Toro 520-H Garden Tractor Riding Product Operator's Manual

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500 Series
Hydrostatic
Garden Tractor
Wheel Horse:
Operator's Manual
Specifications
Operating Instructions
Maintenance Information |
Part Number 810729R1
~ FOR YOUR SAFETY
Two of the most potentially serious types of accidents and follow these instructions. Also refer to the Safe
involving power mowers are contact with the mower Operation Practice in this Operator's Manual for other
blade and overturning the rider/tractor. To minimize important safety information.
_ the possibility of having these types of accidents, read
FOR BEST PERFORMANCE:
* FOLLOW OPERATOR'S MANUAL INSTRUCTIONS * CLEAN UNDERSIDE OF MOWER FREQUENTLY
* OPERATE ENGINE AT FULL THROTTLE * KEEP MOWER BLADES SHARP AND BALANCED
* CHECK AND ADJUST MOWER LEVEL PERIODICALLY « KEEP P.T.0. AND BELTS ADJUSTED
BEFORE EACH USE:
* CHECK TY INTERLOCK SYSTEM В || ISSION OIL LEVEL (AUTOMATIC)
+ CHECK ak OIL LEVEL . CHE GENERAL A AUS IH EE
+ CHECK ERY WATER LEVEL . E CHAFF SCREEN
EVERY 25 HOURS:
» CHECK TIRE PRESSURE: INFLATE TO 12 P.S.1. < CHECK TRANSMISSION OIL LEVEL (8 SPEED)
* CHECK FASTENERS: IN PLACE AND TIGHT * LUBRICATE CHASSIS AND FRONT WHEELS
* SEE OPERATOR'S MANUAL FOR OIL CHANGE, OIL FILTER 8 AIR FILTER SERVICE INTERVAL
LOCATED ON REAR OF HOOD - DECAL PART NUMBER 116544
RIDER/TRACTOR STABILITY
ALWAYS:
Vehicle stability changes with conditions - Use good judgement when operating the rider/
a . | tractor, especially on slopes.
and is affected by: * Maintain the vehicle in good operating condition.
» Slope angle and length/bumps/holes, etc. » Be attentive to changing conditions affecting
» Slippery conditions (lawn moisture and length) vehicle stability.
* Operator size and position/how loaded/ |
equipmentused NEVER:
* Speed/braking/steering changes
* Operator physical limitations/alertness Operate vehicle on extreme slopes.
» Operate vehicle across slopes.
» Abruptly change speed or direction.
A DANGER TO AVOID INJURY
NEVER MOW NEVER MOW NEVER MOW
SIDE HILL UP HILL SLOPE
OVER 5° OVER 10° OVER 15°
STOP BLADE & BACK SLOWLY IF MACHINE STOPS GOING UPHILL « NEVER MOW NEAR PEOPLE
e NEVER USE WHEN UNDER INFLUENCE OF DRUGS OR ALCOHOL » NEVER CARRY PASSENGERS
* SET PARKING BRAKE & REMOVE KEY IF LEAVING MACHINE AVOID SLIPPERY OR STEEP AREAS
AVOID BLADE UNLESS BLADE & ENGINE ARE STOPPED » USE SAFELY; MACHINE IS NOT A TOY
* KNOW LOCATION AND FUNCTION OF CONTROLS REMOVE POTENTIAL THROWN OBJECTS
o KEEP SAFETY DEVICES IN PLACE AND WORKING * LOOK BEHIND MACHINE BEFORE BACKING
READ OWNER'S MANUAL
LOCATED ON HOODSTAND UNDER STEERING WHEEL - DANGER DECAL PART NUMBER 112670
CT HE
DANGER! Mower Blades are Designed
to CUT: therefore,
ALWAYS: OPERATE ONLY WITH DEFLECTOR
— OR CATCHER IN PLACE
* Shut off engine and set parking brake.
* Remove ignition key.
* Allow moving parts to stop before dismounting,
servicing, or cleaning unit. U DANGER
NEVER:
KEEP HANDS and FEET AWAY
* Perform ANY work on the mower with engine
running.
* Mow with other people around, especially children.
* Leave mower unattended.
4 | \
1) 3:8 TO AVOID INJURY
x | “Ра
mM SP
® KEEP HANDS AND FEET CLEAR OF BLADE AT ALL TIMES.
* NEVER ASSUME BLADE IS STOPPED.
* STOP ENGINE BEFORE LEAVING OPERATOR POSITION.
LOCATED ON MOWER DEFLECTOR AND CUTTER DECK
* USE CARE - DO NOT RELY ON SAFETY SYSTEMS. DECAL PART NUMBER 54-9220
* SAFETY INTERLOCK SYSTEMS CAN FAIL-CHECK BEFORE
EACH USE - SEE OPERATOR'S MANUAL FOR DETAILS.
*DO NOT OPERATE UNLESS SAFETY SYSTEM WORKS.
N
LOCATED ON FRAME PLATE UNDER STEERING WHEEL
DECAL PART NUMBER 78-8470
(
ROTATING BLADES UNDER ENTIRE MOWER DECK.
KEEP HANDS and FEET AWAY.
SR ETE dE DANGEROUS.
KEEP DEFLECTOR IN PLACE. KEEP BYSTANDERS AWAY.
LOCATED ON MOWER DEFLECTOR AND CUTTER DECK
DECAL PART NUMBER 66-1340
DECALS WITH LOCATIONS
HAND PUSH ONLY
DO NOT TOW:
HIGH BACK SEATS
| TRANSMISSION DAMAGE (11" OR TALLER) REQUIRE
HEAVY COIL LIFTER SPRINGS
MAY RESULT (BLACK) FOR PROPER SEAT
SWITCH ACTUATION
UNDER SEAT - PART NUMBER 116446
UNDER SEAT SPRINGS
PART NUMBER 114296
PARKING
BRAKE
TO ENGAGE: Cae os Jam |i
© DEPRESS PEDAL ON TOP OF INSTRUMENT PANEL |
PARK À MOTION
sou) LEVER
AIR |
FILTER J
eHOLD LEVER UP PART NUMBER 78-8350
RELEASE PEDAL NS
TO DISENGAGE:
DEPRESS PEDAL
LEFT SIDE ON FRAME PLATE NEXT TO PARKING UNDER STEERING WHEEL ON HOODSTAND
BRAKE CONTROL - PART NUMBER 116445 PART NUMBER 119230
DO NOT OPERATE WITH Te |
BATTERY | ER | N N ECTE D. ON HYDRAULIC LIFT LEVER ONMOTION CONTROL LEVER
DAMAGE T0 ELECTRICAL PART NUMBER 116634 PART NUMBER 116635
SYSTEM WILL RESULT.
ON RIGHT INSIDE HOODSTAND NEXT TO BATTERY |
PART NUMBER 111926 /
а
ЕМСАСЕ
a
ADANGER
ROTATING PARTS
WILL CUT FINGERS.
KEEP HANDS AWAY.
ON RIGHT REAR AXLE
PART NUMBER 116235
CLUTCH
DISENGAGE
| 111960
UNDER THROTTLE ON HOODSTAND ON LEFT AND RIGHT MID-HITCH
PART NUMBER 111960 PART NUMBER 115197
Attach-A-Matic
No Tools Needed
CONTENTS
GENERAL SAFETY SUGGESTIONS .... i-iii
- TRACTOR SPECIFICATIONS ............ccc..... 1
MODEL AND SERIAL NUMBER
OWNER REGISTRATION & WARRANTY .. 2
nn... 2
PARTS MANUAL ...................eennoooncecoconanas 2
INSTRUMENTS AND CONTROLS ........ 3-4
OPERATING TRACTOR ..................eeonnnes 5-7
— Safety Intelock System conenaaaaareneananenmnnema 5
Seat Control ................ssevesesnesesen nene. 5
Parking Brake ..............eeaccucazaceonveneoenenncnaa 5
Correct Engine Operation ...........-.......... 5
Starting Engine ..................eeeesmeererrereneo.s 5
Stopping Engine ..................eeeerecaccereanas 6
Trottle Control .................e.e.ee.es meme. 6
Choke Control ...................eeennereereriieeceos 6
Fuel Recommendations .....................w.. 6
Oil Specifications ee 6
Correct Hydrostatic Transmission
Operation …...…...……errressarencersencenansseuesanaeue 6
To Go Forward aanssna ra ee seen sen e 00e 7
— To Go Backward esse 7
TO Stop coerce 7
Hand Push Tractor ....................eeeseereroos 7
CORRECT TRACTOR USAGE .............. 8-9
Attachment Mounting
HItCheS «cere cone cenreuns 8
Attachment Belts .....................eonevccrzonon. 8
Operation of Tractor
With Mower esse ERREGER anne
With a Snowthrower
With a Snow, Dozer or Grader Blade ....
With @ Tiller ….….….…..…..........erccsreensencrcnares
With a Plow, Disc, Cultivator or Harrow .. 9
With Other Attachments 10
MAINTENANCE .….………cssemseseseenanencenuuues 11-17
Maintenance Checklist m... 11
Engine .......w=es=e=acecscconeonnenenancaneananae nene. 11
Cooling .............e..e..e.... eenioaaacaceneraneamen 11
Oil Quality ........ aanacasarsreneneee nanas es rene 11
Oil Level..….….…......…...…….errsrrereersmesssssneneue 11
Oil Changes .................e.e.eeesevencccerreerene. 12
Air FIRE cece, 12
Crankcase Breather............... e... 13
Spark Plug .............e..eeessverrercerocaconoceres 13
Carburetor Adjustment......... enericocenrenmen 13
Fuel System .............e...eeerccuccccacaerer eee. 14
Exhaust System ...............e.e.eesesuricconeees 14
Charging and Electrical Systems .. 14-15
Alternator ....................e.e.oerererereeee eee. 14
Main Fuse ................e..eesrnicironeree eee, 14
Light Circuit FUse .....................enn exe... 15
Gage Circuit Fuse ..................ee.mveevccen.. 15
Battery rece eee 15
Light Bulb Replacement........................ 15
Hydrostatic Transmission............... 15-16
Oil Quality ..................eeececoceaaonorror een. 15
ON 15
Oil Changes are nenne EEE EEG 16
Cooling Fan esse EEE RR RE 16
Oil Filter cue eee 16
Chassis Lubrication mussen nennen 16
PTO Clutch and Brake Adjustment...... 17
Foot Brake Adjustment vu 17
Cleaning and Storage vun 17
TROUBLESHOOTING CHECKLIST .. 18-19
WIRING DIAGRAM ............m...m..neenennan nm. 20
carefully.
A CAUTION A
This symbol marks important instructions relating to your personal
safety. To avoid the possibility of injury, read and follow such instructions
When the manual refers to the left or right side of the vehicle, it
means your left and right when sitting in the driver's seat.
SAFE OPERATION PRACTICES — RIDING VEHICLES
GENERAL
1.
This machine is capable of amputating hands
and feet and can throw objects that can cause
injury and damage. KNOW the controls and how
to stop machine quickly. READ THIS OPERATOR'S
MANUAL and instructions furnished with attach-
ments. Read, understand, and obey all safety
messages appearing on the machine and in the
operator's manual. LEARN from your operator's
manual and from careful EXPERIENCE how to
operate your equipment correctly. Know your
machine’s limitations.
Keep hands, feet, hair and loose clothing away
from attachment discharge area, underside о?
mower deck or any moving parts while engine
is running.
3.
The use of drugs or alcohol while operating any
equipment will place your safety in peril. Do not
attempt operation of this machine while taking
drugs or medication or while drinking alcoholic
beverages.
Only responsible persons with mature judgment
and proper physical capabilities should be al-
lowed to operate this machine, and only after
instruction in the proper use of this equipment.
Do not allow children to operate machine.
Do not carry passengers.
. The purpose of this machine is to perform work.
This equipment is not intended for sport or re-
creation,
Do not mow when people or pets are around.
13.
14.
15.
16.
17.
Clear work area of objects (wire, rocks, etc.)
which might be picked up and thrown.
Take all possible precautions when leaving ve-
hicle unattended, such as disengaging power-
take-off, lowering attachments, shifting into neu-
tral, setting parking brake, stopping engine and
removing key.
Watch out for traffic when crossing or near road-
ways.
Machine and attachments should be stopped and
inspected for damage after striking a foreign
object. Damage should be repaired before re-
starting and operating equipment.
Do not change engine governor settings or over-
speed engine.
Wear appropriate protective clothing when op-
erating equipment. Long pants and substantial
footwear, not barefoot or open sandals, are es-
sential.
Do not operate equipment unless properly seat-
ed with feet on footrests or pedals.
Keep your eyes and mind on your machine, at-
tachment and the working area. Do not let other
interests distract you.
Safety switch(es) are intended to stop or prevent
starting of engine to help prevent accidents.
OPERATOR SHOULD TAKE PRECAUTIONS AND
NOT RELY ENTIRELY ON SAFETY SWITCH(ES).
Care should be used not to touch equipment or
attachment parts which may be hot from opera-
tion. Muffler and nearby areas may exceed 150°
F. Allow cooling to occur before attempting to
maintain, adjust or service.
Use of stereo headphones, ear protection or
other sound altering/dampening devices may
limit your ability to hear warning sounds (horns,
shouts, etc.).
FUEL / FIRE PRECAUTIONS
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
Handle gasoline with care — it is highly flam-
mable.
Use approved gasoline container. Place container
out of reach of children.
Use gasoline only as a fuel — never as a clean-
er.
Never remove fuel cap or add gasoline to a
running or hot engine, or an engine that has not
been allowed to cool for several minutes after
running.
Never fill fuel tank indoors. Wipe up spilled gas-
oline.
Open doors if engine is run in garage — exhaust
fumes are dangerous. Do not run engine indoors.
Do not fill machine with gasoline while smoking
or when near open flame or sparks.
Never store equipment with gasoline in the tank
inside a building where fumes may reach an
open flame or spark.
Allow engine to cool before storing in any en-
closure.
To reduce fire hazard, keep engine and attach-
ments free of grass, leaves or excessive grease.
Battery acid is a poison and can cause burns.
Avoid contact with skin, eyes and clothes and
31.
protect your face, eyes and clothing when work-
ing around the battery. |
Battery gases can explode. Keep cigarettes, sparks
and flames away from battery.
EQUIPMENT USE AND OPERATION
32.
- 33.
34.
35.
36.
37.
38.
39.
40.
41.
It is recommended that first operation of equip-
ment be done at a slow speed with attachment
disengaged. Continue this practice until operator
is thoroughly familiar with the controls and has
developed operating skills.
Disengage all attachment clutches, set parking
brake and shift into neutral before attempting
to start engine.
Disengage power fo attachment(s), set parking
brake and stop engine before leaving operator
position.
Disengage power to attachment(s) and stop en-
gine before making any repairs or adjustments.
Disengage power to attachment(s) when trans-
porting or not in use.
Disengage attachment clutch before attempting
to remove the mower from a hole or other ob-
struction.
Disengage power to attachment(s) before back-
ing. Do not mow in reverse unless absolutely
necessary and then only after careful observation
of the entire area behind the machine.
LOOK behind machine to make sure the area is
clear before placing the transmission in reverse
and continue looking behind while backing.
Always back up loading ramps and tilt bed trail-
ers.
The parking brake is designed to hold tractor in
place at rest, with engine off. Parking brake
will not restrain tractor with engine running and
transmission engaged.
STABILITY /TIPOVER/ TRACTION
42.
43.
44,
45.
46.
47.
Know the terrain on which you are operating
your equipment. There are areas on which your
equipment can not be safely operated.
Avoid operating equipment on hillsides, slopes
or rough terrain. DO NOT operate machine on
hillsides or slopes exceeding 15% (27% grade).
If safety is in doubt — STAY OFF THE SLOPE.
Reduce speed and exercise extreme caution on
slopes above 10° (18% grade) to prevent tipping
or loss of control. Never mow uphill on these
slopes — mow downhill only. If a steep hill must
be ascended, back up the hill, and drive forward
down the hill, keeping tractor in gear. If neces.
sary to turn on hill, always turn downhill.
Mow up and down the face of slopes greater
than 5° (9% grade), never across the face. Be
especially cautious when changing directions on
all slopes.
Operate your machine smoothly and at a ground
speed slow enough to insure complete control
at all times. Avoid erratic operation and exces-
sive speed.
Sharp turns on any terrain may cause loss of
control. Reduce speed and use caution when
making sharp turns,
48.
49.
50.
51.
52.
53.
54.
Do not stop or start suddenly when going uphill
or downhill. Avoid uphill starts. If machine is
stopped going up a slope, turn the attachment
off and back slowly down the slope keeping the
machine in gear. Do not stop or change gears
(speed) on slopes.
Know the terrain on which you are working. Find
hidden obstacles by walking through and inspect-
ing the area prior to operating your equipment
in that area. Plainly mark obstacles, such as
rocks, ruts or holes and stay well clear of these
obstacles when operating.
While operating, stay alert for holes, rocks or
roots, which may cause damage to equipment or
upset. Keep at least 3 ft. away from drop-offs,
ditches, creeks, culverts, washouts and public
highways.
Exercise care when mowing around a fixed ob-
ject to prevent the equipment or attachment from
striking the object. When mowing never deliber-
ately run over any foreign object.
Areas wet with dew, rain or snow will be more
slippery than when dry. Areas covered with loose
gravel are more slippery than firm dry ground.
Greater stopping distances are required in these
slippery areas.
Learn to expect changes in operating conditions.
Adding or removing attachments or weight to
your equipment will make your machine perform
differently. Rain, snow, loose gravel, wet grass,
etc., change the tractive conditions of the terrain
requiring changes in your operating technique,
which may include a decision not to operate on
that terrain.
Use care when pulling loads or using heavy
equipment.
A. Use only approved drawbar hitch points.
B. Limit loads to those you can safely control.
C. Do not turn sharply. Use care when backing.
D.
Use counterweight(s) or wheel weights when
suggested in operator's manual.
ATTACHMENT USE
55.
56.
57.
58.
59.
When using attachments never direct discharge
of material toward bystanders nor allow anyone
near vehicle while in operation.
When using machine with mower:
A. Mow only in daylight or in good artificial
light.
B. Never make a cutting height adjustment while
engine is running if operator must dismount
to do so.
C. Shut engine off when unclogging chute.
D. Check blade mounting bolts for proper tight-
ness at frequent intervals.
Keep hands and feet away from rotating blade(s)
underneath mower deck. Never place foot on
ground when mower is engaged or when mower
is in motion.
DO NOT operate mower attachment without the
chute deflector or complete bagger in place.
Exercise care while maneuvering with grass
catcher. Front to rear stability may change.
E
—
60.
61.
62.
63.
64.
65.
When using machine with snowthrower and aug-
er becomes plugged or jammed:
A. Declutch snowthrower and stop tractor en-
gine immediately.
B. Disconnect spark plug wire(s).
C. Clear snow from discharge chute if plugged.
D. If auger is jammed, remove foreign object
and repair any damage to snowthrower be-
fore continuing.
E. Reconnect spark plug wire(s) and resume
operation.
Never permit anyone to stand near snowthrower
auger or discharge opening. Objects may be
present in snow, which when thrown, could cause
injury.
When using snow/dozer blades:
A. Avoid hitting solid objects. This can dam-
age blade and injure operator.
B. Always travel at a safe, slow speed.
Keep all persons a safe distance away when
operating tillers. Always disengage the PTO, low-
er the attachment and remove the ignition key
before making any adjustments.
If tiller starts to push tractor, disengage PTO
clutch immediately.
Use chains, counterweight(s) or wheel weights
when suggested in the operator's manual.
MAINTENANCE
66.
67.
68.
69.
70.
71.
72.
73.
Keep all nuts, bolts, fasteners and screws tight
to be sure equipment is in safe working condi-
tion and check them frequently. Repair or replace
worn, damaged, distorted or broken parts as
needed.
Keep vehicle and attachments in good operating
condition and keep safety devices in place and
working.
Under normal usage, grass catcher bag material
is subject to deterioration and wear. It should be
checked frequently to determine need for bag
replacement.
Use only genuine Wheel Horse replacement parts
to assure that original standards are maintained.
Shields, deflectors, switches, blade controls and
other safety devices must be in their proper po-
sition and functional.
Do not operate without muffler or tamper with
the exhaust system. Damaged mufflers or spark
arresters can create a fire hazard. Periodically
inspect and replace if necessary.
If equipment begins to vibrate abnormally, dis-
engage power to attachments and stop engine
at once. Repair any damage before starting or
continuing operation.
Periodically inspect all shafts, levers, friction de-
vices and other moving parts subject to wear.
Make required adjustment or replace these parts
if damaged, distorted or broken, or as soon as
wear affects the normal operation of the vehicle
or attachment. DO NOT operate equipment that
is not functioning properly.
SPECIFICATIONS
ENGINE:
TRACTOR ENGINE RATED DISPLACEMENT - BORE STROKE IGNITION
MODEL MODEL* Н.Р.** cu. in./cc in./mm - in/mm . ,
520-H — P-220-G 110955 20 47.7/782 = 3.25/826 — 288/73 "Electronic
*Letter Prefix: O = TORO POWER PLUS Basic engine mode! number shown; type and serial numbers from engine |.D. plate are required to completely identify engine.
**Engine manufacturer's rating at 3600 RPM
TRANSMISSION: TYPE: HYDROSTATIC
APPROXIMATE GROUND SPEEDS (at FullThrottle)
FORWARD - Variable 0-5.6 mph (9.0 kph)
REVERSE - Variable 0-3.4 mph ( 5.5 kph)
ELECTRICAL SYSTEM:
ALL MODELS
Type: 12 Volt D.C., Negative Ground
Alternator: 12 Volt, 20 amp. Regulated
Battery: 12 Volt, 280 CCA
TIRES:
SIZES - FRONT SIZES - REAR PRESSURE - FRONT PRESSURE - REAR
520-H | 16 X 7.50-8 23 X 10.50-12 12 psi (.85 kg/cm?) 12 psi (.85 kg/cm?)
PHYSICAL DATA:
MODEL HEIGHT LENGTH OVERALL WHEEL INSIDE NET WEIGHT
| | WIDTH BASE TURNING RADIUS (Approximate)
520-H 47.5 in. 67.0 in. 40.5 in. 47.5in. 31 in. 664 Ibs. |
(120.7 ст) (170.2 ст) (102.9ст) (121.0 ст) (78.7ст) (302 Ка)
TUNE-UP/GENERAL MAINTENANCE SPECIFICATIONS:
ENGINE: |
POINT TIMING IGNITION SPARK SPARK DIRECTION IDLE GOVERNED
MACHINE GAP MARK TIMING PLUG PLUG GAP OF ROTATION RPM MAX. RPM
MODEL in/mm LOCATION (BTDC) TYPE* in./mm | (No Load) (No Load)
520-H N/A N/A Fixed RS14YC .025/.64 Counterclockwise 1400 . 3600
* Or equivalent (Champion number shown)
LUBRICANT/FUEL CAPACITIES:
CRANKCASE: FUEL TANK: CHASSIS:
1.7 qts. (1.6 L) | 3 QTS. (8.6 L) — Grease Fittings : 11
MODEL AND SERIAL NUMBER LOCATIONS
Model and Serial numbers are used to identify your new tractor and major attachments. These numbers
should always be referred to when consulting dealer or factory concerning service, parts, or other information you
may require. If these plates are removed during repair operations, they should always be replaced.
Tractor model and serial number plate is located just below seat on rear fender.
Engine identification numbers are located on engine shrouding and indicate model, specification ortype num-
ber and serial number of tractor's engine.
Major attachments also have a model and serial number plate attached to them.
For your convenience and ready reference, enter tractor and engine numbers below.
aa Aa TA E
CA CA CE CA E E EEN
Model! and Serial Number
Tractor Model and Serial Number Engine Identification Number
Model
Type or Spec. No.
Serial Number
OWNER REGISTRATION AND WARRANTY
Service and warranty assurance is as important to Toro Wheel Horse as it is to you, the owner. To facilitate
warranty service at an Authorized Toro Wheel Horse Dealer, Toro Wheel Horse requires factory registration.
A registration card is supplied with each new tractor and attachment. Either you or your dealer must fill in
required information and mail card to Toro Wheel Horse.
Toro Wheel Horse Limited Warranty Statement is on a "hang tag” attached to each product. This statement
describes what items are covered by the Toro Wheel Horse Limited Warranty, your rights and obligations, and
procedure to follow to obtain warranty service. Please familiarize yourself with the warranty statement. All of
us at Toro Wheel Horse want you to be satisfied with your Toro Wheel Horse tractor; please don't
hesitate to contact us for assistance.
PARTS MANUAL
A separate parts manualis available for your Toro Wheel Horse equipment. To obtain a parts manual, see
ordering information at end of the publication.
BE SURE TO INCLUDE MODEL AND SERIAL NUMBER OF EQUIPMENT.
INSTRUMENTS AND CONTROLS
1
DON
X
vin
15
+5
“
5
Push on top of switch to turn lights on. Push on bottom of
switch to turn lights off. Lights work only when ignition switch
is in Run position.
When ignition switch is turned to "on" position, all lights will
come on automatically to check lights and electrical circuits.
Lights will stay on momentarily and then go out.
All lights must be OFF during operation; if light(s) is on, a
malfunction is indicated in that operation(s) and must be
corrected.
“AIR FILTER” light indicates air flow through air cleaner
assembly, When light intermittently comes on, service pre-
cleaner and air cleaner.
“SEAT SWITCH?” light comes on when seat is unoccupied
with ignition switch in Run or Start position. Seat must be
occupied to start engine.
If "PTO" light is on when attempting to start engine, check
that PTO control lever is in proper position for starting.
If “MOTION LEVER?” light is on when attempting to start
engine, check that motion control lever is in proper position
for starting.
"HYDRO TEMP” light senses automatic transmission and
transaxle oil temperature. If light comes on clean transmis-
sion fins and check cooling fan.
CIRE ec \
LEP HARTIS AND FELT CLEAN OF AT ALL TIMES
EVER ASSIHAE BLALE 15 S10P
TOF iW ERVIN FOSINON
SATLIY INTEALOCA SYRTESY CA FLL-CHICE BYFORE
EACH USt - SIF OPERATORS MAMUAL FOR DÉTAILE
BO мб! OPLAATE UNI EST SMERY SYSTEM WORK
7
ie]
EN in"
"OIL PRESS” light measures oil pressure of engine. Light
flashes before engine is started and goes out for normal
operation. If light flashes during operation an oil pressure
malfunction is indicated. Stop engine at once and contact
your Authorized Toro Wheel Horse Dealer for service.
“PARK BRAKE?” light comes on when parking brake lock
lever is set with ignition switch in Run position.
“ENG TEMP” light senses cylinder head temperature. №
light comes on, clean engine fins.
Gage indicates electrical system battery voltage. With
ignition key in OFF position, gage is not actuated. When
ignition key is turned to Run position, gage should read 12
Volts or slightly above. After engine is started and running,
gage should read between 12 and 15 Volts. If gage reads
less than 12 Volts battery is discharging. If gage reads 15
Volts for long periods of time, check battery water more
frequently.
Gage measures load applied to engine. As load increases
gage reading will increase. Gage should read between 25
and 75 for normal operation. With engine running at full
throttle, load should be reasonably heavy for first 25 hours of
operation to seat piston rings.
Gage indicates level of fuel in tank, Refill tank with fuel as
gage approaches “E” marking.
-3-
Gage measures engine revolutions per minute. Gage is
actuated only when ignition switch is in Run Position. With
engine running at full throttle and no load, gage should read
as indicated in “Specifications” section of this manual. If
gage reads less than specifications, contact your Authorized
Toro Wheel Horse Dealer for service.
Gage records operating hours of tractor. Gage is actuated
when ignition switch is in Run position.
Power driven attachments are engaged and disengaged
with PTO level. Push lever forward to engage attachment.
Pull lever back to disengage attachment. PTO clutch lever
actuates a safety interlock switch in starter circuit; therefore,
indicator light comes on (if so equipped) and tractor will not
start unless lever is in disengaged position, If operators seat
is vacated while PTO is engaged, seat switch indicator light
comes on (if so equipped) and seat switch will automatically
shut engine off.
Brake pedal returns motion control leverto neutral position
for dynamic braking. Lever must be in neutral position to
actuate a safety interlock switch to allow starting engine.
Indicator light will come on (if so equipped) when interlock
switch is not actuated and ignition switch is in Start position.
Move motion control lever forward to move tractor forward;
pull lever back to neutral position to stop. Push lever down
and pull back to move tractor in reverse; push lever forward
to neutral position to stop. Motion control lever varies ground
speed and pulling power of tractor independent from engine
speed. To increase ground speed, move lever away from
neutral. Increase pulling power by moving lever toward
neutral.
To engage parking brake, first apply foot brake pedal
solidly and then move parking brake lock lever up to lock
brake, To release parking brake push down on foot brake
pedal. Parking brake lock lever is spring loaded and will
return to disengaged position when foot brake pedal is
applied. Indicator light is on (if so equipped) when parking
brake is locked with ignition switch in Run position.
Lever controls engine speed. Raise lever to operate
tractor; lower lever before shutting engine off.
Switch has three positions from left to right: (1) Off, (2) Run,
(3) Start. To start engine turn key all the way right to Start
position. Release key when engine starts and it will automati-
cally return to Run position. When switch is turned to Off
:: — position, engine stops and all electrical accessories are
: turned off.
Raise choke knob up when starting engine. Slowly lower
knob after engine starts. If engine is warm and has been
running, choking may not be necessary to restart engine.
Pull lever to rear to lift attachment. Release lever to hold
attachment in position. Push lever forward to lower attach-
ment. Neutral position will hold attachment at any up ordown
position. Always lower attachments before leaving tractor
unattended.
hydrostatic transmission. As pedal is depressed, transmis-
sion is shifted to neutral. When pedal is fully depressed a
mechanical brake is also applied for additional braking ac-
tion.
Valve is located on bottom of fuel tank under rear fender.
Valve is normally left open, except when service on fuel
system becomes necessary.
OPERATING TRACTOR
SAFETY INTERLOCK SYSTEM
Safety interlock system incorporates three switches, for
safe starting. Starting switches are actuated by motion
control lever, PTO clutch control and seat. If tractor will not
start, seat must be occupied, PTO clutch disengaged and
motion controllever in neutral position. Indicator lights will be
on and engine will not start unless all three switches are
properly actuated.
Seat switch shuts off engine during operation when driver
rises off seat while PTO is engaged. Indicator light will be on
and engine will stop unless seat is occupied and seat switch
is properly actuated.
Safety interlock system must be tested periodically. To
test operation of safety interlock system, following functions
must be observed. If not, immediate repairs must be
performed by an Authorized Toro Wheel Horse Dealer for
your protection.
1. Engine should NOT start if:
a. Motion control lever is in forward or reverse
position.
b. PTO is not disengaged.
C. Seat is not occupied.
Test each of the above one at a time.
2. With engine running, test operate seat switch by
engaging PTO and rising off seat. Engine should shut off.
SEAT CONTROL
For adjustment, loosen bolts under seat, slide seat to
desired position and retighten bolts. Use seat slide lever for
further adjustment.
Seat Adjustment
PARKING BRAKE
Parking brake should be set every time tractor is vacated.
To set parking brake, depress foot pedal and lift up on
parking brake release lever. Hold release lever up and
release foot pedal to set parking brake. To release parking
brake, push on foot pedal and then release.
CORRECT ENGINE OPERATION
AN CAUTION AN
Before starting engine, become familiar with all
controls. Read this Operator's Manual thoroughly.
Always check engine oil level before starting. Al-
ways check transmission oil level before starting.
STARTING ENGINE
Because of a factory built-in safety interlock system, your
tractor will not start until motion control lever is in neutral
position, PTO is disengaged and seat is occupied. Indicator
light(s) will be on when controls are not in correct position or
seat is not occupied for starting.
Engine is equipped with a low oil pressure switch. Engine
will start and run when light flashes. If light flashes during
operation, stop engine at once and contact your authorized
Toro Whee! Horse dealer.
To start engine occupy seat, position motion control lever
in neutral position and disengage PTO.
Move throttle control lever to slow position. Raise choke
control all the way to Cold position.
Turn ignition key clockwise until starter engages. When
engine starts, release key. switch is spring loaded and will
return to Run position automatically.
-5-
If engine fails to start after 30 seconds of continu-
ous cranking, turn key to Off position and allow
starter motor to cool. Check for cause of hard
starting; consult Troubleshooting Checklist. |
FUEL RECOMMENDATIONS
Once engine has started, move throttle to half position and
return choke to its normal position. If engine stalls at low
speeds, or hesitates during acceleration, choke should be
applied as necessary until engine reaches normal operating
temperature.
When starting engine during cold weather, be sure to follow
special procedures for warming up engine and transmission
as described under “Correct Hydrostatic Transmission Op-
eration”, before placing tractor into operation.
STOPPING ENGINE
To stop engine, return throttle leverto Idle position and turn
ignition key to Off position. If engine has been working hard,
or is hot, allow engine to idle a short time before turning key
off. This practice will help to cool engine before stopping.
Note: in case of emergency, engine may be stopped by
turning ignition key to Off position.
Use clean, fresh, unleaded gasoline.
gasoline may also be used but it is not a preferred fuel. Do
not use highly leaded premium gasoline. Use of unleaded
gasoline results in less maintenance.
Regular leaded
A CAUTION A
Do not use gasoline de-icers. Gasoline deicers can
cause internal damage to carburetor and fuel pump
parts. Do not use fuels containing ethanol concen-
trations greater than ten percent. Fuel containing
alcohol may cause poor engine performance and
internal engine damage.
ZN CAUTION AN
Always remove key and set parking brake when
leaving tractor unattended, even if for just a few
minutes. Prevent accidents, don’t give children or
unauthorized persons an opportunity to operate this
machine.
THROTTLE CONTROL
Throttle control regulates speed of engine as measured in
RPM (Revolutions Per Minute). This control should not be
used to regulate ground speed of tractor.
Engine in your new Toro Wheel Horse has been designed
with a special governor that limits maximum RPM. Always
operate tractor with throttle control set at full speed.
Engine MUST be operating at Full throttle when-
ever tractor is in use. Using tractor while engine is
operating at less than Full throttle may result in
extensive transmission damage as well as poor overall
tractor performance.
CHOKE CONTROL
Choke control activates a “butterfly” valve in carburetor,
When choke is partially or completely closed, less air is
admitted to engine. This results in a higherfuel-to-air (richer)
mixture that is easier to ignite when engine is cold. Choking
engine is required when engine is started cold. Warm
engines may not need choking.
If regular leaded gasoline is used continually, carbon and
lead deposits shouid be removed from the cylinder heads as
required because of engine power loss. Unleaded gasoline
may be used safely after lead deposits have been removed.
OIL SPECIFICATION
To protect your tractor’s engine, check oil level before each
use. Engine is equipped with a low oil pressure switch.
Engine will start and run when light flashes and oil pressure
is low. If light flashes during operation, stop engine at once
and contact your authorized Toro Wheel Horse dealer.
Complete information concerning recommended oils and
how to check oil level is given in “Maintaining Your Tractor”
section of this manual.
CORRECT HYDROSTATIC
TRANSMISSION OPERATION
During cold weather, start engine with parking
brake engaged and allow transmission to run in
neutral for 5 minutes before attempting to set unit
into motion. For temperatures below 0°F (-18°C)
allow transmission to run in neutral for 10 minutes
before attempting to set unit in motion. Failure to do
so may result in extensive internal transmission
damage. |
-6-
TO GO FORWARD
ZN CAUTION À
Before tractor will move either forward or back-
ward, parking brake must be disengaged. ALWAYS
depress brake/return to neutral pedal when disen-
gaging parking brake.
Motion of your tractor is controlled by a single “Motion
Control Lever”. Control lever has a neutral locked position.
To go forward, move motion control lever forward. Farther
forward lever is pushed, faster tractor will go.
AN CAUTION AN
For safe operation, never move motion control
lever too rapidly, especially on grades.
By adjusting motion control lever, forward speed of tractor
can be regulated without adjusting engine throttle control.
For heavy pulling, moving control lever toward neutral re-
duces tractor ground speed and increases pulling power as
shifting to a lower gear with a mechanical transmission.
TO GO BACKWARD
To reverse motion of tractor, return motion control lever to
neutral, push lever down and move lever back. Farther back
lever is pulled, faster tractor will go in reverse.
A CAUTION À
For safe operation, never move motion control
lever too rapidly, especially on grades.
By adjusting motion control lever, reverse speed of tractor
can be regulated without adjusting engine throttle control.
TO STOP
Stopping tractor from either forward or reverse direction
can be achieved by one of two methods:
1. Return motion control lever to its neutral locked position.
2. Depress brake pedal.
Activating brake pedal automatically returns motion control
lever to its neutral position and applies a mechanical brake.
Brake pedal will hold motion control lever in neutral position
when depressed. Pedal must be released before motion
control lever can be moved either forward or back.
Tractor is stopped by a “dynamic braking” action inside
hydrostatic transmission and a mechanical brake. Tractors
are free to roll (at a very slow speed) when transmission is in
neutral. Therefore, always depress brake pedal when tractor
is stopped on unlevel terrain.
‘HAND PUSHING TRACTOR
Hand push tractor only. Do not tow. Towing can
cause severe damage to hydrostatic transmission.
Hydrostatic transmission tractors can be pushed at a slow
speed. To do this, move motion control ¡ever fully forward;
tractor will then move when pushed.
CORRECT TRACTOR USAGE
BELT INSTALLATION
ZN CAUTION A Install belt in inner groove of PTO pulley for mower and
tiller. Install belt in outer groove for Snowthrower, Lawn Vac,
Read manuals provided with attachments before Generator and Loader.
operating. Manuals give a detailed description of
operation and point out other areas of caution. REASSEMBLE PTO LINKAGE
Familiarize yourself thoroughly with equipment be- Move top plate forward, insert top end of rod housing in
fore attempting to use it. hole in top plate and install large hairpin cotter in bottom of
rod housing. Move top plate rearward. Line up clevis with
hole in clutch shaft and install locking pin. insert trunnion in
ATTACHMENT MOUNTING top plate and secure with hairpin cotter.
HITCHES
Attach-A-Matic front and mid hitches are provided for easy
installation and removal of attachments without tools.
Rear mounted attachments are secured to tractor's rear _§#
drawbar hitch, to a special hitch supplied with attachmentor —
a special hitch available as optional equipment.
To install attachments make sure hitch latches are in re-
leased position -- to do this, push in on lock release pin; move
latch lever or handle so latch is open and release lock pinto —
hold latch in open position. Insert and center attachment -
shaft in hitch slots and move latch toward closed position
until release pin snaps outward.
Removal of attachment is done by pushing in on lock
release pin, which allows latch to be moved to open position.
Note: For specific installation and removal instructions
refer to attachment instructions.
TW TE
TSoRev TRUNNION ARTUR ONTO ROD IF. Lo
QCLUTCH SLIPS DURING OPERATION — в =
Belt Routing -- Both Belt strands
OUTSIDE of Rod Housing
Front an Mid Attachment Hitches
ATTACHMENT BELTS
DISASSEMBLE PTO LINKAGE
Remove hairpin cotter from trunnion and remove trunnion
out of top plate. Remove locking pin from clutch shaft and
clevis. Move top plate forward and remove large hairpin
cotter at bottom of rod housing. Slide rod housing down and
out of top plate.
BELT REMOVAL
Remove belt from PTO рийеу. If tractor is to be operated
without attachment, reassemble PTO linkage. Belt Routing -- One belt strand
8 OUTSIDE, one INSIDE of rod housing
OPERATION OF TRACTOR
Because of sufficient tractor engine power no problems
should be encountered using attachments under normal
conditions. Front wheel weights may be used to increase
front wheeltraction. Rear wheel weights and tire chains may
also be used to increase rear wheel traction All tires may be
fluid filled.
WITH A MOWE
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For best operation on average lawns, operate engine at full
throttle while controlling ground speed with transmission.
Tractor should be operated at 2t0 3.5 MPH (3.2t0 5.6 KMH)*
while mowing grass. Uneven cutting is often a result of
excessive ground speed. To correct, reduce ground speed
with transmission. Average lawns are usually cut at a height
between 2 and 3 in. (5-7.6 cm) Tall grass and weeds should
be cut with mower in its highest position, making a second
pass cutting at height desired.
Always keep mower blades sharp.
using a snowthrower.
WITH A SNOW, DOZER OR GRADER BLADE
Although front end dozer blade is generally used for snow
removal, it can also be used for moving loose dirt, sand or
gravel. Care should be taken and a slow ground speed
should be maintained whenever blade is used. Impact with
a solid object may result in injury to operator and/or damage
to blade.
Grader blades are generally preferred for leveling sand,
dirt or gravel. Operation of these blades is similar to that of
a dozer blade. Rear mount grader blades may require
special hitches; consult your dealer for proper hitch(es)
required for your tractor.
WITH A TILLER
Toro Wheel Horse tiller does an excellent job of preparing
gardens for planting.
Caution should be exercised when tilling virgin ground or
clay as tiller may have a tendency to push tractor. This can
be corrected by raising tiller with attachment lift so tiller
penetrates only very top of soil. Tiller can be lowered to its
full depth on following passes. Cleattires will reduce pushing
effect of tiller.
/\ CAUTIONA\
Sharp edges of mower blades can cut you during
blade maintenance or adjustment. Use suitable
covering over cutting edges of blade to prevent
bodily harm.
WITH A SNOWTHROWER
A CAUTION A
Thoroughly inspect area where snowthrower is to
be used. Remove all door mats, sleds, boards and
other foreign objects. Never make any adjustments
while engine is running. Never try to clear chute
while engine is running.
Snow removal will vary greatly with condition of each
snowfall. Light fluffy snow will be cleared with ease. Heavy
wet snow will be more difficult. It is advisable to coat auger
and chute with a light coat of wax or paraffin to keep snow
from sticking. Best resuits are usually attained when tractor
ground speed is set at 1 to 2 MPH (1.6 to 3.2 KMH).*
NOTE: Inflate front tires to 20 P.S.l. for use with two
stage snowthrower.
Care should be exercised whenever snow thrower is en-
gaged. Auger is capable of picking up sticks, stones and
other foreign objects and expelling them with great velocity.
Always aim discharge chute away from persons or objects
subject to harm.
Tire chains and wheel weights are recommended when
9.
A CAUTION AN
If tiller starts to push tractor, shut tiller off immedi-
ately by disengaging PTO clutch.
Slowing tractor’s ground speed will improve aggressive
action of tiller. Best results are usually attained when tractor
ground speed is set at less than 1.0 MPH (1.6 KMH).*
Do not over-till soil. Soil tilled excessively will not hold
water, and will compact easily.
WITH A PLOW, DISC, CULTIVATOR, OR
HARROW
Plows and disc require maximum tractor efficiency. Cleat
tires, or tire chains, as well as wheel weights increase rear
tire traction. Front whee! weights add to steering control of
tractor.
some of these attachments require special rear hitches.
Consult your dealer for proper hitch(es) required for your
tractor.
There are two methods of preparing a seed bed for
planting.
1.Use a tiller, which will prepare soil in one operation.
2.Use a plow to turn ground, a disc to break up large
clumps, and a harrow to pulverize and smooth soil.
Piows are classified by width of furrow they will turn.
Generally, plows are set to cut 4 to 6 in. (10-15.2 cm) deep.
*Average walking speed is 3.5 MPH (4 kmh)
A disc is used immediately after plowing. Disc will break
large clumps of soil.
After discing, generally a spike tooth harrow is dragged
over soil. Spike tooth harrow helps pulverize soil and levels
seed bed. Soil should now be ready for planting.
Cultivator is used during growing season to help remove
unwanted weeds, and to help aerate plant roots. Generally
width of cultivator is taken into consideration before planting
seed bed to insure cultivator fitting between rows without
damaging crop roots.
WITH OTHER ATTACHMENTS
There are numerous other special-purpose attachments
available, which greatly increase tractor’s versatility. Attach-
ment can be a completely self-contained system (front
bucket loader), one that is used along with another attach-
ment (lawn vacuum), or one intended for operator comfort
(snow cab). These attachments are custom designed for a
particular tractor model, but many others simply use tractor
as a towing vehicle. They are attached or removed from
tractor by installation or removal of a single drawbar hitch pin.
Some of these attachments are powered by a separate
gasoline engine, some are ground driven and some are
simply towed, such as a dump cart.
In any case, all these attachments should be approached
with same amount of caution given any mechanical device.
Always read each Operating Instruction Manual carefully
before attempting to use attachment. Keep children and
pets away from tractor when in operation. Never allow any
unauthorized personnel to operate equipment.
Your authorized Toro Wheel Horse dealer can assist you
with selecting attachments for use with your tractor.
DUMP CART LOAD LIMITS
Toro Wheel Horse recommends following load limits
be observed when using tractor with a dump cart.
Load limits have been set to provide for safe braking
on slopes.
275 Ibs. (127 kg)
-10-
MAINTENANCE
AN CAUTION AN
To minimize chance of injury, perform all
maintenance and adjustments on your ma-
chine with engine off and ignition key re-
moved, unless instructed otherwise in this
section. Use extreme care when working
near operating machinery. Do not wear
loose fitting clothing. Remove watch and
jewelry before beginning work and observe
common safety practices when using tools.
I for Applicab e”
ENGINE
Cooling
Check chaff screen and rotating screen behind chaff
screen on engine every time machine is used. Restricted air
flow through engine can cause overheating and engine
damage.
Oil Quality
For maximum engine protection under all operating condi-
tions use API Service Classification SF oil. This letter will
appear on oil can.
Oil Level
Form a habit of checking oil level regularly.
Check oil level of engine every 8 hours or before
each use. An improper oil level can cause extensive
internal damage to engine.
Oil filler dipstick and oil drain location for engine is illus-
trated in following illustrations.
To check engine oil level, stop tractor where engine is level.
Shut off engine, set parking brake, and remove ignition key.
E CC
DO NOT
EXCEED
FULL
MARK
676
Correct Oil Level
Wipe dipstick with a clean lint free rag; reinstall dipstick into
block all the way. Remove dipstick again and read scale on
lower portion of stick.
As applicable, add oil through oil dipstick tube.
Information Concerning:
Adjustments
Special Cleaning Instructions
Recommended Dealer Maintenance
A CAUTION A
Do not overfill crankcase. Excess oil causes high
oil consumption and oil accumulation in air cleaner
(1) Refer to text for initial service interval for new tractors.
housing.
(2) Which ever occurs first. -1
(3) Or monthly
1-
Oil Changes
Engine oil in your Toro Wheel Horse tractor should be
changed after first 25 hours of operation. Thereafter, oil
should be changed at 50 operating hour intervals. Oil filter,
should be changed every 100 hours. If operating conditions
are extremely dusty or dirty frequency of oil changes should
be increased.
if oil filter is to be replaced, unscrew used filter and install
new filter on engine.
Remove dipstick/oil fill cap and add about 80% of amount
of oil specified in following chart. Also shown are charts for
selecting correct oil type and oil viscosity. When using
temperature - viscosity chart, select air temperature most
likely to be encountered within next 50 hours of operation.
Failure to change engine oil at recommended inter-
vals can lead to serious damage to engine. This is
especially true when using detergent oils which are
designed to hold impurities in suspension; when
saturation point is reached, oil may suddenly break
down to form a gelatin-like substance which seri-
ously impairs and can even stop flow of oil. Increase
frequency of oil changes if tractor is operated under
extremely dusty conditions.
ENGINE OIL TYPE
API Service SF or SF/CC
CRANKCASE OIL CAPACITY
1.5 ats. (1.4!) w/o Filter
1.7 ats. (1.61) w/Filter
ENGINE OIL TEMPERATURE - VISCOSITY CHART
MSE THESE SAE VISCOSITY GRADES
Before changing oil, start engine and allow it to warm up.
This will allow oil to flow more freely. Shut off engine and
remove key.
To drain oil:
Open oil drain. After oil has drained completely, reinstall
drain cap.
O ON DRAIN CAP B
er rm re
M DIPSTICK/OIL FILL TUB
E a
‘с РИ
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a AE EEE a ES. N Ka = =
Engine Oil Dipstick/Fill Tube
60 con
я +
. ( 043 |
TEMPERATURE RANGE YOU EXPECT BEFORE NEXT CHL CHANGE |
"CN 20 19 1 Tw =
After adding 80% of prescribed amount of oil, check oil
level. Add oil as necessary to bring oil to “Full” level.
Never overfill engine crankcase with oil. Oil level
must not exceed ‘“‘F’’ level on dipstick.
Air Filter
Dirt induced through improperly installed, poorly serviced,
or inadequate air filter elements, is more often cause of a
worn out engine than long hours of operation. A small
amount of dirt will destroy a set of piston rings in a matter of
hours. A clogged element causes a richer fuel mixture which
wastes gasoline, and may lead to formation of harmful
sludge deposits.
If tractor is equipped with an AIR FILTER indicator light,
clean air filter and precieaner when light comes on intermit-
tently during operation.
If engine does not have an AIR FILTER indicator light,
clean engine air filter and precleaner after every 25 hours of
operation (more often if tractor is operated under extremely
dusty conditions).
Replace filter elements at 200 hour intervals. Replace
more frequently in dusty operating conditions. To protect
your engine, use only manufacturers replacement filter, or
replacement filters with equivalent specifications.
-12-
Check following when installing a new or serviced element:
1. Base must be securely tightened to carburetor. Replace
base if bent or cracked.
2. Gasket surfaces of element must be flat against base
and cover to seal effectively.
3. Tighten screws securely.
4. Be sure cover seals and gaskets are in good condition
and will seal properly. Bad gaskets and seals can let
unfiltered air into carburetor.
To prevent any dirt or other contaminates from en-
tering engine, always cover carburetorair horn when
air cleaner is removed.
LOWER HOUSING
KNOB
PRE-CLEANER
NO
Ne
WING NUT
SPACER
1879
Air Cleaner Assembly
Dry type air filter element is cleaned by tapping it lightly on
aflat surface to remove loose dirt particles. Replace element
if dirt does not drop off easily. DO NOT wash elements in
liquid. Do not attempt to blow dirt off with compressed air as
this can puncture filter element.
Foam precleaners are used over filter elements on engine.
Clean precleaner at 25 hour intervals, when air cleaner is
serviced. Wash precieaner in a solution of liquid dishwash-
ing detergent and water. Squeeze out excess water and
allow it to dry. Coat precleaner evenly with two tablespoons
of SAE 30 engine oil. Knead into and wring out excess oil
from precleaner. Install precleaner over air cleaner element.
1. WASH
2. SQUEEZE DRY
3. COAT WITH OIL -
WRING OUT EXCESS
4. INSTALL OVER PAPER ELEMENT
Pre-Cleaner Service
CRANKCASE BREATHER
A crankcase breather valve is used for maintaining crank-
case vacuum. If crankcase becomes pressurized as evi-
denced by oil leaks at seals, clean baffle pack and valve ina
suitable solvent. Check and clean valve and baffle every 200
hours of operation.
BREATHER
HOSE
- HOSE CLAMP
BREATHER
TUBE
SCREEN
1115
Crankcase Breather
Spark Plug
Engine misfire, or generally poor operation, is often caused
by spark plugs in poor condition or with incorrect spark plug
gap setting. Replace spark plugs at 100 operating hour inter-
vals. Replace if inspection reveals fouling or excessive
deterioration occurs.
Always clean area around spark plugs before removing
them to prevent dirt from entering engine. Use a spark plug
wrench to remove and install plugs.
Check condition of removed plugs. Good operating condi-
tions are indicated by a light coating of gray ortan deposit. A
dead white, blistered coating could indicate engine overheat-
ing. A black coating could indicate an “overrich” fuel mixture
caused by a clogged air cleaner, or improper carburetor
adjustment.
Replace spark plugs that are not in good condition. Never
sandblast, wire brush, scrape or otherwise service a
sparkplug in poor condition. Best results are obtained
with a new plug.
Always check spark plug gaps before installing a new plug
or reinstalling original plug. Use a spark plug gap gauge to
adjust electrode air gap to .025 in. (.64 mm).
Carburetor Adjustment
Carburetors are adjusted at factory and should not have to
be reset. If however, one of the following conditions is noted,
carburetor should be readjusted immediately as continued
operation with incorrect setting can lead to fouled spark
plugs, overheating, excessive valve wear or other problems.
If black exhaust smoke is noted, check air cleaner first - an
“overrich” mixture is usually caused by a poorly serviced,
clogged air cleaner element, not an improperly adjusted
carburetor.
-13-
Carburetor Adjustmen Chart
Correct carburetor adjustment requires a significant amount
of knowledge as well as special equipment. In addition, other
adjustments, such as governor settings, may also be neces-
sary after adjusting carburetor. For these reasons, it is
suggested that carburetor adjustments be performed by an
authorized dealer.
Fuel Syste
A fine-mesh screen type strainer, incorporated into fitting
at bottom of tank, and an inline fuel filter, both filter foreign
matter from gasoline before it reaches carburetor, This
strainer and fuel filter normally require service only if fuel
supply becomes severely contained.
Always clean area around fuel cap before removing it to
prevent excessive amounts of dirt from entering fuel system.
Also insure that fuel storage container you are using is clean
and in good condition.
Keep fuel tank full during winter operation , when cold and
damp weather conditions can cause moisture to condense in
tank.
Exhaust System
Make regular visible and audible inspections of exhaust
system throughout life of tractor. Locate leaks in muffler and
piping while engine is operating. Repair all leaks immediately
after they are detected for personnal safety.
CHARGING AND ELECTRICAL
SYSTEMS
Alternator
An alternatoris used to charge battery. Alternator charging
system normally requires no service other than periodically
checking all exposed wiring and electrical connections on
tractor. Make sure wiring and connectors are clean, tight and
in good condition. A 30 amp automotive type ATO or ATC
fuse is used to protect charging circuit.
A CAUTION A
Proper polarity Is critical with an alternator equipped
charging system. Always disconnect battery ground
cable (negative) before working on any part of the
electrical system. Verify that all components are
connected correctly before reconnecting ground cable
(negative) or damage to alternator system compo-
nents will result.
Never run engine if battery is removed, or if battery
Is not connected to charging system. Serious dam-
age to voltmeter, circuit board and charging system
components may result.
Main Fuse
A 25 amp automotive type ATO or ATC fuse is used to
protect main circuit of electrical system.
-14-
Main, Charge Circuit and Light Fuse Locations
Light Circuit Fuse
Light circuit is powered by battery. Lights will operate when
ignition switch is in Run position. A 15 amp automotive type
ATO or ATC fuse is part of light circuit.
Gage Circuit Fuse
Gage circuits are protected by light circuit 15 amp automo-
tive type ATO or ATC fuse.
Battery
AN CAUTION AN
When servicing battery or any other part of electri-
cal system, or if battery must be removed for any
reason, always disconnect negative (ground) cable
FIRST and reconnect it LAST to avoid possibility of
electrical shorts.
This paragraph does not pertain to a “Maintenance Free
Battery”. Maintain electrolyte level above plates in each cell
by adding distilled water as necessary. Best time to add
water is just prior to operating tractor so water will mix with
solution. Do not overfill battery. Electrolyte solution is
corrosive and overfiling can cause damage to surrounding
metal parts. Battery should be maintained at 1.265 specific
gravity charge. When battery has been out of tractor for
servicing, take care to connect cables to battery exactly as
they were before removal.
For longest service life, battery should be kept clean by
wiping it off with a paper towel. Any corrosion around battery
terminals should be removed by applying a solution of one
part baking soda to four parts water. A light coating of grease
may be applied to all exposed terminal surfaces to prevent
corrosion.
At temperatures below 32°F (0°C), full charge state
must be maintained to prevent cell electrolyte from
freezing and causing permanent battery damage.
Light Bulb Replacement
Headlight and tail light bulbs (on models so equipped) are
replaced as described below. Care should be taken when
handling bulbs, particularly if they are broken.
Either sealed beam headlamp unit is replaced by first
disconnecting both terminal wires. Note way headlamp is
installed, then carefully remove bolt and retainer to release
headlamp.
To replace a tail light bulb, pry lens off with a screwdriver.
A slot is located at each end of lens for this purpose. If bulb
has a metal socket, push bulb down and turn counterclock-
wise to remove it. If bulb has a plastic socket, simply pull bulb
straight out. Tail light bulbs are automotive #1895 (metal
base) or #194 (all glass).
To replace indicator light bulb, consult your authorized
Wheel Horse dealer.
HYDROSTATIC TRANSMISSION
Oil Quality
Hydrostatic transmission requires 10W-30 premium qual-
ity motor oil.
Oil Level
Lubricant level should be checked before each use. Dip-
stick is located in a filler tube coming up from transmission.
Dipstick is marked for COLD oil. Remove dipstick and wipe
clean with a clean lint free rag. Replace dipstick and remove
again. Oil level should be maintained between “F” and “L”
levels on dipstick. Never operate tractor with oil BELOW or
ABOVE marks on dipstick. Add oil as necessary. Replace
dipstick making sure it is fully seated in filler tube.
Use care to prevent dirt, clippings or other foreign
material from entering transmission during oil level
checks, oil fillings, or oil changes.
de мый
aaa
= CONTROL EVER Friction ADJUSTMENT
a APPROX. 8 LBS. PULL pese To
Hydrostatic Transmission Dipstick
-15-
Oil Change CHASSIS LUBRICATION
Drain and refill transmission oil once per year or 200 hours
of operation, whichever occurs first. Steering gear, foot pedal, spindles, front wheel bear-
Oil is drained by removing pipe plug at bottom of transaxle. ings, toe rods and front axle pivot are equipped with fittings
Plug is located near left rear of transaxle. Approximate refill to facilitate lubrication with a pressure grease gun. Before
capacity is 5 quarts (4.7 liters). After adding 4 quarts of oil, applying grease gun, clean zerk fittings carefully to prevent
dirt from being forced into fitting. A general purpose grease
C H E C K 0 | L (lithium base) is used to lubricate tractor.
DO NOT
EXCEED
FULL
MARK
676
Correct Transmission Oil Level
check oil level; add oil as necessary to bring oil level between ~~ Lubricate chassis after each 25 hours of operation. All
“F" and “L” marking on dipstick. other pivoting arms and levers should be lubricated at same
intervals with either general purpose grease or machine oil,
Cooling Fan applied directly to wear surfaces.
A cooling fan is bolted to transmission input shaft (located --
just behind right footrest). Fan forces air over transmission : En ое
cooling fins to cool transmission oil. Replace cooling fanifit = y TN A ao
becomes cracked or broken, Be sure to install it so that * E
maximum airflow is directed across transmission. = PE - ——
Ea
PRE
Cooling fins on transmission should also be kept clean for
best cooling efficiency. Periodically inspect for dirt buildup, .
and brush or wash out any accumulated dirt or clippings. if e
pressure washing equipment is used, avoid directing spray = ne a
at joints and seal areas, to prevent forcing water into system.
Oil Filter
Replace oil filter after first 10 hours of operation. Thereaf-
ter, replace filter with each transmission oil change (200
hours or one year, whichever occurs first).
Parr
E
GREASE FITTIN
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Steering Shaft Grease Fitting
FOOT BRAKE ADJUSTMENT
Brake band, located on left side of transmission, brakes
transmission shafts and, in turn, brakes rear wheels. As
brake pedal is depressed, linkage returns transmission to
neutral, dynamically braking tractor. Brake band is actuated
after transmission reaches neutral, providing additional brak-
ing action. Brake band also serves as parking brake.
1. Set parking brake so that lever is latched in second
notch in control cam. This is done by pulling up on parking
brake lever as brake pedal is slowly depressed. You will feel
lever move up slightly as it drops into second notch of control
cam.
2. Tighten nut on brake linkage boit until coils of heavy
spring are fully compressed, then back off nut 1/2 turn.
3. Release parking brake and check that brake band is not
dragging on brake drum.
Brake Adjustment
If tractor creeps after brake pedal is depressed and then
released, linkage that returns tractor to neutral requires
adjustment. Your authorized dealer should make this adjust-
ment.
PTO CLUTCH AND BRAKE
ADJUSTMENT
PTOclutch and brake may require periodic adjustment due
to normal wear of friction surfaces. If clutch slippage is
apparent, turn trunnion farther onto clutch rod in one turn
intervals until slippage is eliminated.
To adjust PTO brake:
1. Engage PTO clutch.
2. Loosen two bolts that hold brake pad bracket to support
bracket.
3. Place a .012 in. (.3mm)feeler gauge between brake pad
and clutch pulley.
4. While holding brake pad against feeler gauge and
pulley, tighten two brake bracket bolts.
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PTO Adjustments
CLEANING AND STORAGE
Tractor should be washed regularly with a mild automotive
detergent and water. After 30 days, painted surfaces may be
waxed to protect original finish.
Minor paint scratches or abrasions can be removed with
an automotive cleaning and polishing compound. Rubbing
compound is not recommended under normal circumstances,
as it is highly abrasive. Exposed bare metal surfaces should
be given a light coating of oil or grease to prevent rust until
permanent repairs can be made. Aerosol cans of paint are
available through your Authorized Toro Wheel Horse Dealer.
When tractor will not be used for an extended period of
time, following steps will help insure minimum difficulty when
unit is returned to service: |
1. Perform required maintenance steps called for in
“Maintenance Checklist”.
2. Check tires for proper inflation.
3. Drain all fuel from fuel tank, Start tractor and let engine
run out of gas. As gasolinegrows old, itbecomes less volatile
and forms harmful gum and varnish deposits in carburetor
and fuel pump. DO NOT STORE GASOLINE FOR MORE
THAN 2 MONTHS.
4. Wash tractor and repaint all bare metal surfaces.
5. Charge battery. Intemperatures lower than 40°F (4°C)
a battery will maintain a charge for about 60 days. in
temperatures above 40°F (4°C) water level should be checked
and battery “trickle charged” every 30 days, (more often in
higher temperatures). Battery must be fully charged to
prevent freezing and internal damage in weather below 32°F
(0°C).
6. Remove key from tractor.
-17-
TROUBLESHOOTING CHECKLIST (Continued)
SYMPTOM
Engine knocks.
POSSIBLE CAUSE
Fuel octane too low.
Faulty Ignition System.
Engine overheated.
POSSIBLE REMEDY
Drain fuel and replace with
higher octane supply.
Consult authorized dealer.
Shut off engine and allow to
cool.
Engine occasionally “skips” at
high speed.
Spark plug(s) fouled, faulty or
gap too wide.
Faulty Ignition System.
Incorrect carburetor adjustment.
Check spark plug condition and
gap.
Consult authorized dealer.
Readjust carburetor.
Engine overheating.
Air intake screen or fins clogged
Oil level too high or too low.
Fuel mixture too lean.
Faulty Ignition System.
Engine overloaded.
Clean intake screen and fins.
Adjust oil level as necessary.
Readjust carburetor,
Consult authorized dealer.
Reduce load on tractor.
Engine idles poorly.
Improper carburetor adjustment.
Improper spark plug gap.
Readjust carburetor.
Check condition and gap of
spark plug(s).
Engine backfires.
Improper carburetor adjustment.
Ignition system.
Readjust carburetor.
Consult authorized dealer.
Engine runs fine, but tractor
will not move.
Transmission clutch disengaged.
Faulty Transmission.
Engage clutch.
Consult authorized dealer.
Tractor loses power or
transmission overheats.
(Automatic models)
Transmission oil level too high
or too low.
Transmission damage has
resulted from operating engine
at low RPM or contamination
of oil.
Adjust oil level as necessary.
Consult dealer for
authorized service.
Engine stalls whenever PTO is
engaged. | |
Excessive load on PTO.
Faulty interlock system.
Check for jammed attachments,
Lessen load on attachment.
Seat must be occupied to close
interlock system. Consult
authorized dealer.
-18-
TROUBLESHOOTING CHECKLIST
SYMPTOM
Engine will not turn over.
POSSIBLE CAUSE
Dead battery.
Open safety interlock switch.
Starter.
Solenoid.
Ignition switch.
POSSIBLE REMEDY
Charge or replace battery.
Be sure PTO is disengaged and
motion control lever is ali the
way left in horizontal slot of
shift plate.
Consult authorized dealer.
Consult authorized dealer.
Consult authorized dealer.
Engine turns over but will not
start.
Spark plug not firing.
Ignition system.
No fuel in tank.
Fuel valve closed.
Improper carburetor adjustment.
Ignition switch.
Check spark plug condition and
reset gap.
Consult authorized dealer.
Refuel tractor.
Open fuel valve.
Reset carburetor adjustment.
Consult authorized dealer.
Engine hard to start.
Spark plug wire(s) grounded
or loose.
Ignition system.
Spark plug(s) faulty or
improperly gapped.
Fuel line clogged.
Faulty fuel pump.
Carburetor dirty or improperly
adjusted.
Check spark plug wires.
Consult authorized dealer.
Check spark plug condition and
reset gap.
Clean fuel line and change line
filter; check strainer in fuel tank.
Consult authorized dealer.
Readjust carburetor. Consult
dealer for authorized carburetor
service,
Engine starts, but operates
erratically.
Clogged fuel line.
Water in fuel.
Vent in fuel cap plugged.
Ignition system.
Improper carburetor adjustment,
Clean fuel line; check strainer
in fuel tank.
Drain old fuel and replace with
fresh supply.
Check vent.
Consult authorized dealer.
Readjust carburetor.
—19-
WIRING DIAGRAM
PINK
LIGHT GREEN
BLACK
GUAGE
LIGHTS
(ALWAYS ON)
BLACK
FUEL SENDER
AIR FILTER
RESTR.
PINK
BLACK BLACK BLACK
pro [; | YELLOW
aM BROWN
AIR FILTER | 2 [GRAY — o
— ORANGE &——
IGN. | 3 © ui
DK GREEN a
ono. [4 auras 5
OIL PRESS. | 5 [PK BLUE a
— N
PARK BRAKE | g [WHITE PINK HYDRO TEMP o Lo PURPLE
7 "ENCRES ser or
START | 8 TAN > SEAT SWITCH (EMPTY)
—{ LT BLUE |
NEUTRAL | 9 DK
o GREEN
SEAT [yo {BROWN Joo
HEAD TEMP. [11 [PURPLE PTO SWITCH (OFF)
GND. [12| BLACK 8
INDICATOR LIGHT <
MODULE E QQ Y
| [ 5 Mm GRAY eo
ТАСН В+ — WHITE The
REGULATOR Col — YELLOW
) ENGINE KILL RELAY
o с — 4
PRESS. TEMP RED 15A
= = | PURPLE e
td —{ DK BLUE 25 A e ore
O BLACK
30 A À —
? o | LT GREEN (He
— LT BLUE SWITCH RELAY
| PURPLE
ENGINE x
CONNECTOR <
a | oe —
e 1 ero
= START "LH
GROUND ON Т
e RELAY
LIGHT PINK
SWITCH DARK BLUE
LIGHT GREEN
_ a
SWITCH | ELECTRICAL CONN.
= =| POSITION | BETWEEN TERMINALS IGNITION
TAIL LIGHTS — ] I
OFF NONE
RUN B+R+A+1 ACCESSORIES
START B+S+15 (A)
-20-
Wheel Horse.
A separate parts manual for your Toro Wheel Horse product can be obtained
by completing the attached form below. You will receive an invoice with manual.
PUBLICATIONS
TORO WHEEL HORSE
8111 Lyndale Ave. So.
Bloomington, Minnesota 55420
PARTS MANUAL ORDER FORM
Enter number shown on your attachment:
MAIL LABEL -- PLEASE PRINT CLEARLY
TO:
Name
Address
City State Zip
*
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10° SLOPE CHART
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BUILDING, FENCEPOST, POLE ETC.)
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(TREE
ALIGN THIS EDGE WITH A VERTICAL SURFACE
EXAMPLE: COMPARE
SLOPE WITH FOLDED
EDGE,
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Your TORO Wheel Horse
does more :
IA ANA D SE
Po TR
y ` №
Product information and specifications are
shown herein as of the time of printing. Torc
Wheel Horse reserves the right to change
product specifications, designs and stan
dard equipment without notice and withou
‘incurrina obligation.
| Tractors & Riding Mowers