthrower (Section 7.61).
6) Holding the Auger pull up to remove the
impeller assembly from the auger housing.
It may be necessary to use a file to smooth
edges of keyway on the shaft so the shaft
will slide through the bearing.
7) To replace the auger remove shear bolts
and pull away from gearbox shaft.
8) To replace impeller remove shear bolts and
pull away from shaft.
2) Remove the 1⁄2” bolt and washers that hold
the auger drive pulley in place using the
belt to prevent pulley from turning.
45
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7.66 Reassembly of Auger Assembly
IMPELLER SHAFT
NOTE: Before re-assembling, clean impeller
shaft where the auger pulley will be installed
using emery cloth, and lubricate shaft end with
anti-seize.
RIGHT SIDE
AUGER
5) Turn Auger assembly over, put antiseize
compound on impeller shaft before installing
pulley. Torque at 15-20 Ft.Lbs.
6) Reinstall belt and reattach auger assembly
to powerhead. (Section 7.61 or 7.31).
AUGER BEARING
1) Place auger bearings at ends of auger
with center notch in bearing toward housing
ends.
7.67 Replace Scraper Bar
NOTE: The Scraper Bar is reversible. Inspect
Scraper Bar on snowthrower before ordering a
replacement.
LEFT SIDE AUGER
30" AUGER WIDTH
2) Check the end of the auger flight. Stamped
into the metal is an “L” on the left side or “R”
on the right as well as the auger width.
SCRAPER BAR
CARRIAGE BOLTS
AND NUTS
1) Tip snowthrower so that Auger is down and
handles are up.
2) Remove the nuts and carriage bolts holding
the scraper to the housing.
3) The scraper bar is reversible and can be
turned over and reinstalled once before
replacement is required.
4) Reuse carriage bolts and nuts to install
scraper bar.
3) With auger housing sitting on its back insert
gearbox / auger / impeller as an assembly
into place.
7.68 Gearbox Repair Information
Replace worn or damaged parts. Replace gasket. Use 750369 grease. Torque self-tapping
screw to 15 Ft.Lbs. max.
4) Reinstall screws to side of housing to
secure the auger bearings.
46
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TECUMSEH 4-CYCLE OHV ENGINE
47
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TECUMSEH 4-CYCLE OHV ENGINE
KEY PART
NO. NO.
1
2
3
4
5
14
14A
15
15A
15B
16
17
18
19
20
25
26
28
30
35
36
37
38
40
41
42
43
45
47
48
49
50
60
65
66
69
70
71
72
75
KEY PART
NO. NO.
DESCRIPTION
Cylinder (Includes
Key Numbers 2, 20 and 72)
Dowel Pin
Screw 1/4-20 x 1/2"
Oil Drain Extension
Extension Cap
Washer
Washer
Governor Rod Assembly
(Includes Key Numbers 15A & 15B)
Governor Yoke
Screw #6-40 x 5/16"
Governor Lever
(Includes Key Number 212A)
Governor Lever Clamp
Screw, T-15 #8-32 x 7/16"
Extension Spring
Oil Seal
Blower Housing Baffle
Screw 1/4-20 x 19/32"
Lock Nut #10-32
Crankshaft
Screw #10-32 x 3/4"
Lock Washer
Lock Nut #10-32
Retaining Ring
Piston, Pin & Ring Set (Standard)
Piston, Pin & Ring Set (.010" OS)
Piston & Pin Assembly (Standard)
(Includes Key Number 43)
Piston & Pin Assembly (.010" OS)
(Includes Key Numbers 43)
Ring Set (Standard)
Ring Set (.010" Oversize)
Piston Pin Retaining Ring
Connecting Rod Assembly
(Includes Key Numbers 47 & 49)
Connecting Rod Bolt
Valve Lifter
Oil Dipper
Camshaft (MCR)
Blower Housing Extension
Screw #10-24 x 3/16"
Screw, Torx T-30 1/4-20 x 1/2"
Cylinder Cover Gasket
Cylinder Cover (Includes Key
Numbers 71, 75 and 80 thru 84)
Crankshaft Bushing
Oil Drain Plug
Oil Seal
80
81
82
83
84
86
87
89
90
92
93
100
101
102
103
110
110A
119
120
125
126
127
128
130
135
139
140
150
151
151A
153
154
155
157
158
159
160
161
163
169
170
171
172
173
174
174A
DESCRIPTION
Governor Shaft
Washer
Governor Gear Assembly
(Includes Key Number 81)
Governor Spool
Retaining Ring
Screw 1/4-20 x 1-3/16"
Screw 1/4-20 x 1-11/16"
Flywheel Key
Flywheel (with Ring Gear)
Lock Washer
Flywheel Nut
Solid State Ignition
(Includes Key Number 101)
Spark Plug Cover
Solid State Mounting Stud
Screw, T-15 #10-24 x 15/16"
Ground Wire
Ground Wire
* Cylinder Head Gasket
Cyinder Head (Includes
Key Numbers 151A and 270A)
Exhaust Valve (Standard)
Exhaust Valve (1/32" Oversize)
Intake Valve (Standard)
Washer
Belleville Washer
Screw 5/16-18 x 2-1/2"
Spark Plug (RN4C)
Governor Gear Bracket
Screw #10-24 x 1/2"
Valve Spring
Valve Spring Keeper
Intake Valve Seal
Push Rod Guide
Rocker Arm Stud
Rocker Arm
Jam Nut
Push Rod
* Rocker Arm Cover Gasket
Rocker Arm Cover
Screw, T-30 1/4-20 x 1/2"
Lock Washer
* Valve Cover Gasket
Breather Body
Breather Element
Valve Cover
Breather Tube
Screw #10-24 x 1/2"
Screw #10-24 x 29/32"
48
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TECUMSEH 4-CYCLE OHV ENGINE
KEY
NO.
180
181
182
183
184
185
186
186B
200
203
204
206
207
209
212
212A
215
217
219
220
222
223
224
260
261
262
265
266
269
270
270A
271
275
276
277
279
280
285
287
290
291
292
295
298
300
301
302
302A
KEY PART
NO. NO.
DESCRIPTION
Blower Housing Extension
Screw #10-24 x 9/16"
Screw, T-30 1/4-20 x 27/32"
Choke Bracket
* Carburetor To Intake Pipe Gasket
Intake Pipe
Governor Link
Choke Spring
Control Bracket (Includes
Key Numbers 203 and 204)
Compression Spring
Screw, T-10 #5-40 x 7/16"
Terminal
Throttle Link
Screw #10-32 x 1/2"
Bushing
Bushing
Speed Control Knob
Bellcrank Lever
Choke Rod
Choke Control Knob
Screw #10-32 x 1/2"
Screw, T-30 5/16-18 x 7/8"
* Intake Pipe Gasket
Blower Housing
Screw 1/4-20 x 5/8"
Screw #5/16-18 x 9/16"
Cylinder Head Cover
Screw 5/16-18 x 1-9/32"
* Exhaust Gasket
Exhaust Manifold
Exhaust Port Liner
Locking Plate
Muffler
Locking Plate
Screw 5/16-18 x 4-1/2"
Screw #10-32 x 5/16"
Heat Shield
Starter Cup
Nut & Lock Washer 1/4-28
Fuel Line
Fuel Line
Fuel Line Clamp
Fuel Shut-Off Valve
(Includes Key Number 292)
Screw 1/4-15 x 3/4"
Fuel Tank (Includes
Key Numbers 292 and 301)
Fuel Cap
Fuel Tank Extension
Screw #10-32 x 1/2"
305
307
308
310
314
315
322
323
328
329
335
335A
336
338
341
342
343
343A
345
345A
350
351
355
361
369
370C
370I
370J
370K
380
390
395
400
420
900
---
RPMs:
DESCRIPTION
Oil Fill Tube
“O” Ring
Fill Tube Clip
Dipstick
Screw 1/4-20 x 3/4"
Alternator Coil, 18 Watt (Includes
Key Numbers 322 and 323)
Connector Body
Terminal
Ignition Keys
Terminal
Carburetor Cover, Front
Carburetor Cover
Screw, T-30 1/4-20 x 1/2"
Screw #10-32 x 1/2"
Fuel Tank Bracket
Screw 5/16-18 x 7/8"
Key Switch Bracket
(Includes Key Number 343A)
Screw #10-32 x 23/64"
Heat Baffle
Screw #10-32 x 1/2"
Primer Assembly
Primer Line
Starter Handle
Screw, T-30 1/4-20 x 15/32"
Screw #12-16 x 5/8"
Primer Decal
Warning Decal
Throttle Decal
Starter Decal
Carburetor
(Includes Key Number 184)
Rewind Starter
Electric Starter Motor (120 Volt)
Gasket Set
(Includes All Items Marked *)
SAE 5W30 4-Cycle Engine Oil
(1 Quart Bottle)
Replacement Engine - NONE
Replacement S/B
(order from 71-999)
Low: 1850 to 2150
High: 3350 to 3650
NOTE: This engine could have been built with
Starter #590733.
NOTE: All component dimensions given in U.S. inches.
1 inch = 25.4 mm
49
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TECUMSEH 4-CYCLE ENGINE
MODEL NUMBER OHSK90-221428C
KEY PART
NO. NO.
-1
1A
2
6
7
10
14
15
16
17
18
20
20A
25
27
28
29
30
31
32
33
36
37
40
44
47
48
60
DESCRIPTION
Carburetor (Incl. 184 of Engine List)
Throttle Shaft & Lever Assembly
Throttle Link Bushing
Throttle Return Spring
Throttle Shutter
* Shutter Screw
Choke Shaft & Lever Assembly
Choke Shutter
Choke Positioning Spring
Fuel Fitting
Throttle Crack/Idle Speed Screw
Tension Spring
Idle Restrictor Screw
Idle Restrictor Screw Cap
Float Bowl Assembly (Incl. 32 & 33)
* Float Shaft
Float (Plastic)
* Float Bowl “O” Ring
* Inlet Needle, Seat & Clip (Incl. 31)
Spring Clip
Bowl Drain Assembly
Drain Plunger Gasket
Main Nozzle Tube
* “O” Ring, Main Nozzle Tube
High Speed Bowl Nut
Bowl Nut Washer
* Welch Plug, Idle Mixture Well
* Welch Plug, Atmospheric Vent
Repair Kit (Incl. Items Marked *)
KEY PART
NO. NO.
-1
2
3
4
5A
6
7
8
9
10
11
13
14
15
16
22
23
26
DESCRIPTION
Electric Starter (110 Volt)
Dust Cover
Retainer Ring
Spring Retainer
Anti-drift Spring
Gear & Nut (Incl. 2)
Drive End Cap Assembly (Incl. 7)
“O” Ring
Armature
Housing Assembly
Brush Card Assembly
Thrust Washer
Thrust Washer
Ground Screw
Commutator End Cap Assy. (Incl. 7)
Switch Box Assembly
Case Bolt
Ground Screw
Screw #6-32 x 2-1/2"
Screw #12-16 x 5/8"
29
Extension Cord (10' 6")
30
Screw, Torx T-30 1/4-20 x 1/2"
31
Screw 1/4-20 x 1/2"
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm
50
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SERVICE NOTES
51
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Part Number 184962 _ printed for MY 2003
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