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Toro Wheel Horse 12-32, Operator'S Manual

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Toro Wheel Horse 12-32 Operator'S Manual Download Page 49

Troubleshooting

47

PROBLEM

CORRECTIVE ACTION

POSSIBLE CAUSES

Blade does not rotate

1.

Blade drive belt is worn, loose

b k

1.

Install new blade drive belt.

or broken.

2

Blade drive belt is off pulley

 

2

Install blade drive belt and

2.

Blade drive belt is off pulley.

2.

Install blade drive belt and
check idler pulley and belt

check idler pulley and belt
guides for correct position.

Engine loses power.

1.

Engine load is excessive.

1.

Reduce ground speed.

2.

Air cleaner is dirty.

2.

Clean air cleaner element.

3.

Oil level in crankcase is low.

3.

Add oil to crankcase.

4.

Cooling fins and air passages
under engine blower housing
are plugged.

4.

Remove obstruction from
cooling fins and air passages.

5.

Spark plug is pitted, fouled, or
gap is incorrect.

5.

Install new, correctly gapped
spark plug.

6.

Vent hole in fuel cap is
plugged.

6.

Clean or replace the fuel cap.

7.

Carburetor is adjusted
incorrectly.

7.

Adjust the carburetor.

8.

Dirt, water, or stale fuel is in
fuel system.

8.

Contact Authorized Service
Dealer.

Engine overheats.

1.

Engine load is excessive.

2

Oil level in crankcase is low

1.

Reduce ground speed.

2

Add oil to crankcase

2.

Oil level in crankcase is low.

3.

Cooling fins and air passages
under engine blower housing

2.

Add oil to crankcase.

3.

Remove obstruction from

cooling fins and air passages

under engine blower housing
are plugged.

C b

i

dj

d

cooling fins and air passages.

Adj

h

b

4.

Carburetor is adjusted
incorrectly.

4.

Adjust the carburetor.

Abnormal vibration.

1.

Engine mounting bolts are
loose.

1.

Tighten engine mounting
bolts.

2.

Loose engine pulley, idler
pulley, or blade pulley.

2.

Tighten the appropriate
pulley.

C

S

3.

Engine pulley is damaged.

4

Cutter blade is unbalanced

3.

Contact Authorized Service
Dealer.

4

Install new cutter blade

4.

Cutter blade is unbalanced,
bent or loose.

5

Blade bolt is loose

4.

Install new cutter blade.
 

5

Tighten bolt to 45–60 ft–lb

5.

Blade bolt is loose.
 

6.

Drive belt is damaged.

5.

Tighten bolt to 45–60 ft–lb
(61–81 N–m).

6.

Install blade drive belt and

6.

Drive belt is damaged.

6.

Install blade drive belt and
check idler pulley and belt
guides for correct position.

Summary of Contents for Wheel Horse 12-32

Page 1: ...t contains information about your safety and the safety of others Also become familiar with the controls and their proper use before you operate the product International English GB FORM NO 3321 891 Wheel Horse 12 32 Recycler Rider Model No 70171 9900001 Up ...

Page 2: ...amage to the product Although we design produce and market safe state of the art products you are responsible for using the product properly and safely You are also responsible for training persons who you allow to use the product about safe operation The warning system in this manual identifies potential hazards and has special safety messages that help you and others avoid personal injury even d...

Page 3: ...e 18 Throttle Control 18 Starting and Stopping the Engine 18 Page Break In 19 Adjusting Height of Cut 19 Operating Procedure 19 The Safety Interlock System 20 Operating in Reverse 20 Side Discharging or Bagging 22 Driving Forward or Backward 23 Stopping the Machine 23 Positioning the Seat 24 RecyclerrMowing Tips 24 Tips for Cutting Grass 25 Maintenance 28 Service Interval Chart 28 Air Cleaner 29 E...

Page 4: ...the operator s manual and on the machine before starting 2 Allow only responsible adults who are familiar with the instructions to operate the machine 3 Clear the area of objects such as rocks toys wire etc which could be picked up and thrown by the blade 4 Be sure the area is clear of other people before mowing Stop the machine if anyone enters the area 5 Never carry passengers 6 Do not mow in re...

Page 5: ...extra care with grass catchers or other attachments These can change the stability of the machine Keep all movement on slopes slow and gradual Do not make sudden changes in speed or direction Avoid starting or stopping on a slope If tires lose traction disengage the blades and proceed slowly straight down the slope DO NOT Do not operate machine on hillsides or slopes exceeding 15 Avoid turning on ...

Page 6: ...d inspect the equipment if you strike an object Repair if necessary before restarting 8 Grass catcher components are subject to wear damage and deterioration which could expose moving parts or allow objects to be thrown Frequently check components and replace with manufacturer s recommended parts when necessary 9 Mower blades are sharp and can cut Wrap the blade s or wear gloves and use extra caut...

Page 7: ...Safety 5 Slope Chart Read all safety instructions on pages 2 4 ...

Page 8: ...6 ...

Page 9: ...distance from the machine Machine rollover Machine rollover Machine rollover side hill up hill down hill Stay a safe distance from the mower Machine rollover ROPS Safety alert symbol of blade as long as engine is running Keep deflector shield in place Consult Technical Manual for proper service procedures Safety alert symbol Keep children a safe distance from machine Severing toes or foot mower bl...

Page 10: ...a passenger seat only if the driver s view is not hindered Severing of hand Rotating knives Severing of foot Rotating knives Cutting or entanglement of foot Rotating auger Severing of fingers or hand impeller blade Stay a safe distance from the snowthrower Keep a safe distance from snowthrower Tractors must be equipped with 45kg rear wheel weight with this attachment installed Machine rollover ROP...

Page 11: ...tch Engage Disengage Brake system Parking brake On Run Battery charging conditin Off Stop Engine Head lights Main high beam Fuel Engine lubricating oil pressure PTO Power Take Off Unlock Lock Engine lubricating oil level Engine temperature Fuel level Volume empty Volume full Key Choice Switch ...

Page 12: ...ne and stay away from an open flame or where gasoline fumes may be ignited by a spark Store gasoline in an approved container and keep it out of the reach of children Never buy more than a 30 day supply of gasoline POTENTIAL HAZARD In certain conditions gasoline is extremely flammable and highly explosive WHAT CAN HAPPEN A fire or explosion from gasoline can burn you others and cause property dama...

Page 13: ...nol or ethanol Filling the Fuel Tank 1 Shut the engine off and set the parking brake 2 Clean around each fuel tank cap and remove the cap Add unleaded regular gasoline to both fuel tanks until the level is 1 4 to 1 2 inch 6 mm to 13 mm below the bottom of the filler neck This space in the tank allows gasoline to expand Do not fill the fuel tanks completely full 3 Install fuel tank caps securely Wi...

Page 14: ...nstall Front Wheels page 10 Steering Wheel Roll Pin Steering Shaft Cover 1 1 1 Install Steering Wheel Assembly page 10 Key 2 Use in ignition and Key Choice Switches Capscrew Wing Nut 2 2 Secure battery cables to battery page 11 Hose coupling 1 Connect garden hose to washout port during maintenance Operator s Manual 1 Read manual before operating rider Registration Card 1 Fill out and mail to Toro ...

Page 15: ...xcess grease Install Steering Wheel 1 Position wheels in straight ahead direction and slide steering shaft cover over steering shaft 2 Slip steering wheel over shaft and line the steering wheel mount hole with the shaft mounting hole Fig 2 Toro logo should be readable from operator s position 2 1 Figue 2 1 Steering shaft cover 2 Roll pin 3 Insert a drift punch partially through the holes to mainta...

Page 16: ...te and charged Remove the battery and activate it as follows 1 Tip seat forward exposing battery 2 Remove wing nut securing battery hold downs to rider chassis Fig 4 1 2 3 Figure 4 1 Wing nut 2 Battery hold down 3 Filler cap 3 Lift up on top battery hold down and pivot rearward 4 Remove battery from chassis and set it aside 5 Remove filler caps from battery and slowly fill each cell until electrol...

Page 17: ...ottle cable 10 Reinstall battery hold downs POTENTIAL HAZARD The battery terminals could short against the battery hold down or metal tractor components WHAT CAN HAPPEN Sparks can cause the battery gasses to explode HOW TO AVOID THE HAZARD When removing or installing the battery do not allow the battery terminals to touch any metal parts of the tractor Always keep the battery hold down rods in pla...

Page 18: ...nces of oil 2 1 Figure 6 1 Dipstick 2 Fuel tank cap F 20 0 20 40 60 80 100 C 30 20 10 0 10 20 30 40 USE THESE SAE VISCOSITY OILS 5 Ensure the oil level is to the full mark on the dipstick when it is fully installed Do not overfill or engine damage may result 6 Insert the dipstick and turn it clockwise to secure it in the fill tube Note Check the oil level every 5 operating hours or each time rider...

Page 19: ...shifting gears and whenever brake is used Brake Pedal Fig 8 Must be depressed to slow down or stop the rider When pedal is depressed a caliper engages the brake disc at side of transaxle Remember to depress clutch pedal when using brake Note Avoid depressing brake pedal while clutch is engaged otherwise premature brake wear will occur Do not rest foot on pedal while mowing Parking Brake Always set...

Page 20: ...n the ENGAGE position Engine will start when control is in DISENGAGE position only Height of Cut Control Fig 9 Control varies the cutting height from approx 1 to 3 1 2 inches 25 to 89 mm in six increments Key Choice Fig 9 A hold and release switch used for deactivating the Operating In Reverse interlock feature Located on panel in front of and below the seat Throttle Control Fig 9 Connects to and ...

Page 21: ...g 3 To engage blade for cutting move deck engagement lever to ENGAGE Operating Procedure 1 Move deck engagement lever to DISENGAGE 2 Start the engine refer to Starting Stopping Instructions page 18 IMPORTANT When rider is used for the first time operate the transaxle in all gears to ensure that drive system is functioning correctly and become familiar with the controls and operating characteristic...

Page 22: ...while you are mowing or operating an attachment Be extra observant after you have chosen to deactivate the interlock feature because the sound of the tractor s engine might prevent you from being aware that a child or a bystander has entered the area where you are operating the tractor If you are certain that you can safely mow in reverse or operate an attachment deactivate the operating in revers...

Page 23: ...afety Interlock System Test the safety interlock system before you use the machine each time If the safety system does not operate as described below have an Authorized Service Dealer repair the safety system immediately 1 Move gear shift into neutral 2 Move deck engagement lever into ENGAGE Sit on the seat and rotate ignition key to START Engine should not crank but if it does the interlock syste...

Page 24: ...elease The Key Choice warning light should illuminate Move the PTO lever to the disengage position and the Key Choice warning light should turn off Side Discharging or Bagging To side discharge or use bagging attachment stop the engine and wait for all moving parts to stop 1 Shut the engine off and remove the ignition key 2 Remove the wing nut securing the discharge cover Fig 12 to the mower housi...

Page 25: ...lace the gear shifter in a forward gear release the parking brake refer to Releasing the Parking Brake page 18 and slowly release the clutch To go in reverse push the clutch in to stop and after stopping completely place the gear shifter in reverse Slowly release the clutch Note For reverse motion with the PTO engaged the operating in reverse interlock must be deactivated by the key choice switch ...

Page 26: ...t cutting concept It leaves your lawn with a bagged look without bagging clippings The rider is equipped with special parts Fig 14 which increase your rider s ability to cut and recut grass clippings leaves and other yard debris into tiny particles which are injected down into the grass These parts are Deck ring Special blade and blade stiffener Discharge cover Four special kickers strategically p...

Page 27: ...og the mower housing and discharge area If mower housing does clog shut engine off disengage blade and remove the obstruction with a stick POTENTIAL HAZARD Unexpected blade contact can occur WHAT CAN HAPPEN Personal injury can occur from contact with blade HOW TO AVOID THE HAZARD Depress clutch and brake pedals shift into neutral and turn ignition key to OFF position Remove wire from spark plug to...

Page 28: ...ow for an extended period due to weather conditions or other reasons mow first with the height of cut at a high level then mow again 2 3 days later with a lower height setting Alternate mowing direction This helps disperse clippings over lawn for even fertilization SIDE DISCHARGING OR BAGGING To side discharge or use bagging attachment stop the engine and wait for all moving parts to stop Then rem...

Page 29: ...rass When spring arrives the leaf particles will have decomposed and restored valuable nutrients to the soil When cutting is complete always be sure that 50 of the lawn shows through the finely cut leaf cover This may require one or more passes over the leaves If there are more than five inches of leaves on lawn raise the deck one or two notches higher This makes it easier to feed leaves under mow...

Page 30: ...dles 2 Wheel Bearings 2 and Rear Axle 2 X X More often in Lubricate Pivot Points X X More often in dusty dirty Service Air Cleaner X X dusty dirty conditions Check Spark Plug X X X Check Blade Drive Belt X Check Traction Drive Belt X M f i Drain Gasoline X More often in dusty dirty Clean Outside of Engine X X dusty dirty conditions Wash Underside of Mower X X conditions Paint Chipped Surfaces X Re...

Page 31: ...ir cleaner more frequently every few hours if operating conditions are extremely dusty or sandy 1 Remove the wire from the spark plug Fig 18 2 Remove the knob and air cleaner cover Fig 15 3 Every 25 hours the foam pre cleaner should be cleaned Fig 15 Remove foam pre cleaner by sliding it off the paper cartridge Fig 15 A Wash the foam pre cleaner in liquid soap and warm water Rinse thoroughly in cl...

Page 32: ...8 oz 1 4 l Viscosity See table below F 20 0 20 40 60 80 100 C 30 20 10 0 10 20 30 40 USE THESE SAE VISCOSITY OILS Checking Oil Level 1 Park the machine on a level surface disengage the power take off PTO set the parking brake and turn the ignition key to OFF to stop the engine Remove the key 2 Clean around the oil dipstick Fig 16 so dirt cannot fall into the filler hole and damage the engine 3 Uns...

Page 33: ...amage may result Spark Plug Service Interval Specification Since air gap between center and side electrodes of the spark plug increases gradually during normal operation of the engine check condition of electrodes after every 25 operating hours Recommended air gap is 0 030 of an inch 0 762 mm Correct spark plug to use is Champion RJ 19LM Note The spark plug usually lasts a long time however the pl...

Page 34: ... is set correctly 2 Tighten the spark plug s to 15 ft lb 20 4 Nm 3 Push the wire s onto the spark plug Fig 18 Greasing and Lubrication Service Interval Specification Grease the machine after every 50 operating hours or yearly whichever occurs first Grease more frequently when operating conditions are extremely dusty or sandy Grease Type General purpose grease How to Grease 1 Disengage the power ta...

Page 35: ...wer refer to Removing lnstalling Cutting Unit page 34 5 Lubricate mower mounts Fig 22 Wipe up any excess oil Figure 22 6 Install mower refer to Removing lnstalling Cutting Unit page 34 Tire Pressure Service Interval Specification Maintain the air pressure in the front and rear tires as specified Check the pressure at the valve stem after every 25 operating hours or monthly whichever occurs first F...

Page 36: ...The wheels should rotate freely 4 If both conditions are met no adjustment is required Adjusting the Brake Adjust brake pucks if the parking brake does not hold or braking power is not sufficient when brake pedal is depressed The brake is located on the left side of the transaxle Fig 24 1 Shut engine off and remove wire from spark plug 2 Tighten locknut approximately 1 4 turn clockwise Fig 24 3 Ch...

Page 37: ...hon can be purchased at a hardware store Front Wheel Toe In Service Interval Specification Maintain toe in of the front wheels as specified If uneven tire wear lawn scuffing or hard steering develop adjustment may be required Check the toe in after every 100 operating hours or yearly whichever occurs first Fig 25 Specification 06 1 5 mm 25 6 3 mm toe in on front wheels Measuring Toe in 1 Disengage...

Page 38: ...ls to prevent corrosion Voltage 12 v 160 Cold Cranking Amps Removing the Battery 1 Disengage the power take off PTO set the parking brake and turn the ignition key to OFF to stop the engine Remove the key 2 Tip seat forward exposing battery 3 Disconnect the negative black ground cable from the battery post Fig 27 4 Lift the rubber cover up on the positive red cable Disconnect the positive red cabl...

Page 39: ...iller caps 2 Lower part of tube 3 Plates Adding Water to the Battery The best time to add distilled water to the battery is just before you operate the machine This lets the water mix thoroughly with the electrolyte solution 1 Clean the top of the battery with a paper towel 2 Lift off the filler caps Fig 29 3 Slowly pour distilled water into each battery cell until the level is up to the lower par...

Page 40: ...spark plug Remove ignition key 2 Shift transaxle into 1st gear and engage parking brake 3 Remove cutting unit refer to Removing Installing Cutting Unit page 39 4 Grasp end of blade using a rag or thickly padded glove then remove blade bolt curved washer blade stiffener and blade Fig 30 Note Since blade bolt is tightened to 45 60 ft lb 61 81 Nm at the factory it may be difficult to remove If the bo...

Page 41: ...the heavy side If blade is not balanced file more material off cutting edge of the blade Continue to file and check the blade until it is balanced 7 In sequence install blade blade stiffener curved washer and blade bolt Fig 30 The concave side of the curved washer must point toward the blade Tighten blade bolt to 45 60 ft lb 61 81 Nm IMPORTANT Make sure cutting edge of blade is away from mower hou...

Page 42: ... wear or damage Fig 32 4 Install new belt if needed and reinstall belt guides 5 Install cutting unit refer to Removing Installing Cutting Unit page 39 Adjusting Blade Drive Belt 1 Set height of cut lever in lowest setting and deck engagement lever to ENGAGE 2 Remove cotter pin from adjustment rod Fig 33 3 Rotate adjustment rod until there is 0 060 inch 1 5 mm or less between end of slot in engagem...

Page 43: ...utting Unit If mower doesn t cut level from side to side and cutting blade is not bent level the cutting unit as follows 1 Place rider on level surface lock parking brake shut off engine and remove key from ignition switch 2 Raise seat or remove left side panel from rider 3 Place height of cut lever in number 3 position and position cutter blade at a right angle to direction of rider travel 4 Meas...

Page 44: ...sert rod into hole in bracket 4 Move gear shift selector into REVERSE position then to NEUTRAL then to first gear and then back to NEUTRAL 5 Try rolling the rider backward and forward If wheels turn freely and gear shift selector lines up with the NEUTRAL mark on the gear shift guide the adjustment is correct 3 2 1 Figure 38 1 Cotter pin 2 Rod 3 Bracket 6 If adjustment is not correct remove rod fr...

Page 45: ... SHOWN WITH PTO DISENGAGED 1 7 5A F2 B Y A KEY SW X S B I S A I PK R BU OR GY T GY PK S2 PTO IGNITION S4 KEY SWITCH PN 88 9830 OFF NO CONNECTION ON B I A AND X Y START B I S 12 32 SCH BATTERY GND 7 5A F1 ALTERNATOR R R BU WIRE COLOR CODES BROWN BLUE GREY WHITE VIOLET RED YELLOW TAN GREEN ORANGE BLACK PINK R VIO W GY BU BN OR GN T Y PK BK MAGNETO STARTER SOLINOID NMIR MODULE 5 1 3 4 6 2 R R BK BN T...

Page 46: ...check the electrolyte level and charge it fully refer to Battery page 36 Do not connect the battery cables to the battery posts during storage IMPORTANT The battery must be fully charged to prevent it from freezing and being damaged at temperatures below 32 F 0 C A fully charged battery maintains its charge for about 50 days at temperatures lower than 40 F 4 C If the temperatures will be above 40 ...

Page 47: ...key to OFF to stop the engine Wait for all moving parts to stop 6 Turn the water off remove hose coupling from the washout fitting Note If the mower is not clean after one washing soak and let stand for 30 minutes Then repeat process again 7 Run mower again for one to three minutes to remove excess water 1 m 3118 2 3 Figure 39 1 Washout port 2 Coupling not included 3 Hose POTENTIAL HAZARD A broken...

Page 48: ...rrectly gapped p p g p gap is incorrect 6 Spark plug gap is incorrect y g pp spark plug 6 Set gap to 0 030 76 mm 6 Spark plug gap is incorrect 7 Dirt water or stale fuel is in f l 6 Set gap to 0 030 76 mm 7 Contact Authorized Service D l fuel system 8 Battery is dead Dealer 8 Charge the battery 8 Battery is dead 9 Vent hole in fuel tank cap is pl gged 8 Charge the battery 9 Clean or replace the fu...

Page 49: ...uel system 8 Contact Authorized Service Dealer Engine overheats 1 Engine load is excessive 2 Oil level in crankcase is low 1 Reduce ground speed 2 Add oil to crankcase 2 Oil level in crankcase is low 3 Cooling fins and air passages under engine blower housing 2 Add oil to crankcase 3 Remove obstruction from cooling fins and air passages under engine blower housing are plugged C b i dj d cooling fi...

Page 50: ...ive 1 Traction idler is adjusted incorrectly 1 Adjust traction drive belt 2 Traction belt is worn loose or broken 2 Contact Authorized Service Dealer 3 Traction belt is off pulley 3 Contact Authorized Service Dealer 4 Transaxle not shifting gears 4 Contact Authorized Service Dealer ...

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