Toro 73429 Operator's Manual
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Toro 73429 Operator's Manual

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FORM NO. 3322–107
Wheel Horse
312-8
Classic
Garden Tractor
Model No. 73429 – 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.

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Summary of Contents for Toro 73429

  • Page 1 Wheel Horse 312-8 Classic Garden Tractor Model No. 73429 – 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.
  • Page 2 The warning system in this manual identifies potential hazards and has special safety messages that All of us at Toro want you to be completely satisfied help you and others avoid personal injury, even death. with your new product, so feel free to contact your...

  • Page 3: Table Of Contents

    Contents Page Page Adjusting Dial-A-Height ....Safe Operating Practices ....Positioning the Seat ....Slope Chart .

  • Page 4: Safe Operating Practices

    Safety This machine meets or exceeds the B71.1–1996 General Operation specifications of the American National Standards Read, understand, and follow all instructions in Institute, in effect at the time of production. the operator’s manual and on the machine before However, improper use or maintenance by the starting.
  • Page 5 Safety 14. Do not operate the machine while under the Keep all movement on slopes slow and gradual. influence of alcohol or drugs. Do not make sudden changes in speed or direction. 15. Watch for traffic when operating near or crossing roadways.
  • Page 6 Use extra care when approaching blind corners, shrubs, trees, the end of a fence or other objects 10. Use only genuine Toro replacement parts to that may obscure vision. ensure that original standards are maintained. 11. Check brake operation frequently. Adjust and Service service as required.

  • Page 7: Slope Chart

    Safety Slope Chart Read all safety instructions on pages 2–4.

  • Page 9: Safety And Instruction Decals

    Safety Safety and Instruction Decals Safety decals and instructions are easily visible to the operator and are located near any area of potential danger. Replace any decal that is damaged or lost. ON RIGHT SIDE OF SHIFT PLATE ON HOOD ABOVE STEERING WHEEL (Part No.

  • Page 10: Gasoline And Oil

    Gasoline and Oil Recommended Gasoline Use UNLEADED Regular Gasoline suitable for POTENTIAL HAZARD automotive use (85 pump octane minimum). Leaded In certain conditions gasoline is extremely regular gasoline may be used if unleaded regular is flammable and highly explosive. not available. WHAT CAN HAPPEN IMPORTANT: Never use methanol, gasoline A fire or explosion from gasoline can burn...

  • Page 11: Stabilizer/Conditioner

    Gasoline and Oil Stabilizer/Conditioner Filling the Fuel Tank Add the correct amount of gas stabilizer/conditioner Shut the engine off and set the parking brake. to the gas. Using a stabilizer/conditioner in the Clean around each fuel tank cap and remove the machine: cap.

  • Page 12: Operation

    Operation Think Safety First Key Choice Switch Please carefully read all the safety instructions and A turn and release switch used for deactivating the symbols in the safety section. Knowing this “Operating–in–Reverse” interlock feature. Located information could help you, your family, pets or on the seat bracket on the right side just below the bystanders avoid injury.

  • Page 13: Starting And Stopping The Engine

    Operation Releasing the Parking Brake Turn the ignition key clockwise and hold it in the “START” position (Fig. 7). When the engine Push down on the brake pedal (Fig. 3). The starts, release the key. parking brake lever should release. IMPORTANT: If the engine does not start Gradually release the brake pedal.

  • Page 14: Operating The Power Take Off (Pto)

    Operation Stopping Disengaging the Power Take Off (PTO) Move the throttle lever to “SLOW” (Fig. 6). Depress the clutch and brake pedals to stop the machine. Turn the ignition key to “OFF” (Fig. 7). Pull the power take off (PTO) lever back to Note: If the engine has been working hard or disengage (Fig.

  • Page 15: The Safety Interlock System

    Operation The Safety Interlock System Before deactivating this feature, be sure there are no children present on or near the property where you are using the tractor, and that none are likely to appear Understanding the Safety Interlock while you are mowing or operating an attachment. System Be extra observant after you have chosen to deactivate the interlock feature because the sound of...
  • Page 16 Operation GRAPHIC # 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 injury or death. HOW TO AVOID THE HAZARD Figure 11 Do not mow in reverse unless absolutely necessary.
  • Page 17 Operation While sitting on the seat, set the parking brake, move the gear shift lever to neutral and move the power take off (PTO) to disengaged. Now start the engine. While the engine is running, depress the clutch, place the gear shift lever into gear, release the parking brake and begin driving the tractor.

  • Page 18: Driving Forward Or Backward

    Operation Driving Forward or Backward Always start the machine and change gears by depressing the clutch pedal (Fig. 12). In most conditions, the machine is powerful enough to move The throttle control regulates the engine speed as out in any speed. If it will not move out in a selected measured in rpm (revolutions per minute).

  • Page 19: Attachment Lift Lever

    Operation POTENTIAL HAZARD Someone could move or attempt to operate the tractor while it is unattended. WHAT CAN HAPPEN Children or bystanders may be injured if they use the tractor. HOW TO AVOID THE HAZARD Always remove the ignition and key choice keys and set the parking brake when Figure 13 leaving the machine unattended, even if...

  • Page 20: Lights

    Operation Slide the seat to the desired position and tighten Remove hairpin cotters from trunnion and the knobs. bottom of yoke (Fig. 16). Unlatch and remove clevis pin that secures yoke assembly to clutch shaft. Pivot yoke out and forward to remove from clutch shaft and engagement plate (Fig.

  • Page 21: Maintenance

    Maintenance Service Interval Chart Each Storage Service Operation Hours Hours Hours Hours Hours Service Oil—check level Oil—change* Initial Oil filter—change* (200 hours or every other oil change) Safety System—check Brake—check Foam Air Cleaner—service* Paper Air Cleaner—replace* Spark Plug(s)—check Chassis—grease* Belts—check for wear/cracks Gasoline—drain Engine—clean outside and air intake* Chipped Surfaces—paint...

  • Page 22: Air Cleaner

    Maintenance Air Cleaner Unscrew the nut and remove the cover, foam element and paper element (Fig. 17). Service Interval/Specification Carefully slide the foam element off the paper element (Fig. 17). Foam Element: Clean and re-oil after every 25 operating hours, or yearly, whichever occurs first. Cleaning the Foam and Paper Elements Paper Element: Replace after every 100 operating hours or yearly, whichever occurs first.
  • Page 23 Maintenance Paper Element Installing the Foam and Paper Elements A. Lightly tap the element on a flat surface to IMPORTANT: To prevent engine damage, remove dust and dirt (Fig. 19). always operate the engine with the complete foam and paper air cleaner assembly B.

  • Page 24: Engine Oil

    Maintenance Engine Oil Checking Oil Level Park the machine on a level surface, disengage Service Interval/Specification the power take off (PTO), set the parking brake, and turn the ignition key to “OFF” to stop the Change oil: engine. Remove the key. After the first 5 operating hours.
  • Page 25 Maintenance Changing/Draining Oil Change Oil Filter Service Interval/Specification Start the engine and let it run five minutes. This warms the oil so it drains better. Replace the oil filter after every 200 hours or every Park the machine so that the drain side is slightly other oil change.

  • Page 26: Spark Plug

    Maintenance Spark Plug Checking the Spark Plug Look at the center of the spark plug(s) (Fig. 24). Service Interval/Specification If you see light brown or gray on the insulator, the engine is operating properly. A black coating Check the spark plug(s) after every 200 operating on the insulator usually means the air cleaner is hours.

  • Page 27: Greasing And Lubrication

    Maintenance Greasing and Lubrication Lubricate the pedal(s) where it pivots on the mounting shaft, steering shaft and spread grease on steering sector teeth (Fig. 26). 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.

  • Page 28: Tire Pressure

    Maintenance Tire Pressure Cleaning Engine Cooling Systems Service Interval/Specification Before each use, check and clean cooling screen. Maintain the air pressure in the front and rear tires as Remove any build–up of grass, dirt or other debris specified. Check the pressure at the valve stem after from the engine air intake.

  • Page 29: Brake

    Maintenance Brake tractor. If brake action and free wheel rotation cannot be achieved contact your service dealer immediately. 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. Checking the Brake Park the machine on a level surface, disengage the power take off (PTO), set the parking brake,...

  • Page 30: Pto (Power Take Off) Clutch And Brake

    Maintenance PTO (Power Take Off) Clutch and Brake Service Interval/Specification Check PTO clutch and brake after every 100 operating hours or yearly, whichever occurs first. If attachment drive slippage or slow stopping is noticed adjust clutch and brake. m–3444 Adjusting PTO Clutch and Brake Figure 30 1.

  • Page 31: Front Wheel Toe-In

    Maintenance Front Wheel Toe-In Adjusting Toe-In Check the toe-in before you adjust it; refer to Service Interval/Specification Measuring Toe-In, Page 29. Maintain toe-in of the front wheels as specified. If Remove ball joint from one steering lever uneven tire wear, lawn scuffing or hard steering (Fig.

  • Page 32: Fuel Tank

    Maintenance Fuel Tank Pull the fuel line off fuel shut-off valve (Fig. 33). Open fuel shut-off valve and allow gasoline to drain into a gas can or drain pan. Draining The Fuel Tank Note: Now is the best time to install a new fuel filter because the fuel tank is empty.

  • Page 33: Transaxle Fluid

    Maintenance Transaxle Fluid If oil level is low, slowly pour only enough oil into the filler tube to raise the level to the “FULL” mark. Service Interval/Specification IMPORTANT: Do not fill above the “Full” Check fluid level before every use. Always keep the line as fluid may overflow when operating.

  • Page 34: Headlights

    Maintenance Headlights Installing the Bulb Locate index boss horizontal and twist bulb Removing the Bulb under tabs on left side of pocket (Fig. 36). Disengage the power take off (PTO), set the Hold bulb in socket with retainer bracket and parking brake, and turn the ignition key to secure with screw (Fig.

  • Page 35: Battery

    Maintenance Battery Front Service Interval/Specification Check the electrolyte level in the battery every five hours. Always keep the battery clean and fully charged. Use a paper towel to clean the battery case. If the battery terminals are corroded, clean them with a solution of four parts water and one part baking soda.
  • Page 36 Maintenance Checking Electrolyte Level Charging the Battery With the engine off, open the hood to see the IMPORTANT: Always keep the battery fully battery. charged (1.260 specific gravity). This is especially important to prevent battery Open covers to see into the cells. The electrolyte damage when the temperature is below 32 F must be up to the lower part of the tube (0 C).

  • Page 37: Fuse

    Maintenance Fuse Service Interval/Specification The electrical system is protected by fuses. It requires no maintenance, however, if a fuse blows check component/circuit for malfunction or short. To replace fuses pull up on the fuse (Fig. 39) to remove or replace it. Fuse: Main F1–30 amp, blade-type Alternator F2–25 amp, blade-type...

  • Page 38: Wiring Diagram

    Maintenance Wiring Diagram...

  • Page 39: Cleaning And Storage

    Maintenance Cleaning and Storage 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 Disengage the power take off (PTO), set the 40 F (4 C), check the water level in the parking brake, and turn the ignition key to battery and charge it every 30 days.

  • Page 40: Troubleshooting

    Troubleshooting PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION Starter does not crank Blade control (PTO) is Move blade control (PTO) to ENGAGED. DISENGAGED. Parking brake is not on. Set parking brake. Operator is not seated. Sit on the seat. Speed selector not in “N” Move speed selector to “N”...
  • Page 41 Troubleshooting PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION Engine overheats. Engine load is excessive. Shift into lower gear to reduce ground speed. Oil level in crankcase is low. Add oil to crankcase. Cooling fins and air passages Remove obstruction from under engine blower housing cooling fins and air passages.
  • Page 44 Rev. 7/21/97...

This manual is also suitable for:

Wheel horse 312-8

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