Toro 521 Snowthrower, 3521 Snowthrower User manual

Toro 521 Snowthrower, 3521 Snowthrower User manual
FORM NO: 3312-410
MODEL NO. 38035 — 5000001 & UP
MODEL NO. 38052 — 5000001 & UP |
OPERATOR'S
MANUAL
3521 & 521 SNOWTHROWER
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ÁN SAFETY INSTRUCTIONS
The 3521 and 521 SNOWTHROWERS meet or exceed the Outdoor Power Equipment
Institute's safety standards for snowthrowers; thus, Toro proudly displays the OPEl safety
seal. To assure maximum safety, optimum performance, and to gain knowledge of the
product, it is essential that you or any other operator of the snowthrower read and
understand the contents of this manual before the engine is ever started. Pay particular
attention to the safety symbol which means CAUTION, WARNING or DANGER —
“personal safety instruction”. Read and understand the instruction because it has to do
with safety. Failure to comply with the instruction may result in personal injury.
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The following instructions are comparable to
the Instructions For Safe Snowthrowing
adopted by ANSI — American National
Standards Institute. The snowthrower is
designed and tested to offer reasonably safe
service, however, failure to operate it in
accordance with the following Safety Instruc-
tions MAY RESULT IN PERSONAL INJURY.
BEFORE OPERATING
1. Read and understand the contents of this
manual before starting and operating the
machine, Become familiar with all controls
and know how to stop the engine quickly.
2. Keep everyone, especially children and
pets, away from the area of operation. Never
allow children to operate the snowthrower.
3. Inspect area thoroughly where snow-
thrower will be used. Remove door mats,
sleds, boards, sticks, wire and any other
foreign objects which might be picked up and
thrown by the snowthrower.
4. Keep all shields and safety devices in place.
Ifashield, safety device or decal is defective or
damaged, repair orreplace it before operation
is commenced. Also, tighten any loose nuts,
bolts and screws.
5. Wear adequate winter clothing and foot-
wear that will improve footing on slippery
surfaces. Do not wear loose fitting clothing
that could possibly get caught in moving parts.
6. Adjust both skids so auger housing clears
gravel or crushed rock surfaces. ;
7. Betore starting the engine, assure auger
drive control and wheel drive control are in
disengaged position. . _.
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8. Fill fuel tank with gasoline before starting
the engine. Avoid spilling any gasoline. Since
gasoline is highly flammable, handle it care-
fully. DO NOT SMOKE.
A. Use an approved gasoline container.
B. Fill fuel tank outdoors and only when
engine is not running. Engine must be cool
to prevent a potential fire hazard.
C. Open doors if engine will be run in the
garage because exhaust fumes are
dangerous and could possibly be deadly.
‘Do not run engine indoors. |
D. Wipe up any gasoline that spilled, and
install gasoline container cap and snow-
thrower fuel tank cap securely before
starting the engine.
WHILE OPERATING
9. Keep people and pets a safe distance away
from the snowthrower and area of operation.
10. Allow engine to warm up for about 2
minutes and machine to adjust to outdoor
temperature before clearing snow.
11. Do not run engine indoors, except when
startingengine. When starting engine indoors,
open outside doors because exhaust gasses
are dangerous.
12. Operate the snowthrower only when there
is good visibility or light. Always maintain
secure footing and keep a firm grip on the
handles, especially when operating in reverse.
13. Be attentive when using the snowthrower,
and stay alert for holes inthe terrain and other |
hidden hazards. Be careful when clearing
snow from.a gravel drive because stones could
SAFETY INSTRUCTIONS
be picked up and thrown if the skids are not
adjusted so auger housing clears all rocks.
14, STAY BEHIND THE HANDLES AND
AWAY FROM DISCHARGE OPENING WHILE
OPERATING THE SNOWTHROWER. Keep
face, hands, feet and any other part of your
body or clothing away from concealed,
- moving or rotating parts.
15. Do not make any adjustments while the
engine is running, with the exception of
carburetor adjustments.
16. Never operate snowthrower near by-
standers, glass enclosures, automobiles and
trucks, window wells or a drop-off without
proper adjustment of the snow discharge
angle.
17. Clear snow from slopes by going up and
down; never across the face, and use caution
when changing directions. Never clear snow
from steep slopes.
18. Do not overload the snowthrower by
clearing snow at too fast a rate.
19. If a solid object is hit or snowthrower
vibrates abnormally, shut engine off and wait
for all movement to stop. Pull high tension wire
off spark plug and check snowthrower im-
mediately for possible damage, an ob-
struction or loose parts. Vibration is generally
a warning of trouble. Repair any damage
before restarting engine and operating snow-
thrower again.
20. Do not touch engine while it is running or
soon afteritis stopped because the engine will
be hot enough to cause a burn. Do not add oil
or check oil level in crankcase when engine is
running.
21. Before leaving the operator's position —
behind handles — assure traction and auger
drive controls are in DISENGAGE position
and rotate ignition key to OFF. Remove key
from switch if snowthrower will be left
unattended.
22. Before adjusting, cleaning, repairing and
inspecting the snowthrower, and before un-
clogging the discharge chute, shut engine off
and wait for all moving parts to stop. Also, pull
high tension wire off spark plug and keep wire
away from the plug to prevent accidental
starting. Use a stick to remove obstructions.
23. Release auger drive control to assure it is
disengaged before transporting or storing the
snowthrower. Never operate snowthrower at
high transport speeds on slippery surfaces.
Use care when backing.
24. Let engine run for a few minutes after
clearing snow and before storing so moving
parts do not freeze.
MAINTAINING SNOWTHROWER
25. Perform only those maintenance instruc-
tions described in this manual. Shut engine off
before performing any maintenance service or
adjustment. Additionally, pull high tension
wire off spark plug and keep wire away from
plug to prevent possibility of accidental
starting. If major repairs are ever needed,
contact the local Authorized TORO Service
Dealer for assistance.
26. Keep snowthrower in safe operating
condition by keeping nuts, bolts and screws
tight. Check engine mounting bolts frequently
to assure they are tight.
27. Do not overspeed the engine by changing
governor settings. Recommended maximum
engine speed is 3400 rpm. To assure safety
and accuracy, check maximum engine speed
(3400 rpm) with a tachometer.
28. Allow engine to cool before storing snow-
thrower in an enclosure such as a garage or
storage shed. Never store the machine with
fuel in the fuel tank inside a building where
open flame or sparks are present.
29. When storing the snowthrower for an ex-
tended time — off season storage or 30 days
— drain gasoline from fuel tank to
prevent a potential hazard. Store gasoline in a
safety-approved, red, metal container. Re-
move key from ignition switch and keep itin a
memorable place.
30. At the time of manufacture, the snow-
thrower conformed with or exceeded safety
standards in effect for snowthrowers. There-
fore, to assure optimum performance and '
safety, purchase genuine TORO replacement
parts and accessories to keep the TORO all
TORO. NEVER USE "WILL-FIT" REPLACE-
MENT PARTS AND ACCESSORIES. The
TORO logo assures genuineness,
31. For safety reasons, use only those acces-
sories and attachments recommended by The
Toro Company to assure continued safety
certification of the product. Using unapproved
accessories and attachments could contribute
to a potential hazard.
TABLE OF CONTENTS
SAFETY DECALS
Page Page
Safety Decals ..........orresacsrosooro. 3-4 Snowthrower Tips ........e..::-.secooa 10
Lobse Parts... .=acp0:evaa EA aus 4 MAaintenalico =D 11-17
Setting Up Instructions ................. 5-7 Draining Gasoline .............. Ens 11
Installing Handle ...........2....0.0... 5 Lubricating Snowthrower ....... жа коже 11
Install -Traction Rod :...........ecensoos 5 Changing Crankcase Oil .............. 12
Install Auger Drive Control Linkage ..... 5 Changing Auger Gear Box Qil ,........ 12
Install Speed Selector Rod ............. 6 Adjusting Skids and Scraper Blade .... 12
Connect Ignition Wires. ................ 6 Adjusting Auger Control If Unit
install Chote Contrèl...: 535 7 Will Not Throw Snow ............... 13
Preparation Before Starting .............. 8 Replacing Auger/Impeller Drive Belt ... 13
Fill Crankcase With Oil ................. 8 Replacing Traction Drive Belt ......... 14
Fill Fuel Tank With Gasoline............ B Adjusting Traction Disc ............... 14
Check Snowthrower Operation ......... 8 Adjusting Speed Selector ............. 15
Controls .........eeeerreorrererecorerev. 9 Replacing Spark Plug .........ce......e. 16
Starting and Stopping Instructions....... 10 Adjusting Carburetor ................. 16
To Start Engine..........eeecrevosreoo. 10 Preparing Snowthrower For Storage ... 17
To Stop Engine... mean an der 10 Identification and Ordering.............. 17
Operating Instructions ............... 10-11 The Taro: Promise: cc...» di. 20
Safety and instruction decals are located on the snowthrower chassis and engine.
Replace any decal that is damaged.
OFF
ARRET
ON
MARCHE
IGNITION
ALLUMAGE
CAUTION &\ ATTENTION
STOP ENGINE BEFORE SERVICING OR MAKING ADIUSTMENTS.
READ YOUR OPERATOR'S MANUAL FOR OPERATING AND SAFETY
INSTRUCTIONS. IF YOU DO HOT HAVE AN OPERATOR'S MAKUAL
WRITE US, INCLUDING MODEL AND SERIAL NUMBERS.
ARRETEZ LE MOTEUR AVANT DE REGLER OÙ DE REPARER,
LISEZ LE MANUEL DU PROPRIETAIRE ET LES REGLES DE SECURITE
SI VOUS W'AVEZ PAS DE MANUEL DU PROPRIETAIRE, ECRIVEZ-NOUS,
EN INDIQUANT LE MODELE ET LE NUMERO DE SERIE.
THE TORO COMPANY, 8111 LYNDALE AVE. MINNEAPOLIS, MN 55420
WARNING
HOT SURFACES
ATTENTION
SURFACE CHAUDE
ON ENGINE
(Part No. 25-6390)
TOP OF ESCUTCHEON PLATE
(Part No. 37-9140)
FAST
iil
SLOW
LENT +
[HROTTLE
COMMANDE
DE GA/
ALONGSIDE
THROTTLE
{Part No. 37-8890)
Р RI M E i ISSILIA 30 BNILIFTIS
TE T 0 WOLITIIS dds
PRIME y
AMORCEUR
POUSSEZ
POUR
AMORCER
Ml
TORO.
521
A
NEXT TO PRIMER
(Part No. 39-3860)
MODEL 521 — (Part No. 53-7640)
MODEL 3521 — (Part No. 53-7630)
SAFETY DECALS
RIGHT LHOKE MT WHEEL
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CHUTE DIRECTION COMMANDE edi
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MODEL 3521
CHOKE (Part No. 39-3840)
ETRANGLEUR
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ATTENTION A WARNING
«GARDEZ LES MAINS HORS <KEEP HANDS OUT OF CHUTE
DE LEJECTEURET DEMEUREZ — AND KEEP.CLEAR OF AUGER
A L ECART DE LA TARIERE WHILE ENGINE 1S RUNNING
QUAND LE MOTEUR EST EN *STOP ENGINE BEFORE UN-
MARCHE CLOGGING OR REMOVING
ANTE LE OTC 5 DEBRIS
AVAN UT DEBLOCAGE OU ‘ T DIRECT R
ENLEVEMENT DE DEBRIS A Te ENS PCT
*NE DIRIGEZ JAMAIS
L EJECTEUR VERS AUTURI
ON DISCHARGE CHUTE ON AUGER HOUSING
{Part No. 53-7660) (Part No. 29-6350)
LOOSE PARTS
Part Qty. Use
E Washer ; Install on Speed Selector Rod
Flange Screws 4 Install Handle
Clevis Pin 1
Cotter Pin 1 | Install Auger & Traction Drive Control Rod
Flange Nut 2
Capscrew & Locknut 1
Looknun & Pyramidal Washer 1 | Install Chute Control. Rod
Special Hex Flange Screw 1 Connect Wires
Keys 2 Use in ignition switch
Registration Card 2 Used to validate product warranty
Specifications and design subject to change without notice.
Accessories:
110 VAC Electric Starter (part no. 23-3790) Drift Breaker Kit (part no. 37-7020)
Tire Chains (part no. 37-7010) Grader Blade (model no. 59099)
4
SETTING UP INSTRUCTIONS
Note: Left and right sides of snowthrower are
determined by standing in the normal
operating position.
INSTALL HANDLE
1. Remove tie straps securing control rods to
handle.
2. Position left handle on side of unit, align
handle mount holes with holes in side plate
and secure with two flange screws finger tight
(Fig. 1). Repeat procedure on right side and
tighten handle screws on both sides of unit.
Note: The wheel retainer pin can be removed
and the wheel moved out on the axle to
achieve more clearance (Fig. 1).
Figure 1
1. Handle 3. Wheel retainer
2. Flange screws
INSTALL TRACTION ROD
1. Thread a flange nut (flange side down) onto
traction rod located on left handle (Fig 2).
Figure 2
I. Flange nut 2. Traction rod
2. Insert traction rod through loop in lower
traction rod (Fig. 3).
Figure 3
1. Tractionrod 3. Lower traction rod
2. Loop
3. Thread a flange nut (flange side up) onto
bottom of traction control rod to loop in lower
traction rod (Fig. 3).
4. Check the distance between the center of
the handle and top of the control lever (Fig. 4).
Distance should be 5'% inches (14 cm).
Figure 4
1. Traction control lever
2. Approximately 5' inches (14 em)
5. To adjust distance, loosen bottom flange
nut, thread upper flange nut up or down to
increase or decrease distance between handle
and control lever, and retighten lower flange
nut.
INSTALL AUGER
DRIVE CONTROL LINKAGE
1. Loosen jam nut above clevis on upper
control rod (Fig. 5).
SETTING UP INSTRUCTIONS
2. Align holes in clevis and lower control rod,
install with clevis pin (Fig. 5).
Figure 5
Jam nut
Clevis
Upper control rod
Lower control rod
Clevis pin
Cotter pin
с В В 54
3. Check the distance between the center of
the handle and tip of the auger control lever
(Fig. 8). Distance should be approximately 7%
inches (19 cm).
Figure 6
1. Auger control lever
2. Approximately 7'z inches (19 cm)
4. To adjust distance, remove clevis pin,
loosen jam nut and thread clevis up ordown to
increase or decrease distance between handle
and control lever.
6
5. After adjusted, install clevis pin and secure
with cotter pin. Tighten jam nut to secure
clevis (Fig. 5).
6. Compress lever against handle grip to
check lever operation. If lever is difficult to
compress or does not touch handle, shorten
distance between center of handle and tip of
lever; repeat steps 4 and 5.
INSTALL SPEED SELECTOR ROD
1. Pull speed selector arm to the fully “out”
position (Fig. 7) and move control handle on
escutcheon plate to the R (REVERSE) position
to ease assembly.
2. Install speed selector rod into selector arm,
add one flat washer on the selector rod and
secure with cotter pin (Fig. 7).
VE
Figure 7
1. Speed selector arm
2. Speed selector rod
3. Flat washer and cotier pin
Note: If speed selector lever will not move into
third gear, an adjustmentis necessary: referto
Adjusting Speed Selector, page 15.
CONNECT IGNITION WIRES
1. Remove phillips head screw and wire from
engine bracket, install wire with smaller 1.D.
hole and reassemble to engine bracket
(Fig. 8).
2. Insert flange head capscrew through large
I.D. holein remaining wire and install in lower
hole in engine bracket (Fig. 8).
SETTING UP INSTRUCTIONS
Figure 8
1. Small I.D. wire and phillips head screw
2. Flange head capscrew and large |.D. wire
INSTALL CHUTE CONTROL
1. Assemble chute control bracket and rod to
left side of handle with capscrew and locknut.
Leave locknut loose until assembly is
completely mounted (Fig. 9).
Figure 9
1. Chute control bracket and rod
2. Capscrew and locknut
2. Apply No. 2 general purpose grease to
worm gear. Mount worm gear and bracket to
mounting flange and secure with pyramidal
washer and locknut (Fig. 10).
Figure 10
1. Worm gear and bracket
2. Pyramidal washer and locknut
3. Push worm firmly against teeth in chute
retaining ring and tighten locknut (Fig. 10).
Then, tighten locknut 10 secure chute control
bracket against left handle (Fig. 9).
PREPARATION BEFORE STARTING
FILL CRANKCASE WITH OIL
Theengine is shipped from the factory without
oil in the crankcase. Therefore, before trying
to start engine, oil must be added to the
crankcase.
IMPORTANT: Check level of oil every 5
operating hours or each time unit is used.
Initially, change oil after the first 2 hours of
operation; thereafter, under normal condi-
tions, change oil after every 25 hours of
operation. However, change oil more fre-
quently when engine is operated in extremely
dirty conditions.
1. Move unit to a level surface to assure an
accurate oil level reading.
2. Clean area around dipstick to prevent
foreign matter from entering filler hole when
dipstick is removed.
3. Remove dipstick from crankcase (Fig. 11).
Figure 11
~ Filler hole
Dipstick
Fuel Tank Cap
to o
4. Slowly, pour 21 ounces (0.621 1) of SAE
5W30 or SAE 10 oilinto the filler hole (Fig. 11).
The engine uses only high-quality detergent
oil having the American Petroleum Institute
— API — "service classification” SC, SD or SE.
Note: Dipstick must be fully installed to assure
accurate gauging of oil level. DO NOT
OVERFILL.
FILL FUEL TANK WITH GASOLINE
IMPORTANT: Do not mix oil w/gasoline
because engine damage and poor perfor-
mance may result. Do not use premium gas,
gasohol, white gas or gasoline additives.
Unleaded gasoline is recommended; if not
available, use leaded regular gasoline.
1. Clean area around the fuel tank cap.
Remove cap from fuel tank and fill tank to
within 1/2 inch (13 mm) from the top with
gasoline. Reinstall fuel tank cap (Fig. 11).
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Because gasoline is flammable, caution
must be used when storing or handling
it. Do not fill fuel tank while engine is
running, hot or when unit is in an
enclosed area. Keep away from open
flame and electrical spark, and DO NOT
SMOKE while filling the fuel tank to
prevent the possibility of an explosion.
Always fill fuel tank outside and wipe up
any spilled gasoline before starting
engine. Use a funnel or spout to prevent
spilling gasoline,
and fill fuel tank to
about 1/2" (13 mm)
from the lop of the
tank, not the filler
neck. Store gasoline in a clean,
approved container and keep the cap in
place on the container. Keep gasoline in
a cool, well-ventilated place; neverin the
house. To assure volatility, do not buy
more than a 30 day supply of gasoline.
Gasoline is a fuel for Internal com-
bustion engines; therefore, do not use it
for any other purpose. Since many
children like the smell of gasoline, keep
it out of their reach because the fumes
are explosive and dangerous lo inhale.
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CHECK SNOWTHROWER OPERATION
Check snowthrower operation before using it
to blow snow. Familiarize yourself with the
controls and starting and stopping pro-
cedures: refer to Controls, page 9 and Starting
and Stopping instructions, page 10. If any
malfunction is noted, review Set-Up Instruc-
tions and check snowthrower again.
CONTROLS
Auger Drive Control (Fig. 12) — Control has
two positions: ENGAGE and DISENGAGE. To
engage auger and impeller, compress lever
against right handle grip. To disengage,
release lever.
Traction Control (Fig. 12) — To achieve
traction, lever must be compressed against left
handle grip. To stop traction, release lever.
Figure 12
Auger drive control
Traction control
Speed selector
Ignition switch
Discharge chute control
Fuel shut-off valve
Chute deflector handle
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Speed Selector (Fig. 12) — The control has
four positions: reverse, 1, 2 and 3. To change
speeds, move gear shift to position desired.
Lever will lock in notch at each speed
selection. Use positions 1, 2, and 3 depending
on snow conditions.
Ignition Switch (Fig. 12) — Switch has two
positions: ON and OFF. Rotate key to ON
before starting engine with the recoil starter.
To stop engine, rotate key to OFF.
Throttie (Fig. 13) — Moving the throttle
upward increases engine speed. Use only
enough engine speed to throw snow to the
place desired.
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Figure 13
Choke (model 3521)
Choke (model 521)
Primer
Throttle
Recoil starter
Aaah
Choke (Fig. 13) — Choke for engine is located
on heater box. Rotate choke to FULL choke
position to start a cold engine. As engine
warms up, move choke gradually to OFF.
Primer (Fig. 13) — Press primer to pump small
amount of gasoline into engine for improved
cold weather starting.
Fuel Shut-Off Valve (Fig. 12) — Valve is
located under fuel tank. Close valve to stop
fuel flow from fuel tank and open valve to allow
fuel to flow to the carburetor. Close valve when
snowthrower is not used.
Discharge Chute Control (Fig. 12) — Rotate
discharge chute control clockwise to mave
discharge chute to the left and counterclock-
wise to move chute to the right.
Recoil Starter (Fig. 13) — Recoil starter is on
back side of engine. Pull recoil starter to start
engine.
Chute Deflector Handle (Fig. 12) — Deflector
handle is on top of discharge chute and it is
used to control height of the snow stream.
STARTING AND STOPPING INSTRUCTIONS
TO START ENGINE:
Note: (Model 521 only) If engine is operated
when temperature is +40° F (4° C) or higher,
remove carburetor heater box (Fig. 14).
However, the heater box must be reinstalled
when temperature falls below +40° F (4° C).
To remove heater box:
A. Remove phillips screws and hex head
screw securing heater box in place. Pull
choke knob off choke rod (Fig. 14).
B. Lift heater box up and away from the
engine, and reinstall choke knob on
mounting pin.
Figure 14
1. Heater box 4. High tension wire
2. Phillips screws 5. Spark plug
3. Hex head screw
IMPORTANT: Check auger and impeller to
assure that both parts are not frozen solid, but
free to rotate. Also, make sure discharge chute
is not obstructed.
1. Push high tension wire onto spark plug
(Fig. 14).
2. Move throttle to FAST (Fig. 13).
3. Open fuel shut-off valve below fuel tank
(Fig. 12). :
4. Rotate choke to full choke position
(Fig. 13).
5. Rotate ignition key to ON (Fig. 12).
6. Depress primer (Fig. 13) five times.
7. Grasp recoil starter handle (Fig. 13) and
pull it out slowly until positive engagement
results; then pull vigorously to start the
engine. Keep firm grip on starter handle and
return the rope slowly.
Note: If engine does not start or if temperature
15 -10° F (-23° C) or below, additional priming
will usually be required.
8. After engine starts, immediately rotate
choke (Fig. 13) to 3/4 position. As engine
warms up, rotate choke to 1/2 position; then to
OFF position. If engine falters, return choke to
1/2 position. When engine warms sufficiently,
rotate choke to OFF position.
TO STOP ENGINE:
1. Release traction and auger drive control
(Fig. 12). ;
2. Move throttle to slow and rotate ignition
key to OFF (Fig. 13).
OPERATING INSTRUCTIONS
SNOWTHROWING TIPS
1. When snowthrower is not being used, close
fuel shut-off valve, and remove key from the
switch.
2. Remove snow as soon as possible after it
falls. This will produce best snow removal
results.
3. If snow will be removed from crushed rock
or gravel areas, adjust skids so bottom of
auger housing clears the rocks: refer to
Adjusting Skids, page 12.
4. For concrete or asphalt surfaces, adjust
skids so there is 1/8 inch (3.2 mm) between
10
bottom of auger and concrete or asphalt
surface.
5. Thesnowthrower is designed to clean most
of the snow down to the contact surface, but
there are times when front of snowthrower
may tend to ride up. If this happens, reduce
forward speed by shifting into a lower gear. If
front still tends to ride up, lift up on both
handles to hold down front of snowthrower.
6. Discharge snow downwind whenever
possible, and overlap each swath to assure
complete snow removal. If wheels slip, shift
into a lower gear which reduces forward
speed.
OPERATING INSTRUCTIONS
7. Normally, chains are not required; how-
ever, tire chains are recommended when the
wheels spin excessively.
8. Insome snow and cold weather conditions,
some controls and moving parts may freeze
solid. Therefore, when any control becomes
hard to operate, stop the engine; then check
all parts for freeze up. DO NOT USE
EXCESSIVE FORCE AND TRY TO OPERATE
THE CONTROLS WHEN FROZEN. Free all
controls and moving parts before operating.
MAINTENANCE
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a A A A CU SRE
ÁN cxumion
To prevent accidental starting of the
engine while performing maintenance,
rotate ignition key to off and remove it
from the switch, Next, pull high tension
wire off spark plug (Fig. 14) and make
sure wire does not accidentally touch
the plug.
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DRAINING GASOLINE
1. Close fuel shut off valve located under
engine.
2. Place a clean drain pan under shut off
valve.
3. Loosen hose clamp securing fuel line to
valve and slide line off valve.
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| Since gasoline is highly flammable,
} drain it outdoors and make sure engine
| iscoolto prevent a potential fire hazard.
| Wipe up any gasoline that may have
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spilled. Do not drain gasoline near any
open flame or where gasoline fumes
may be ignited by a spark. Do not smoke
a cigar, cigarette, or a pipe when
handling gasoline.
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4, Open valve allowing fuel to flow into drain
pan.
5. Reinstall fuel line and secure with hose
clamp.
LUBRICATING SNOWTHROWER
Lubricate the moving parts of the snow-
thrower after every 15 hours of operation.
1. Drain gasoline from fuel tank.
2. Tip snowthrower onto auger housing and
block it so it cannot fall. Now remove four
thread forming screws holding bottom cover
in place, and slide shield away from unit (Fig.
15).
Eu
Figure 15
1. Thread forming screws
3. Lightly lubricate points shown with SAE
10W-40 oil or grease (Fig. 16). Wipe up any
excess oil or grease.
4. Install bottom cover with four thread form-
ing screws.
IMPORTANT: Do not get oil or grease on
rubber wheel or friction drive plate because
the wheel will slip and rubber may deteriorate.
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Figure 16
11
MAINTENANCE
4. Put a drain pan below front of auger gear
box and remove pipe plug (Fig. 18).
CHANGING CRANKCASE OIL
Initially, change oil after the first 2 hours of
engine operation; thereafter, change oil after
every 25 hours of engine operation. If possible,
run engine just before changing oil because
warm oil flows better and carries more
contaminants than cold oil.
Note: Drain oil when fuel tank is empty to
prevent spilling gasoline.
1. Pull high tension wire off spark plug and
make sure wire does not contact plug
accidentally.
2. Puta two inch block under the right wheel
so snowthrower is tipped slightly to the side.
This will assure that all oil drains from
crankcase.
3. Cleanarea around oil drain cap. Next, slide
Oil drain pan below drain extension; then
remove oil drain cap (Fig. 17).
Figure 17
1. Oil drain cap
4. After all oil is drained, install oil drain cap.
Also, REMOVE BLOCK FROM UNDER
RIGHT WHEEL.
5. Position snowthrower on a level surface.
Next, fill crankcase with oil; use Fill Crankcase
With Qil, page 8. Wipe up any oil that may have
spilled.
CHANGING AUGER GEAR BOX OIL
Change auger gear box oil once a year. If
possible, run auger just before changing oil
because warm oil flows better and carries
more contaminants than cold oil.
1. Drain gasoline from fuel tank. Wipe up any
spilled gas.
2. Position snowthrower on a level surface.
3. Clean area around pipe plug (Fig. 18) so
dirt is removed.
12
Figure 18
1. Pipe plug
5. Tip snowthrower forward and hold it up
until all oil drains from the gear box.
6. Carefully let snowthrower down to its
normal position. Make sure it is on a level
surface. Next, fill auger gear box with 3
ounces (89 ml) of SAE 90 EP transmission oil,
or fill to point of overflow.
7. Install pipe plug in gear box (Fig. 18).
ADJUSTING SKIDS AND SCRAPER BLADE
When snowthrower will be used on concrete
or asphalt surfaces, adjust skids using steps 1
and 2. However, use only step 3 when snow-
thrower will be used on gravel or crushed rock
surfaces.
1. Move snowthrower to a level surface. Next, -
loosen four flange nuts (Fig. 19) securing both
skids to auger side plates. Skids must slide up
and down.
Figure 19
1. Skid :
2. Auger housing
MAINTENANCE
2. Adjust both skids so there is 1/8 of an inch
(3 mm) between bottom of auger and level
surface. When skids are adjusted correctly.
tighten flange nuts. Next, check scraper blade
that is mounted at bottom of auger housing
(Fig. 20). To adjust scraper, loosen five
mounting screws, level scraper, and retighten
screws. Scraper must be parallel with level
surface.
Figure 20
1. Scraper
2. Mounting screws
Note: Do not use step 3 if unit is to be used on
smooth or hard surfaces.
3. Loosen four flange nuts (Fig. 19) securing
both skids to auger side plates. Next, slide
skids down as far as possible so auger is as far
from level surface as skid adjustment allows;
then tighten flange nuts.
Note: If bottom scraper is excessively worn,
replace it.
ADJUSTING AUGER CONTROL IF UNIT
WILL NOT THROW SNOW
1. Measure the distance between the center of
handle and the tip of the auger control lever,
2. Remove cotter pin and clevis pin securing
clevis to lower control rod (Fig. 21).
3. Loosen jam nut and rotate clevis clockwise
to increase dimension measured by 1/4 inch.
4. Reinstall clevis pin, cotter pin and tighten
jam nut.
5. Check unit performance and repeat Steps 1
thru 4 as required.
Note: Do not increase dimension more than
necessary for satisfactory performance.
Figure 21
1. Cotterpin 3. Clevis
2. Clevispin 4, Jam nul
REPLACING AUGER/IMPELLER
DRIVE BELT
When auger/impeller drive belt (Fig. 23)
becomes worn, stretched, oil-soaked, or
otherwise defective, belt replacement is
required. E
1. Pull high tension wire off spark plug and
make sure it does not contact the plug
accidentally.
2. Remove two thread forming screws holding
belt cover in place, and set belt cover aside
(Fig. 22).
Figure 22
1. Belt cover
13
MAINTENANCE
3. Remove auger drive belt from engine pulley
and large auger/impeller pulley (Fig. 23).
Figure 23
1. Traction drive belt
2. Auger/impeller drive belt
4. Install new belt around large auger/
impeller pulley (Fig. 23). Next, loop belt over
engine pulley, making sure that belt is on
inside of idler pulley and wire belt guide
(Fig. 23).
5. Install belt cover with two thread forming
screws.
REPLACING TRACTION DRIVE BELT
When traction belt becomes worn, stretched,
oil-soaked, or otherwise defective, belt re-
placement is required.
1. Pull high tension wire off spark plug and
make sure it does not contact the plug
accidentally. Drain gasoline from fuel tank.
2. Remove two thread forming screws holding
belt cover in place, and set belt cover aside.
(Fig. 22).
3. Remove auger/impeller drive belt: refer to
Replacing Auger/Impeller Drive Belt, page 13.
4. Tip snowthrower onto auger housing and
block it so it cannot fall. Remove rear shield
and disconnect spring from side plate
(Fig. 24).
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Figure 24
1. Spring
5. Set unit upright and remove traction drive
belt from engine pulley and large traction
pulley (Fig. 23).
6. Install new beltaround large traction pulley
(Fig. 23). Next, loop belt over engine pulley,
making sure that belt is on inside of traction
idler pulley and wire belt guide (Fig. 23). Tip
snowthrower onto auger housing, block it and
hook spring ento side plate (Fig. 24). Replace
rear shield and set unit upright.
7. Replace auger/impeller drive belt: refer to
Replacing Auger/Impeller Drive Belt, item 4-5.
ADJUSTING TRACTION DISC
If snowthrower does not drive in reverse or
forward speeds, an adjustment is required.
1. Loosen locknuts securing upper traction
control rod to lower traction control rod
(Fig. 25).
Figure 25
Upper locknut
Lower locknut :
Upper traction control rod
Lower traction control rod
Blo ho ~
MAINTENANCE
2. Adjust upper locknut (Fig. 25) until there is
approximately 6 inches (15 cm) between the
center of the handle and the tip of the traction
control lever (Fig. 26).
Figure 26
1. Traction control lever
2. Approximately 6 inches (15 cm)
3. Test run unit to check adjustment. Repeat
adjustment, if necessary, in 1/2 inch (13 mm)
increments.
ADJUSTING SPEED SELECTOR
If there is slow or no ground speed in No. 1
speed selection, or speed selector cannot be
moved into No. 3 speed selection, an adjust-
ment of the speed selector linkage is required.
1. Remove four thread forming screws secur-
ing bottom cover to frame. Remove bottom
cover (Fig. 27).
Figure 27
1. Four thread forming screws
2. Loosen flange nuts securing selector plate
to escutcheon plate. This allows selector plate
to move freely for adjustment (Fig. 26).
Figure 28
1. Speed selector plate flange nuts
3. Shift speed selector to third gear and push
down on speed selector plate to move drive
assembly to the right. Drive assembly should
contact roll pin; if not, push to the right to
make a contact (Fig. 29).
2
en A
Figure 29
1. Roll pin 2 Drive assembly
4. With drive assembly in the farthest right
position contacting roll pin, tighten flange
nuts securing speed selector plate.
5. Shift speed selector to R (REVERSE) and
back to third to check adjustment. If space
between roll pin and drive assembly is more
than 1/16 ofaninch (1.6 mm), repeat steps 2, 3
and 4. |
6. Reassemble bottom cover.
15
MAINTENANCE
REPLACING SPARK PLUG
Correct spark plug to use is a Champion RJ-
17LM or Autolite ARVN, and correct airgap is
0.030 of an inch (0.76 mm). Since air gap
between center and side electrodes of the
spark plug increases gradually during normal
engine operation, install a new plug after
every 25 hours of engine operation.
1. Clean area around spark plug so foreign
matter cannot fall into cylinder when plug is
removed.
2, Pull high tension wire off spark plug and
remove plug from cylinder head.
IMPORTANT: A cracked, fouled, or dirty spark
plug must be replaced. Do not sand biast,
scrape, or clean electrodes, because grit may
eventually release from the plug and fall into
the cylinder. The result will likely be engine
damage.
3. Set air gap between electrodes of new
spark plug at 0.030 of an inch (0.76 mm),
(Fig. 30). Next; install spark plug in cylinder
head. Tighten plug to 15 ft-Ib (20.4 N-m). If
torque wrench is not used, tighten plug firmly.
= L 0.030"
(0.76 mm)
Figure 30
4. Push the high tension wire onto spark plug.
ADJUSTING CARBURETOR
The carburetor has been adjusted at the
factory, but an occasional adjustment may be
required. However, do not make unnecessary
carburetor adjustments because factory
settings are usually satisfactory.
1. Remove carburetor heater box; use
Starting and Stopping Instructions, paragraph
one, steps A & B page 10.
IMPORTANT: Do not close power adjusting
screw too tight because the screw and seat
will likely be damaged.
2. Power adjusting screw (Fig. 31) — Close
screw by gently rotating it clockwise until a
slight seating resistance is felt. Next, rotate
16
power adjusting screw 1 full turn — 360° —
counterclockwise.
Figure 31
1. Power adjusting screw
2, Idle mixture screw
3. Idler speed screw
IMPORTANT: Do not close idle mixture screw
too tight because the screw and seat will likely
be damaged.
3. ldle mixture screw (Fig. 31) — Close screw
by gently rotating it clockwise until a slight
seating resistance is felt. Next, rotate idle
mixture screw 1'% full turns counterclockwise.
Note: The settings for the power adjusting
screw and the idle mixture screw are approxi-
mate; however, these settings will allow
engine to be started so carburetor can be fine
tuned — steps 4-7.
4. Start engine and let it warm up for
approximately 3 to 5 minutes; then move
throttleto FAST.
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Engine must be running so final adjust-
ment of the carburetor can be per-
formed. To guard against possible
personal injury, stay clear of auger drive
and wheel drive controls, and remember
to keep hands, feet, face, and other parts
of the body away from muffler, auger,
discharge chute, and any moving
part(s). | |
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MAINTENANCE
5. Rotate power adjusting screw (Fig. 31)
clockwise — in — 1/8 turn at a time until
engine misses because of a lean gasoline
mixture. Then rotate screw counterclockwise
— out — 1/8 turn at a time until engine runs
unevenly because of a rich gasoline mixture.
Next, rotate power adjusting screw clockwise,
back to the midpoint between the rich and
lean setting so engine runs smoothly.
Note: Wait several seconds between each 1/8
turn setting so engine can adjust to the new
fuel mixture.
6. Move throttle to idle speed. Next, rotate idle
speed screw (Fig. 31) until engine idles fast
—1750 rpm.
7. Rotate idle mixture screw (Fig. 31) clock-
wise — in — 1/8 turn at a time until engine
begins to miss because of a lean mixture.
Then rotate screw counterclockwise — out —
1/8 turn at a time until engine runs unevenly
because of rich mixture. Next, rotate idle
mixture screw clockwise, back to the mid-
point between rich and lean setting.
Note: Wait several seconds between each 1/8
turn setting so engine can adjust to the new
fuel mixture.
8. Again, rotate idle speed screw (Fig. 31)
until engine idles at 1750 rpm.
9. Check carburetor adjustment by quickly
moving throttle from low speed 10 high speed.
Engine should accelerate without hesitation
or sputtering. If engine does not accelerate
properly, adjust carburetor to a slightly richer
mixture. Also, if engine falters under load,
open power adjusting screw 1/8 turn counter-
clockwise.
10. After carburetor is adjusted, shut engine
off. install carburetor heater box.
PREPARING SNOWTHROWER
FOR STORAGE
1. Drain gasoline from fuel tank, refer to
Draining Gasoline, page 11. Wipe up any
gasoline that may have spilled.
2. Start the engine and let it run until it stops
because there is no gasoline in the fuel
system. When engine sputters, push choke
down so fuel in carburetor is expended.
3. Remove spark plug from cylinder head.
Next, pour two teaspoons of SAE 30 engine oil
into spark plug hole in cylinder head. Install
spark plug in cylinder head, but do not install
high tension wire on the plug. Then pull recoil
starter slowly to distribute oil on inside of
cylinder.
4. Lubricate the snowthrower: refer to
Lubricating Snowthrower, page 11. Change
crankcase oil: refer to Changing Crankcase
Oil, page 12.
5. Clean the snowthrower. Touch up chipped
surfaces with paint. Sand affected areas
before painting, and use a rust preventative to
prevent metal parts from rusting.
6. Tighten all screws and nuts. If any part is
damaged, repair or replace it.
7. Store snowthrower in a clean, dry place,
and cover it to give protection.
8. If snowthrower is equipped with the
optional, drift breaker storage bar, the snow-
thrower may be stored in upright position.
Make sure to drain gas before tipping snow-
thrower upright on auger housing.
IDENTIFICATION AND ORDERING _
MODEL AND SERIAL NUMBERS
The snowthrower has two identification
numbers: a model number and a serial
number. The two numbers are stamped on a
decal which is located on rear housing
between handles. In any correspondence
concerning the snowthrower, supply model
and serial numbers to assure that correct
information ena replacement parts are
obtained.
To order replacement parts from an Author-
ized TORO Service. Dealer, supply the
following information:
1. Model and serial numbers of the snow-
thrower.
2. Part number, description, and quantity of
part(s) desired.
Note: Do not order by reference number if a
parts catalog IS being used; use the PART
NUMBER.
17
MAINTENANCE RECORD
Date
Hours Used
Oil Change
Lubrication
Summer
Storage
Fall Service
Spark
: a
Plug
Gap
18
MAINTENANCE RECORD
Date
Hours Used
Oil Change
Lubrication
Summer
Storage
Fall Service
Spark Plug
Gap
VET-628
19
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|
№
|
-
Residential Product .
or TORO Distributor,
Should you fesl your TORO is defective and wish to reiy
on Tha Toro Promise, the following procedure la récom-
mended:
a a
1. Contact any Authorized TORO Service Dealer, TORO
Master Service Dealer, or TORO Distributor (the Yellow
Pagas ol Your telephone directory le a dodo reference
source).
VAY PAY,
2. Ha will either instruct you to return the product to him
or recommand another Authorized TORO Service outlet
which might ba more convenient.
я. Bring the product slong with your original sales slip, or
Other evidence of purchase date, to tha service desier,
QUAUA
4. The servicing dealer will inspect the unit, advise you
whether tha product is defective and, if so, make all
repairs necessary to correct the defect without extra
charge to you.
if for any reason yOu ard dissatisfied with the dealer's analy:
six Of the defect or che service performed, you may contact
us.
Write:
TORO Customer Service Department
8111 Lyndale Avenue South
Minneapolis, Minnesota 554720
The abova remedy of product defects through repair by
an Authorized TORO Service Desler is the purchaser's sole
remady for any defect.
THERE IS NO OTHER EXPRESS WARRANTY. ALL
IMPLIED WARRANTIES OF MERCHANTABILITY AND
VALE EEE.
Residential Products Used Commerciatly Elsie" og
AAA ONIN NAV: Y
+ " ¥
The Toro Promise
A Two Year Limited Warranty
On All
Gasoline Powered Consumer Products
The Toro Company promises to repair these TORO Products if defective in materials
or workmanship. The following time periods from the date of purchase apply:
vw awe ow Years
45 Days
The costs of parts and labor are included, but the customer pays the transportation
costs. Just return any residential product to an Authorized TORO Service Dealer
FITNESS FOR USE ARE LIMITED TO THE DURATION
OF THE EXPRESS WARRANTY,
Some states do not allow limitation on how long implied
warranty last, 10 the above limitation may not apply to
vou.
This Warranty appliss only to parts or components which
are defective and dows not cover repairs necemary due to
normal ‘waar, misuse, accidents, or lack of proper mainte-
nance, Asgular, routine maintanance of the unit to keep
it in proper operating condition is the responsibility‘ of the
"TEE,
Al warranty repair reimbursable under The Toro Promise
must be performed by an Authorized TORO Sarvice Dealer
using Toro approved replacement parte.
Repmirs of attempted repairs by anyone other than an Au-
thorized TORO Service Account aré not reimburtable under
The Toro Promise. In addition, these unauthorized repair
aftempts may result im additional malfunctions, the cor:
reaction of which la not covered by warranty.
Tha Taro Company is not liable for indirect, incidental
or comeguential damages in connection with the use of the
product including any cost or expanses of providing sub.
atitute equipment or service during pario: af mailfunctión
©г поп-цве.
Some states da not allow the exclusion of incidental or
consequential damages, 30 tha above exclusion may not -
apply to you,
This warranty gives you specific legal rights, and you may
algo have other rights which vary from state to state.
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=
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£ NOOO
il
Customers who have purchased TORO products exported
from the United States or Canada should contact their
TORQ Distributor (Dealer) to obtain guarantes policies
for your country, province Or state, If tar any reason
COUNTRIES OTHER THAN THE UNITED STATES OR CANADA
vou are dissatisfied with your Distributors service or
have difficulty obtaining guerantes information, contact
the TORO importer,
contact us at The Toro Company,
It all other remedies fail, you may
Complisnce with Radio Interferences Regulations Caer Litied,
Cartitie Contorme su Regiment sur le Browllags Radioslectrigue,
Litho in LLS.A,
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