FORM NO. 3321–860 Wheel Horse 270HE Lawn & Garden Tractor Model No. 72115 – 9900001 & Up Operator’s Manual IMPORTANT: Read this manual carefully. It 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.
Introduction Thank you for purchasing a Toro product. All of us at Toro want you to be completely satisfied with your new product, so feel free to contact your local Authorized Service Dealer for help with service, genuine replacement parts, or other information you may require. Whenever you contact your Authorized Service Dealer or the factory, always know the model and serial numbers of your product.
Contents Page Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Safe Operation Practices for Ride-on (riding) Rotary Lawnmower Machines . . . . . . . . 2 Safe Operating Practices . . . . . . . . . . . . . . 2 Sound Pressure Level . . . . . . . . . . . . . . . . . 4 Sound Power Level . . . . . . . . . . . . . . . . . . 4 Vibration Level . . . . . . . . . . . . . . . . . . . . . 4 Slope Chart . . . . . . . . . . . . . . . . . . . . . . . . . 5 Symbols Glossary . . . . . . . . . . . .
Safety Safe Operation Practices for Ride-on (riding) Rotary Lawnmower Machines 6. This machine meets or exceeds European Standards in effect at the time of production. However, improper use or maintenance by the operator or owner can result in injury. To reduce the potential for injury, comply with these safety instructions and always pay attention to the safety alert symbol, which means CAUTION, WARNING, or DANGER—“personal safety instruction.
Safety • If fuel is spilled, do not attempt to start the engine but move the machine away from the are of spillage and avoid creating any source of ignition until petrol vapors have dissipated. • Replace all fuel tanks and container caps securely. 4. Replace faulty silencers. 5. Before using, always visually inspect to see that the blades, blade bolts and cutter assembly are not worn or damaged. Replace worn or damaged blades and bolts in sets to preserve balance. 6.
Safety • before making height adjustment unless adjustment can be made from the operator’s position. 4. To reduce the fire hazard, keep the engine, silencer, battery compartment and petrol storage area free of grass, leaves, or excessive grease. 14. Reduce the throttle setting during engine run-out and, if the engine is provided with a shut-off valve, turn the fuel off at the conclusion of mowing. 5. Check the grass catcher frequently for wear or deterioration. 6.
Safety Slope Chart Read all safety instructions on pages 2–NO TAG.
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Safety Symbols Glossary Safety alert symbol Dismemberment–Mower in rearward motion Safety alert symbol Stay a safe distance from the machine Read operator’s manual Consult Technical Manual for proper service procedures Thrown or flying objects– Whole body exposure Thrown or flying objects– Rotary side-mounted mower. Keep deflector shield in place Severing toes or foot– mower blade Severing fingers or hand– mower blade Rotating blade can cut off toes or fingers.
Safety Symbols Glossary Cutting element– basic symbol Riding on this machine is allowed only on a passenger seat & only if the driver’s view is not hindered Cutting element– height adjustment Cutting unit–lower Crushing of fingers or hands–Force applied from side Cutting unit-raised Kickback or upward motion–Stored energy Cutting or entanglement of foot–Rotating auger Severing of fingers or hand– impeller blade Keep a safe distance from snowthrower Stay a safe distance from the snowthrower Shut of
Safety Symbols Glossary Fast Slow Fuel Fuel level Decreasing/Increasing On/Run Volume empty Off/Stop Volume full Engine Battery charging conditin Engine start Head lights– Main/high beam Engine stop Brake system Choke Parking brake Engine temperature Clutch PTO (Power Take Off) Engine lubricating oil pressure Engage Disengage Engine lubricating oil level Unlock Lock Key Choice Switch 9
Gasoline and Oil Recommended Gasoline Use UNLEADED Regular Gasoline suitable for automotive use (85 pump octane minimum). Leaded regular gasoline may be used if unleaded regular is not available. POTENTIAL HAZARD • In certain conditions gasoline is extremely flammable and highly explosive. WHAT CAN HAPPEN IMPORTANT: Never use methanol, gasoline containing methanol, or gasohol containing more than 10% ethanol because the fuel system could be damaged. Do not mix oil with gasoline.
Gasoline and Oil Stabilizer/Conditioner Filling the Fuel Tank Add the correct amount of gas stabilizer/conditioner to the gas. Using a stabilizer/conditioner in the machine: 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.
Operation Think Safety First Key Choice Switch Please carefully read all the safety instructions on pages 2–9. Knowing this information could help you, your family, pets or bystanders avoid injury. A turn and release switch used for deactivating the “Operating–In–Reverse” interlock feature. Located on the seat bracket on the right hand just below the seat (Fig. 2). Controls Become familiar with all the controls (Fig. 1) before you start the engine and operate the machine.
Operation Releasing the Parking Brake 5. Move throttle lever to “FAST” (Fig. 5). 1. Push down on the brake pedal (Fig. 3). The parking brake lever should release. 6. Turn the ignition key clockwise and hold it in the “START” position (Fig. 6). When the engine starts, release the key. 2. Gradually release the brake pedal. IMPORTANT: If the engine does not start after 30 seconds of continuous cranking, turn the ignition key to “OFF” and let the starter motor cool; refer to Troubleshooting, page 40.
Operation Stopping Engaging the Power Take Off (PTO) 1. Move the throttle lever to “SLOW” (Fig. 5). 1. Depress the brake pedal to stop the machine. 2. Turn the ignition key to “OFF” (Fig. 6). 2. Pull the power take off (PTO) to “ON” (Fig. 7). Note: If the engine has been working hard or is hot, let it idle for a minute before turning the ignition key “OFF.” This helps cool the engine before it is stopped. In an emergency, the engine may be stopped by turning the ignition key to “OFF.
Operation The Safety Interlock System Understanding the Safety Interlock System The safety interlock system is designed to prevent the engine from starting unless: • You are sitting on the seat • The brake pedal is depressed • The power take off (PTO) is “OFF” The safety interlock system is designed to stop the engine if: • You rise from the seat when the brake pedal is released • You rise from the seat when the power take off (PTO) is “ON”or gear selector is not in “N” neutral.
Operation POTENTIAL HAZARD • A child or bystander could be backed over by a riding mower with its blade(s) engaged. WHAT CAN HAPPEN • Blade contact will cause serious personal 1. Set the parking brake. Move the power take off (PTO) to “ON”. Now turn the ignition key to “START”; the engine should not crank. 2. Push the power take off (PTO) to “OFF” and release the parking brake. Now turn the ignition key to “START”; the engine should not crank. 3.
Operation Indicator Control Module The indicator control module (Fig. 9) contains lights for: PTO (Power Take Off) The PTO (power take off) light will be “ON” when the key is in the “RUN” or “LIGHTS” positions and the PTO (power take off) is engaged “ON”. When this light is “ON” it is a reminder; the starter will not crank and turn off the PTO before getting off.
Operation Driving Forward or Backward 1 The throttle control regulates the engine speed as measured in rpm (revolutions per minute). Place the throttle control in the “FAST” position for best performance. 2 Temperature The temperature light will be “ON” when the key is in the “RUN” or “LIGHTS” positions and the engine temperature exceeds proper operating limits. Stop engine immediately and correct the cause of high temperature.
Operation Attachment Power Lift Adjusting Dial-A-Height The attachment power lift (Fig. 11) is used to raise and lower attachments. The Dial-A-Height control (Fig. 11) is used to limit the downward travel of the attachment. The Dial-A-Height knob is rotated to change the location of this stop, up or down. Raising Attachments 1. Turn key to the “ON” or “RUN” position (Fig. 11). 2. Push the lift switch in the “UP” direction to raise the attachment lift (Fig. 11).
Operation Headlights Using the Cruise Control The headlights are turned on with a separate position, “LIGHTS”, of the ignition switch (Fig. 13). The lights are on while the ignition switch is in the “LIGHTS” position even with the engine off. Remove the key when the machine is left unattended so lights can not be turned on discharging the battery. A three position switch, located on the dash (Fig.15), with the functions of: Lock–Set (spring loaded), On and Unlock–Off controls the engagement.
Operation Pushing the Machine by Hand IMPORTANT: Always push the machine by hand. Never tow the machine because transaxle damage may occur. To Push the Machine 1. Disengage the power take off (PTO) and turn the ignition key to “OFF” to stop the engine. 2. Move the drive control rod to the “PUSH” position. This disengages the drive system and allows the wheels to turn freely (Fig. 16). IMPORTANT: Drive control rod moves to the “OPERATE” position when the brake is applied. To Operate the Machine 1.
Maintenance Service Interval Chart Service Operation Oil—check level Each Use 5 Hours 25 Hours 50 Hours 100 Hours Initial X Oil Filter—change* (200 hours, every other oil change or yearly) X Safety System—check X Brake—check X X X X X Chassis—grease* X Foam Air Cleaner—service* X X Spark Plug(s)—check 200 hours X X Belts—check for wear/cracks X X X X X Chipped Surfaces—paint X X X X Battery—charge, disconnect cables X X Tires—check pressure X X Front Wheels–check toe-in
Maintenance POTENTIAL HAZARD • If you leave the key in the ignition switch, someone could start the engine. WHAT CAN HAPPEN • Accidental starting of the engine could seriously injure you or other bystanders. HOW TO AVOID THE HAZARD • Remove the key from the ignition switch and pull the wire(s) off the spark plug(s) before you do any maintenance. Also push the wire(s) aside so it does not accidentally contact the spark plug(s).
Maintenance Cleaning the Foam and Paper Elements 1. Foam Element A. Wash the foam element in liquid soap and warm water. When the element is clean, rinse it thoroughly. B. C. 1 Dry the element by squeezing it in a clean cloth. 2 Put one or two ounces of oil on the element (Fig. 18). Squeeze the element to distribute the oil. IMPORTANT: Replace the foam element if it is torn or worn. 1213 Figure 19 1. Paper element 2.
Maintenance Engine Oil Checking Oil Level Service Interval/Specification 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. Open the hood. 3. Clean around the oil dipstick (Fig. 20) so dirt cannot fall into the filler hole and damage the engine. 4. Unscrew the oil dipstick and wipe the metal end clean (Fig. 20). 5.
Maintenance Changing/Draining Oil Change Oil Filter 1. Start the engine and let it run five minutes. This warms the oil so it drains better. Service Interval/Specification 2. Park the machine so that the drain side is slightly lower than the opposite side to assure the oil drains completely. Then disengage the power take off (PTO), set the parking brake, and turn the ignition key to “OFF” to stop the engine. Remove the key.
Maintenance Spark Plug Checking the Spark Plug 1. Service Interval/Specification Look at the center of the spark plug(s) (Fig. 24). If you see light brown or gray on the insulator, the engine is operating properly. A black coating on the insulator usually means the air cleaner is dirty. Check the spark plug(s) after every 200 operating hours. Make sure the air gap between the center and side electrodes is correct before installing the spark plug.
Maintenance Greasing and Lubrication 3. Service Interval/Specification Lubricate the traction control pedal on hydrostatic models (or brake and clutch pedals on gear drive models) where they pivot on mounting shaft (Fig. 26). 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.
Maintenance Brake Always set the parking brake when you stop the machine or leave it unattended. If the parking brake does not hold securely, an adjustment is required. Adjusting the Brake The brake lever is on top of the transaxle (Fig. 28). If the parking brake does not hold securely, an adjustment is required. 1. Check the brake before you adjust it; refer to Checking the Brake, page 29. 2. Release the parking brake; refer to Releasing the Parking Brake, page 13. 3.
Maintenance Fuel Tank 4. Squeeze the ends of the hose clamp together and slide it up the fuel line toward the fuel tank (Fig. 30). 5. Pull the fuel line off the filter (Fig. 30). Open fuel shut-off valve and allow gasoline to drain into a gas can or drain pan. Draining The Fuel Tank 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 damage.
Maintenance Fuel Filter Power Lift Service Interval/Specification Service Interval/Specification Replace the fuel filter after every 100 operating hours or yearly, whichever occurs first. Check fluid level in power lift after every 25 operating hours or yearly, whichever occurs first. Fill with Dexron Type II or Type III automatic transmission fluid. Replacing the Fuel Filter Never install a dirty filter if it is removed from the fuel line. 1.
Maintenance Front Wheel Toe-In Adjusting 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. 33). 1. Check the toe-in before you adjust it; refer to Measuring Toe-In, Page 32. 2. Remove ball joint from one steering lever (Fig. 33). 3. Loosen jam nut securing ball joint to steering rod.
Maintenance 4. When transaxle is cold add oil to “Full Cold” line on reservoir (Fig. 34). IMPORTANT: Do not fill above the full cold line as fluid may overflow. 4 3 2 1 5 1 2337 Figure 35 1. Dash and Cruise control -10 Amp 2. Head lights-10 amp 2 3. Regulator-25 amp 4. Main-30 amp 5. Lift 25 amp 1243 Figure 34 1. Fluid reservoir Headlights 2. Full cold level Specification: Bulb # 1156 Automotive Type Removing the Bulb Fuse 1.
Maintenance 2. The bulb holder has two tabs (Fig. 36). Align the tabs with the slots in the reflector, insert the bulb holder into the reflector and rotate it 1/4 turn clockwise until it stops. 3. Push the wire connectors onto the terminals on the bulb holder. 5 5 1 3 4 2 Battery Service Interval/Specification 4 Figure 36 Installing the Bulb Check the electrolyte level in the battery before each use. Always keep the battery clean and fully charged. Use a paper towel to clean the battery case.
Maintenance 4 4 1 2 4 2 3 5 1 3 1219 5 Figure 38 1. Negative cable (black) 2. Rubber cover 3. Positive cable (red) 4. Bolt and wing nut 5. Hold down rod and wing nut 1260 Figure 39 1. Battery 2. Side panel tabs 3. Screw 4. Wing nut 5. Pin Installing the Battery Checking Electrolyte Level 7. Install the battery into the chassis (Fig. 39). 1. 8. Secure battery in chassis with hold down rods. With the engine off, open the hood to see the battery. 9.
Maintenance 1. Clean the top of the battery with a paper towel. 2. Lift off the filler caps (Fig. 40). 3. Slowly pour distilled water into each battery cell until the level is up to the lower part of the tube (Fig. 40). IMPORTANT: Do not overfill the battery because electrolyte (sulfuric acid) can cause severe corrosion and damage to the chassis. 4. Press the filler caps onto the battery. Charging the Battery IMPORTANT: Always keep the battery fully charged (1.260 specific gravity).
Maintenance Wiring Diagram 270 HYDRO HEADLIGHT HARNESS BK OR BK OR OR BU 7 BN K4 (CRUISE RELAY) PTO CLUTCH BK BU 2 5 W GY GY PK W BN 7 BK (LIFT SWITCH) 1 2 BU LIFT PUMP SW3 (PTO SWITCH) PTO SWITCH IS SHOWN IN OFF POSITION 2 8 5 T (MOMENTARY) BU OR 1 SW10 2 3 4 5 6 4 3 PK BU Y 5 6 PK BU 8 2 3 5 AND 6 CONNECTED 4 SW7 CRUISE SWITCH PK 1 CRUISE SWITCH OPERATION OFF NO CONNECTION ON 3 AND 2 CONNECTED MOMENTARY 3 AND 2 CONNECTED BU BU BK SW8 (CRUISE DISENGAGE SWIT
Maintenance 270 HYDRO SW4 (IGNITION SWITCH) WIRE COLOR CODES OFF-----------NO CONNECTION RUN/LIGHTS----------B I R L RUN---------------B I R START--------------B I R S L I 4 OR F4 S 3 1 B 5 S R 2 OR PK BN R VIO R B I L IGNITION SWITCH TERMINAL LOCATIONS VEIWED FROM BACK.
Maintenance Cleaning and Storage 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. Remove grass clippings, dirt, and grime from the external parts of the entire machine, especially the engine. Clean dirt and chaff from the outside of the engine’s cylinder head fins and blower housing. IMPORTANT: You can wash the machine with mild detergent and water. DO NOT PRESSURE WASH THE MACHINE.
Troubleshooting PROBLEM Starter does not crank Engine g will not start,, starts hard,, or f il to fails t keep k running. i Engine g loses power. p 40 POSSIBLE CAUSES CORRECTIVE ACTION 1. Blade control (PTO) is ENGAGED. 1. Move blade control (PTO) to DISENGAGED. 2. Parking brake is not on. 2. Set parking brake. 3. Operator is not seated. 3. Sit on the seat. 4. Battery is dead. 4. Charge the battery. 5. Electrical connections are corroded or loose. 5.
Troubleshooting PROBLEM Engine g overheats. Abnormal vibration. Machine does not drive. POSSIBLE CAUSES CORRECTIVE ACTION 1. Engine load is excessive. 1. Reduce ground speed. 2. Oil level in crankcase is low. 2. Add oil to crankcase. 3. Cooling fins and air passages under engine blower housing are plugged. 3. Remove obstruction from cooling fins and air passages. 1. Engine mounting bolts are loose. 1. Tighten engine mounting bolts. 2.
