Introduction

This machine is a ride-on, rotary-blade lawn mower intended to be used by homeowners in residential applications. It is primarily designed for cutting grass on well-maintained lawns. It is not designed for cutting brush, mowing grass and other growth alongside highways, or for agricultural uses.

Read this information carefully to learn how to operate and maintain your product properly and to avoid injury and product damage. You are responsible for operating the product properly and safely.

You may contact Toro directly at www.Toro.com for product safety and operation training materials, accessory information, help finding a dealer, or to register your product.

Whenever you need service, genuine Toro parts, or additional information, contact an Authorized Service Dealer or Toro Customer Service and have the model and serial numbers of your product ready. Figure 1 identifies the location of the model and serial numbers on the product. Write the numbers in the space provided.

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Write the product model and serial numbers in the space below:

This manual identifies potential hazards and has safety messages identified by the safety-alert symbol (Figure 2), which signals a hazard that may cause serious injury or death if you do not follow the recommended precautions.

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This manual uses 2 words to highlight information. Important calls attention to special mechanical information and Note emphasizes general information worthy of special attention.

Warning

This product contains a chemical or chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

This spark ignition system complies with Canadian ICES-002

It is a violation of California Public Resource Code Section 4442 or 4443 to use or operate the engine on any forest-covered, brush-covered, or grass-covered land unless the engine is equipped with a spark arrester, as defined in Section 4442, maintained in effective working order or the engine is constructed, equipped, and maintained for the prevention of fire.

For models with stated engine horsepower, the gross horsepower of the engine was laboratory rated by the engine manufacturer in accordance with SAE J1940. As configured to meet safety, emission, and operating requirements, the actual engine horsepower on this class of lawn mower will be significantly lower.

Safety

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." Failure to comply with the instruction may result in personal injury or death.

Safe Operating Practices

This product is capable of amputating hands and feet and throwing objects. Always follow all safety instructions to avoid serious injury or death.

The following instructions are adapted from ANSI standard B71.1-2012. All the language within this ANSI standard applies to this machine; however, due to the application of the standard across many different types of products some statements can seem general or misleading. In these instances, Toro has refined the statement to convey the meaning of the standard while better matching the product this Operator's Manual pertains. Safety information in addition to the instructions found in the ANSI standard below can be found in Toro Riding Mower Safety at the end of this section.

General Operation

  • Read, understand, and follow all instructions in the operator's manual and on the machine before starting.

  • Do not place hands or feet near rotating parts or under the machine. Keep clear of the discharge opening at all times.

  • Allow only responsible adults who are familiar with the instructions to operate the machine.

  • Clear the area of objects such as rocks, toys, wire, etc., which could be picked up and thrown by the blade.

  • Be sure the area is clear of other people before mowing. Stop the machine if anyone enters the area.

  • Never carry passengers.

  • Do not mow in reverse unless absolutely necessary. Always look down and behind before and while backing up.

  • Be aware of the mower discharge direction and do not point it at anyone. Avoid discharging material against a wall or obstruction. Material may ricochet back toward the operator. Stop the blade(s) when crossing gravel surfaces.

  • Do not operate the machine without deflector, discharge cover or entire grass collection system in place and working.

  • Be alert, slow down and use caution when making turns. Look behind and to the side before changing directions.

  • Never leave a running machine unattended. Always turn off blades, set parking brake, stop engine, and remove key before dismounting.

  • Turn off blades when not mowing. Stop the engine, wait for all parts to come to a complete stop and remove the key before cleaning the machine, removing the grass catcher or unclogging the discharge chute.

  • Operate the machine only in daylight or good artificial light.

  • Do not operate the machine while under the influence of alcohol or drugs.

  • Watch for traffic when operating near or crossing roadways.

  • Use extra care when loading or unloading the machine into a trailer or truck.

  • Wear appropriate clothing including eye protection and substantial, slip-resistant shoes. Tie back long hair. Do not wear jewelry.

  • Always follow the recommendations for any application of counterweights.

  • Lightning can cause severe injury or death. If lightning is seen or thunder is heard in the area, do not operate the machine; seek shelter.

Slope Operation

Slopes are a major factor related to loss of control and tip-over accidents, which can result in severe injury or death. Operation on all slopes requires extra caution. If you cannot back up the slope or if you feel uneasy on it, do not mow it.

  • Do not mow slopes greater than 15 degrees.

  • Watch for ditches, holes, rocks, dips, and rises that change the operating angle, as rough terrain could overturn the machine.

  • Choose a low ground speed so you will not have to stop while operating on a slope.

  • Do not mow slopes when grass is wet. Slippery conditions reduce traction and could cause sliding and loss of control.

  • Always keep the drive wheels engaged when going down slopes.

  • Reduce speed and use extreme caution on slopes.

  • Do not make sudden turns or rapid speed changes.

  • Remove or mark obstacles such as rocks, tree limbs, etc. from the mowing area. Tall grass can hide obstacles.

  • Avoid sudden starts when mowing uphill because the mower may tip backwards.

  • Be aware that loss of traction may occur going downhill. Weight transfer to the front wheels may cause drive wheels to slip and cause loss of braking and steering.

  • Always avoid sudden starting or stopping on a slope. If tires lose traction, stop the machine, disengage the blades and proceed slowly off the slope.

  • Use extreme care with grass catchers or other attachments. These can change the stability of the machine and cause loss of control.

  • Do not try to stabilize the machine by putting your foot on the ground.

  • Do not mow near drop-offs, ditches, steep banks or water. Wheels dropping over edges can cause rollovers, which may result in serious injury, death or drowning.

  • Use a walk behind mower and/or a hand trimmer near drop-offs, ditches, steep banks or water.

Children

Tragic accidents can occur if the operator is not alert to the presence of children. Children are often attracted to the machine and the mowing activity. Never assume that children will remain where you last saw them.

  • Keep children out of the mowing area and under the watchful care of another responsible adult, not the operator.

  • Be alert and turn the machine off if children enter the area.

  • Before and while backing or changing direction, look behind, down, and side-to-side for small children.

  • Never carry children, even with the blades off. They may fall off and be seriously injured or interfere with safe machine operation.

  • Children who have been given rides in the past may suddenly appear in the mowing area for another ride and be run over or backed over by the mower.

  • Never allow children to operate the machine.

  • Use extra care when approaching blind corners, shrubs, trees, the end of a fence or other objects that may obscure vision.

Towing Safety

  • Do not attach towed equipment except at the hitch point.

  • Follow the attachment manufacturer's recommendation for weight limits for towed equipment and towing on slopes. Towed weight must not exceed the weight of the machine, operator, and ballast. Use counterweights or wheel weights as described in the attachment, or in the pulling machine Operator’s Manual.

  • Never allow children or others in or on towed equipment.

  • On slopes, the weight of the towed equipment may cause loss of traction, increased risk of rollover, and loss of control. Reduce the towed weight and slow down.

  • Stopping distance increases with the weight of the towed load. Travel slowly and allow extra distance to stop.

  • Make wide turns to keep the attachment clear of the machine.

Service

Safe Handling of Gasoline:

To avoid personal injury or property damage, use extra care when handling gasoline and other fuels. They are flammable and the vapors are explosive.

  • Extinguish all cigarettes, cigars, pipes and other sources of ignition.

  • Use only an approved container.

  • Never remove the gas cap or add fuel when the engine is running. Allow the engine to cool before refueling.

  • Never refuel the machine indoors.

  • Never store the machine or fuel container inside where there is an open flame, such as near a water heater or furnace.

  • Never fill containers inside a vehicle or on a truck or trailer with a plastic liner. Always place containers on the ground away from your vehicle before filling.

  • Remove gas-powered equipment from the truck or trailer and refuel it on the ground. If this is not possible, then refuel such equipment with a portable container, rather than from a gasoline dispenser nozzle.

  • Keep the nozzle in contact with the rim of the fuel tank or container opening at all times until the fueling is complete. Do not use a nozzle lock-open device.

  • If fuel is spilled on clothing, change clothing immediately.

  • Never overfill the fuel tank. Replace gas cap and tighten securely.

    General Service:

  • Never operate a machine inside a closed area. Engine exhaust contains carbon monoxide, which is an odorless, deadly poison that can kill you.

  • Keep nuts and bolts tight, especially the blade attachment bolts. Keep equipment in good condition.

  • Never interfere with the intended function of a safety device or to reduce the protection provided by a safety device. Check their proper operation regularly.

  • Keep the machine free of grass, leaves, or other debris build-up. Clean up oil or fuel spillage fuel soaked debris. Allow the machine to cool before storing.

  • Stop and inspect the equipment if you strike an object. Repair, if necessary, before restarting.

  • Never make any adjustments or repairs with the engine running.

  • 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 manufacturers' recommended parts, when necessary.

  • Mower blades are sharp and can cut. Wrap the blade(s) or wear thickly-padded gloves, and use extra caution when servicing them.

  • Check for proper brake operation frequently. Adjust and service as required.

  • Maintain or replace safety and instruction decals as necessary.

  • Use only genuine Toro replacement parts to ensure that original standards are maintained.

Slope Indicator

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Safety and Instructional Decals

Graphic

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.

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Product Overview

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Become familiar with all of the controls in Figure 4 and Figure 5 before you start the engine and operate the machine.

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Ignition Switch

The ignition switch has 3 positions: OFF, RUN, and START. The key turns to START and moves back to RUN upon release. Turning the key to the OFF position stops the engine; however, always remove the key when leaving the machine to prevent someone from accidentally starting the engine (Figure 5).

Throttle Control

The throttle controls the engine speed, and it has a continuous-variable setting from Slow to Fast ().

Blade-Control Switch (Power Takeoff)

The blade-control switch, represented by a power-takeoff (PTO) symbol, engages and disengages power to the mower blades (Figure 5).

Motion-Control Levers and Park Position

The motion-control levers are speed-sensitive controls of independent wheel motors. Moving a lever forward or backward turns the wheel on the same side forward or in reverse; the wheel speed is proportional to the amount you move the lever. Move the motion-control levers outward from the center to the PARK position when exiting the machine (Figure 13). Always position the motion-control levers into the PARK position when you stop the machine or leave it unattended.

Smart Speed

The Smart Speed™ Control-System lever, located below the operating position, gives you a choice to drive the machine at 3 speed ranges— trim, tow, and mow (Figure 16).

Fuel-Presence Window

You can use the fuel window, located on the left side of the machine, to verify the presence of gasoline in the tank (Figure 6).

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Height-of-Cut Lever

Use the height-of-cut lever to lower and raise the deck from the seated position. Moving the lever up (toward you) raises the deck from the ground and moving the lever down (away from you) lowers the deck toward the ground. Adjust the height-of-cut only while the machine is not moving; refer to Figure 17.

Operation

Note: Determine the left and right sides of the machine from the normal operating position.

Adding Fuel

  • For best results, use only clean, fresh (less than 30 days old), unleaded gasoline with an octane rating of 87 or higher ((R+M)/2 rating method).

  • Ethanol: Gasoline with up to 10% ethanol (gasohol) or 15% MTBE (methyl tertiary butyl ether) by volume is acceptable. Ethanol and MTBE are not the same. Gasoline with 15% ethanol (E15) by volume is not approved for use. Never use gasoline that contains more than 10% ethanol by volume, such as E15 (contains 15% ethanol), E20 (contains 20% ethanol), or E85 (contains up to 85% ethanol ). Using unapproved gasoline may cause performance problems and/or engine damage which may not be covered under warranty.

  • Do not use gasoline containing methanol.

  • Do not store fuel either in the fuel tank or fuel containers over the winter unless a fuel stabilizer is used.

  • Do not add oil to gasoline.

Danger

In certain conditions, gasoline is extremely flammable and highly explosive. A fire or explosion from gasoline can burn you and others and can damage property.

  • Fill the fuel tank outdoors, in an open area, when the engine is cold. Wipe up any gasoline that spills.

  • Never fill the fuel tank inside an enclosed trailer.

  • Do not fill the fuel tank completely full. Add gasoline to the fuel tank until the level is 6 to 13 mm (1/4 to 1/2 inch) below the bottom of the filler neck. This empty space in the tank allows gasoline to expand.

  • Never smoke when handling gasoline, 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.

  • Do not operate without entire exhaust system in place and in proper working condition.

Danger

In certain conditions during fueling, static electricity can be released, causing a spark that can ignite the gasoline vapors. A fire or explosion from gasoline can burn you and others and can damage property.

  • Always place gasoline containers on the ground away from your vehicle before filling.

  • Do not fill gasoline containers inside a vehicle or on a truck or trailer bed, because interior carpets or plastic truck bed liners may insulate the container and slow the loss of any static charge.

  • When practical, remove gas-powered equipment from the truck or trailer and refuel the equipment with its wheels on the ground.

  • If this is not possible, then refuel such equipment on a truck or trailer from a portable container rather than from a gasoline-dispenser nozzle.

  • If you must use a gasoline-dispenser nozzle, keep the nozzle in contact with the rim of the fuel tank or container opening at all times until fueling is complete.

Warning

Gasoline is harmful or fatal if swallowed. Long-term exposure to vapors can cause serious injury and illness.

  • Avoid prolonged breathing of vapors.

  • Keep face away from nozzle and gas tank or conditioner bottle opening.

  • Avoid contact with skin; wash off spills with soap and water.

Using Stabilizer/Conditioner

Use a fuel stabilizer/conditioner in the machine to provide the following benefits:

  • Keeps gasoline fresh during storage of 90 days or less. For longer storage it is recommended that the fuel tank be drained.

  • Cleans the engine while it runs.

  • Eliminates gum-like varnish buildup in the fuel system, which causes hard starting.

    Important: Do not use fuel additives containing methanol or ethanol.

    Add the correct amount of gasoline stabilizer/conditioner to the gasoline.

    Note: A fuel stabilizer/conditioner is most effective when mixed with fresh gasoline. To minimize the chance of varnish deposits in the fuel system, use fuel stabilizer at all times.

Filling the Fuel Tank

Note: Ensure that the engine is shut off and the motion-control levers are in the PARKED position.

Note: You can use the fuel window to verify the presence of gasoline before filling the tank (Figure 7).

Important: Do not overfill the fuel tank. Fill the fuel tank to the bottom of the filler neck. The empty space in the tank allows the fuel to expand. Overfilling may result in fuel leakage, damage to the engine, or damage to the emissions system.

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Checking the Engine-Oil Level

Before you start the engine and use the machine, check the oil level in the engine crankcase; refer to Checking the Engine-Oil Level.

Breaking in a New Machine

New engines take time to develop full power. Mower decks and drive systems have higher friction when new, placing additional load on the engine. Allow 40 to 50 hours of break-in time for new machines to develop full power and best performance.

Think Safety First

Please read all safety instructions and symbols in the safety section. Knowing this information could help you or bystanders avoid injury.

Danger

Operating the machine on wet grass or steep slopes can cause sliding and loss of control.

  • Do not operate on slopes greater than 15 degrees.

  • Reduce speed and use extreme caution on slopes.

  • Do not operate the machine near water.

Danger

Wheels dropping over edges can cause rollovers, which may result in serious injury, death, or drowning.

Do not operate the machine near drop-offs.

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Caution

This machine produces sound levels in excess of 85 dBA at the operator’s ear and can cause hearing loss through extended periods of exposure.

Wear hearing protection when operating this machine.

The use of protective equipment for eyes, ears, hands, feet, and head is recommended.

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Understanding the Safety-Interlock System

Warning

If the safety-interlock switches are disconnected or damaged, the machine could operate unexpectedly, causing personal injury.

  • Do not tamper with the interlock switches.

  • Check the operation of the interlock switches daily and replace any damaged switches before operating the machine.

The safety-interlock system is designed to prevent the engine from starting unless:

  • The blades are disengaged.

  • The motion-control levers are in the PARK position.

The safety-interlock system also is designed to stop the engine whenever the control levers are out of the PARK position and you rise from the seat.

Testing the Safety-Interlock System

Maintenance Service IntervalMaintenance Procedure
Before each use or daily
  • Check the safety-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. While sitting on the seat, with the control levers in the PARK position, and move the blade-control switch to the ON position. Try starting the engine; the engine should not crank.

    2. While sitting on the seat, move the blade-control switch to the OFF position. Move either motion control lever to the center, unlocked position. Try starting the engine; the engine should not crank. Repeat with the other motion-control lever.

    3. While sitting on the seat, move the blade control switch to the OFF position, and lock the motion-control levers in the PARK position. Start the engine. While the engine is running, engage the blade-control switch, and rise slightly from the seat; the engine should stop.

    4. While sitting on the seat, move the blade-control switch to the OFF position, and lock the motion-control levers in the PARK position. Start the engine. While the engine is running, move the motion-control levers to the center, unlocked position, engage the blade-control switch, and rise slightly from the seat; the engine should stop.

    Starting the Engine

    Important: Do not engage the starter for more than 10 seconds at a time. If the engine fails to start, wait 60 seconds between attempts. Failure to follow these instructions can damage the starter motor.

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    Operating the Blades

    The blade-control switch, engages and disengages power to the mower blades. This switch controls power to any attachments that draw power from the engine, including the mower deck and cutting blades.

    Engaging the Blades

    Important: Do not engage the blades when parked in tall grass. Belt or clutch damage can occur.

    Note: Always engage the blades with the throttle in the FAST position.

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    Disengaging the Blades

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    Stopping the Engine

    1. Disengage the blades by moving the blade-control switch to Off (Figure 12).

    2. Move the throttle lever to between the half and full throttle position.

    3. Turn the ignition key to Off and remove the key.

    Driving the Machine

    Driving the machine benefits from an understanding of what zero-turn-radius mower means. The drive wheels turn independently, powered by hydraulic motors on each axle; hence 1 side can turn in reverse while the other turns forward, causing the machine to spin rather than turn. This vastly improves the machine maneuverability but may require some adjustment if you are unfamiliar.

    Warning

    The machine can spin very rapidly. You may lose control of the machine and cause personal injury or damage to the machine.

    • Use caution when making turns.

    • Slow the machine down before making sharp turns.

    The throttle control regulates the engine speed as measured in rpm (revolutions per minute). Placing the throttle control in the FAST position can be best for performance. For most applications, operate the machine in the full-throttle position.

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    Driving Forward

    Note: Always use caution when backing up and turning.

    1. Move the levers to the center, unlocked position.

    2. To go forward, slowly push the motion-control levers forward (Figure 14).

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      To go straight, apply equal pressure to both motion-control levers (Figure 14).

      To turn, release pressure on the motion-control lever toward the direction you want to turn (Figure 14).

      The farther you move the motion-control levers in either direction, the faster the machine moves in that direction.

      To stop, pull the motion-control levers to neutral.

    Driving Backward

    Note: Always use caution when backing up and turning.

    1. Move the levers to the center, unlocked position.

    2. To go backward, look behind you and down, as you slowly pull the motion-control levers rearward (Figure 15).

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      To go straight, apply equal pressure to both motion-control levers (Figure 15).

      To turn, release the pressure on the motion-control lever toward the direction you want to turn.

      To stop, push the motion-control levers to neutral.

    Using the Smart Speed

    The Smart Speed TM Control-System lever, located below the operating position (Figure 16), gives the operator a choice to drive the machine at 3 ground speed ranges—trim, tow, and mow.

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    To change speeds, do the following:

    1. Move the motion-control levers to neutral and outward to the PARK position.

    2. Disengage the blade-control switch.

    3. Adjust the lever to the desired position.

    The following are only recommendations for use. Adjustments vary by grass type, moisture content, and the height of the grass.

    Suggested uses:TrimTowMow
    ParkingX  
    Heavy, wet grassX  
    TrainingX  
    Bagging X 
    Mulching X 
    Normal mowing  X
    Transport  X

    Trim

    This is the lowest speed. The suggested uses for this speed are as follows:

    • Parking

    • Heavy, wet grass mowing conditions

    • Training

    Tow

    This is the medium speed. The suggested uses for this speed are as follows:

    • Bagging

    • Mulching

    Mow

    This is the fastest speed. The suggested uses for this speed are as follows:

    • Normal mowing

    • Transporting the machine

    Stopping the Machine

    To stop the machine, move the motion-control levers to neutral and outward to the PARK position, disengage the blade-control switch, ensure the throttle is between half and full throttle, and turn the ignition key to off. Remove the key from the ignition switch.

    Warning

    Children or bystanders may be injured if they move or attempt to operate the mower while it is unattended.

    Always remove the ignition key and move the motion-control levers outward to the PARK position when leaving the machine unattended, even if just for a few minutes.

    Adjusting the Height-of-Cut

    Note: The transport position is the highest height-of-cut position or cutting height at 115 mm (4.5 inches) as shown in Figure 17.

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    Adjusting the Anti-Scalp Rollers

    Whenever you change the height-of-cut, adjust the height of the anti-scalp rollers.

    Note: Adjust the anti-scalp rollers so that the rollers do not touch the ground in normal, flat mowing areas.

    1. Disengage the blade-control switch (PTO), move the motion-control levers to the PARK position, and set the parking brake.

    2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position.

    3. Adjust the anti-scalp rollers to 1 of the following positions:

      • Upper hole—use this position with the mower deck in the 63 mm (2-1/2 inch) and below the height-of-cut positions (Figure 18).

      • Lower hole—use this position with the mower deck in the 76 mm (3 inch) and above the height-of-cut positions (Figure 18).

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    Positioning the Seat

    Move the seat forward or backward as shown in Figure 19.

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    Adjusting the Motion-Control Levers

    Adjusting the Height

    You can adjust the motion-control levers higher or lower for maximum comfort (Figure 20).

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    Adjusting the Tilt

    You can adjust the motion-control levers fore or aft for your comfort.

    1. Loosen the upper bolt holding the control lever to the control-arm shaft.

    2. Loosen the lower bolt just enough to pivot the control lever fore or aft (Figure 20).

    3. Tighten both bolts to secure the control lever in the new position.

    4. Repeat the adjustment for the opposite control lever.

    Pushing the Machine by Hand

    Important: Always push the machine by hand. Do not tow the machine, because damage may occur.

    This machine has an electric-brake mechanism, and to push the machine, turn the ignition key to the RUN position. The battery needs to be charged and functioning to disengage the electric brake.

    Pushing the Machine

    1. Park the machine on a level surface and disengage the blade-control switch.

    2. Move the motion-control levers outward to the PARK position, shut off the engine, and wait for all moving parts to stop before leaving the operating position.

    3. Locate the bypass levers on the frame on both sides of the engine.

    4. Move the bypass levers forward through the key hole and down to lock them in place (Figure 21).

      Note: Do this for each lever.

    5. Move the motion-control levers inward to the NEUTRAL position and turn the ignition key to the RUN position.

      Note: Do not start the machine.

      Note: You can now push the machine by hand.

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    6. When finished, turn the key to the STOP position to avoid draining the battery charge.

    Note: If the machine fails to move, the electric brake may still be engaged. If necessary, release the electric brake manually; refer to Releasing the Electric Brake.

    Operating the Machine

    Move the bypass levers rearward through the key hole and down to lock them in place as shown in Figure 21.

    Note: Do this for each lever.

    Transporting the Machine

    Use a heavy-duty trailer or truck to transport the machine. Ensure that the trailer or truck has all necessary brakes, lighting, and marking as required by law. Please carefully read all the safety instructions. Knowing this information could help you, your family, pets, or bystanders avoid injury.

    Warning

    Driving on the street or roadway without turn signals, lights, reflective markings, or a slow-moving-vehicle emblem is dangerous and can lead to accidents causing personal injury.

    Do not drive machine on a public street or roadway.

    To transport the machine:

    1. If using a trailer, connect it to the towing vehicle and connect the safety chains.

    2. If applicable, connect the trailer brakes.

    3. Load the machine onto the trailer or truck.

    4. Shut off the engine, remove the key, set the brake, and close the fuel valve.

    5. Tie down the machine near the front caster wheels and the rear bumper (Figure 22).

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    Loading the Machine

    Use extreme caution when loading or unloading the machine onto a trailer or a truck. Use a full-width ramp that is wider than the machine for this procedure. Back the machine up the ramps and drive it forward down the ramps (Figure 23).

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    Important: Do not use narrow individual ramps for each side of the machine.

    Ensure the ramp is long enough so that the angle with the ground does not exceed 15 degrees (Figure 24). On flat ground, this requires a ramp to be at least four times (4X) as long as the height of the trailer or truck bed to the ground. A steeper angle may cause mower components to get caught as the machine moves from the ramp to the trailer or truck. Steeper angles may also cause the machine to tip or lose control. If you are loading the machine on or near a slope, position the trailer or truck so that it is on the down side of the slope and the ramp extends up the slope. This will minimize the ramp angle.

    Warning

    Loading a machine onto a trailer or truck increases the possibility of a tip-over and could cause serious injury or death.

    • Use extreme caution when operating a machine on a ramp.

    • Use only a full-width ramp; do not use individual ramps for each side of the machine.

    • Do not exceed a 15-degree angle between the ramp and the ground or between the ramp and the trailer or truck.

    • Ensure the length of ramp is at least four times (4X) as long as the height of the trailer or truck bed to the ground. This will ensure that ramp angle does not exceed 15 degrees on flat ground.

    • Back the machine up ramps and drive it forward down ramps.

    • Avoid sudden acceleration or deceleration while driving the machine on a ramp as this could cause a loss of control or a tip-over.

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    Operating Tips

    Fast Throttle Setting

    For best mowing and maximum air circulation, operate the engine at the FAST position. Air is required to thoroughly cut grass clippings, so do not set the height-of-cut so low as to totally surround the mower in uncut grass. Always try to have 1 side of the mower free from uncut grass, which allows air to be drawn into the mower.

    Using the Smart Speed

    The Smart Speed™ Control System lever, located below the operating position, gives you a choice to drive the machine at 3 speed ranges—high, tow, and low. You can benefit from the lower speed setting when maneuvering the machine in tight spaces or operating around delicate landscapes. You can also use the low setting to operate the machine at a high throttle setting and blade speed while still being able to reduce ground speed to increase quality of cut.

    Cutting a Lawn for the First Time

    Cut the grass slightly longer than normal to ensure that the cutting height of the mower does not scalp any uneven ground. However, the cutting height used in the past is generally the best to use. When cutting grass longer than 15.2 cm (6 inches) tall, you may want to cut the lawn twice to ensure an acceptable quality of cut.

    Cut a Third of the Grass Blade

    It is best to cut only about 1/3 of the grass blade. Cutting more than that is not recommended unless grass is sparse, or it is late fall when grass grows more slowly.

    Mowing Direction

    Alternate the mowing direction to keep the grass standing straight. This also helps disperse clippings, which enhances decomposition and fertilization.

    Mow at Correct Intervals

    Normally, mow every 4 days. However, grass grows at different rates at different times. To maintain the same cutting height, which is a good practice, mow more often in early spring. As the grass growth rate slows in mid summer, mow less frequently. If you cannot mow for an extended period, first mow at a high cutting height; then mow again 2 days later at a lower height setting.

    Avoid Cutting Too Low

    If the cutting width of the mower is wider than the mower you previously used, raise the cutting height to ensure that uneven turf is not cut too short.

    Long Grass

    If the grass is ever allowed to grow slightly longer than normal, or if it contains a high degree of moisture, raise the cutting height higher than usual and cut the grass at this setting. Then cut the grass again using the lower, normal setting.

    When Stopping

    If you must stop the machine's forward motion while mowing, a clump of grass clippings may drop onto your lawn. To avoid this, move onto a previously cut area with the blades engaged.

    Keep the Underside of the Mower Clean

    Clean clippings and dirt from the underside of the mower after each use. If grass and dirt build up inside the mower, the cutting quality eventually becomes unsatisfactory.

    Blade Maintenance

    Maintain a sharp blade throughout the cutting season, because a sharp blade cuts cleanly without tearing or shredding the grass blades. Tearing and shredding turns grass brown at the edges, which slows growth and increases the chance of disease. Check the cutter blades daily for sharpness and for any wear or damage. File down any nicks and sharpen the blades as necessary. If a blade is damaged or worn, replace it immediately with a genuine Toro replacement blade.

    Maintenance

    Note: Determine the left and right sides of the machine from the normal operating position.

    Recommended Maintenance Schedule(s)

    Maintenance Service IntervalMaintenance Procedure
    Before each use or daily
  • Check the safety-interlock system.
  • Check the air cleaner for dirty, loose or damaged parts.
  • Check the engine-oil level.
  • Check the cutting blades.
  • Inspect the grass deflector for damage.
  • After each use
  • Clean the mower-deck housing.
  • Every 25 hours
  • Grease all the lubrication points.
  • Check tire pressure.
  • Check the belts for wear or cracks.
  • Every 50 hours
  • Service the air-cleaner paper element(more often under extremely dusty, dirty conditions).
  • Every 100 hours
  • Replace the air-cleaner paper element(more often under extremely dusty, dirty conditions).
  • Change the engine oil and the engine-oil filter.
  • Clean the blower housing (more often under extremely dusty, dirty conditions).
  • Replace the in-line fuel filter.
  • Every 200 hours
  • Check the spark plug(s) condition and gap.
  • Every 500 hours
  • Replace the spark plug(s).
  • Before storage
  • Charge the battery and disconnect the battery cables.
  • Perform all maintenance procedures listed above before storage.
  • Paint any chipped surfaces.
  • Important: Refer to your engine owner's manual for additional maintenance procedures.

    Caution

    If you leave the key in the ignition switch, someone could accidently start the engine and seriously injure you or other bystanders.

    Remove the key from the ignition and disconnect the wire from the spark plug before you do any maintenance. Set the wire aside so that it does not accidentally contact the spark plug.

    Pre-Maintenance Procedures

    Raising the Seat

    Make sure that the motion-control levers are locked in the PARK position. Lift the seat forward.

    You can access the following components by raising the seat:

    • Serial plate

    • Service decal

    • Seat-adjustment bolts

    • Fuel filter

    • Battery and battery cables

    Lubrication

    Greasing the Bearings

    Maintenance Service IntervalMaintenance Procedure
    Every 25 hours
  • Grease all the lubrication points.
  • Grease Type: No. 2 lithium grease

    1. Park the machine on a level surface and disengage the blade-control switch.

    2. Move the motion-control levers outward to the PARK position, shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position.

    3. Clean the grease fittings (Figure 25 and Figure 26) with a rag.

      Note: Make sure to scrape any paint off the front of the fitting(s).

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    4. Connect a grease gun to each fitting (Figure 25 and Figure 26).

    5. Pump grease into the fittings until grease begins to ooze out of the bearings.

    Engine Maintenance

    Servicing the Air Cleaner

    Maintenance Service IntervalMaintenance Procedure
    Before each use or daily
  • Check the air cleaner for dirty, loose or damaged parts.
  • Every 50 hours
  • Service the air-cleaner paper element(more often under extremely dusty, dirty conditions).
  • Every 100 hours
  • Replace the air-cleaner paper element(more often under extremely dusty, dirty conditions).
  • This engine is equipped with a replaceable, high-density paper air-cleaner element. Check the air cleaner daily or before starting the engine. Check for a buildup of dirt and debris around the air-cleaner system. Keep this area clean. Also, check for loose or damaged components. Replace all bent or damaged air-cleaner components.

    Note: Operating the engine with loose or damaged air-cleaner components could allow unfiltered air into the engine, causing premature wear and failure.

    1. Rotate the latches outward.

    2. Remove the cover to access the air-cleaner element ().

    3. Remove the element, and gently tap the element to dislodge dirt.

      Note: Do not wash the paper element or use pressurized air, as this will damage the element.

      Note: Replace a dirty, bent, or damaged element. Handle the new element carefully; do not use if the sealing surfaces are bent or damaged.

    4. Clean the air-cleaner base as required and check the condition.

    5. Install the paper element onto the air-cleaner base.

    6. Install the cover and secure it with the latches (Figure 27).

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    Servicing the Engine Oil

    Oil Type: Detergent oil (API service SJ or higher)

    Crankcase Capacity: 1.9 L (64 oz) when the filter is changed

    Viscosity: See the table below.

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    Checking the Engine-Oil Level

    Maintenance Service IntervalMaintenance Procedure
    Before each use or daily
  • Check the engine-oil level.
    1. Park the machine on a level surface, disengage the blade-control switch, shut off the engine, and remove the key.

    2. Make sure the engine is stopped, level, and cool so the oil has time to drain into the sump.

    3. Check the engine-oil level (Figure 29).

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    Changing the Engine Oil and the Engine-Oil Filter

    Maintenance Service IntervalMaintenance Procedure
    Every 100 hours
  • Change the engine oil and the engine-oil filter.
  • Note: The drain plug is attached to the drain hose.

    Note: Dispose the used oil at a recycling center.

    Fill with oil as specified in the “Viscosity Grades” table (Figure 28).

    1. Park the machine so that the drain side is slightly lower than the opposite side to ensure that the oil drains completely.

    2. Disengage the blade-control switch and move the motion-control levers outward to the PARK position.

    3. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position.

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    4. Torque the plug to 14 N·m (125 in-lb).

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    5. Slowly pour approximately 80% of the specified oil into the filler tube (Figure 32).

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    Servicing the Spark Plug

    Maintenance Service IntervalMaintenance Procedure
    Every 200 hours
  • Check the spark plug(s) condition and gap.
  • Every 500 hours
  • Replace the spark plug(s).
  • The spark plug is RFI compliant. Equivalent alternate brand plugs can also be used.

    Type: Champion XC12YC

    Air Gap: 0.76 mm (0.03 inch)

    Removing the Spark Plug

    1. Disengage the blade-control switch, move the motion-control levers outward to the PARK position, shut off the engine, and remove the key.

    2. Before removing the spark plug(s), clean the area around the base of the plug to keep dirt and debris out of the engine.

    3. Remove the spark plug (Figure 33).

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    Checking the Spark Plug

    Important: Do not clean the spark plug(s). Always replace the spark plug(s) when it has: a black coating, worn electrodes, an oily film, or cracks.

    Note: 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.

    Set the gap to 0.76 mm (0.030 inch).

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    Installing the Spark Plug

    Tighten the spark plug to 25 to 29 N·m (18 to 22 ft-lb).

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    Cleaning the Blower Housing

    Maintenance Service IntervalMaintenance Procedure
    Every 100 hours
  • Clean the blower housing (more often under extremely dusty, dirty conditions).
  • To ensure proper cooling, make sure that the grass screen, cooling fins, and other external surfaces of the engine are kept clean at all times.

    Annually, or every 100 hours of operation (more often under extremely dusty, dirty conditions), remove the blower housing and any other cooling shrouds. Clean the cooling fins and external surfaces as necessary. Make sure that the cooling shrouds are installed. Torque the blower housing screws to 7.5 N·m (5.5 ft-lb).

    Important: Operating the engine with a blocked grass screen, dirty or plugged cooling fins, and/or cooling shrouds removed, causes engine damage due to overheating.

    Fuel System Maintenance

    Danger

    In certain conditions, gasoline is extremely flammable and highly explosive. A fire or explosion from gasoline can burn you and others and can damage property.

    • Perform any fuel-related maintenance when the engine is cold. Do this outdoors in an open area. Wipe up any gasoline that spills.

    • Never smoke when draining gasoline and stay away from an open flame or where a spark may ignite the gasoline fumes.

    Replacing the In-Line Fuel Filter

    Maintenance Service IntervalMaintenance Procedure
    Every 100 hours
  • Replace the in-line fuel filter.
  • Never install a dirty filter if it is removed from the fuel line.

    1. Park the machine on a level surface and disengage the blade-control switch.

    2. Move the motion-control levers outward to the PARK position, shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position.

    3. Replace the in-line filter (Figure 36).

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    Electrical System Maintenance

    Warning

    Battery posts, terminals, and related accessories contain lead and lead compounds, chemicals known to the State of California to cause cancer and reproductive harm. Wash hands after handling.

    Charging the Battery

    Removing the Battery

    Warning

    Battery terminals or metal tools could short against metal machine components causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury.

    • When removing or installing the battery, do not allow the battery terminals to touch any metal parts of the machine.

    • Do not allow metal tools to short between the battery terminals and metal parts of the machine.

    1. Park the machine on a level surface and disengage the blade-control switch.

    2. Move the motion-control levers outward to the PARK position, shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position.

    3. Raise the seat to access the battery.

    4. Disconnect the negative (black) ground cable from the battery post (Figure 37).

      Note: Retain all fasteners.

      Warning

      Incorrect battery-cable routing could damage the machine and cables causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury.

      • Always disconnect the negative (black) battery cable before disconnecting the positive (red) cable.

      • Always connect the positive (red) battery cable before connecting the negative (black) cable.

    5. Slide the rubber cover up the positive (red) cable.

    6. Disconnect the positive (red) cable from the battery post (Figure 37).

      Note: Retain all fasteners.

    7. Remove the battery hold-down and lift the battery from the battery tray (Figure 37).

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    Charging the Battery

    Maintenance Service IntervalMaintenance Procedure
    Before storage
  • Charge the battery and disconnect the battery cables.
    1. Remove the battery from the chassis; refer to Removing the Battery.

    2. Charge the battery for a minimum of 1 hour at 6 to 10 A.

      Note: Do not overcharge the battery.

    3. When the battery is fully charged, unplug the charger from the electrical outlet, then disconnect the charger leads from the battery posts (Figure 38).

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    Installing the Battery

    1. Position the battery in the tray (Figure 37).

    2. Using the fasteners previously removed, install the positive (red) battery cable to the positive (+) battery terminal.

    3. Using the fasteners previously removed, install the negative battery cable to the negative (-) battery terminal.

    4. Slide the red terminal boot onto the positive (red) battery post.

    5. Secure the battery with the hold-down (Figure 37).

    6. Lower the seat.

    Servicing the Fuses

    The electrical system is protected by fuses. It requires no maintenance; however, if a fuse blows, check the component or circuit for a malfunction or short.

    Fuse type:

    • Main—F1-30 amp, blade-type

    • Charge Circuit—F2-25 amp, blade-type

    1. Remove the screws securing the control panel to the machine.

      Note: Retain all fasteners.

    2. Lift the control panel up to access the main wiring harness and fuse block (Figure 39).

    3. To replace a fuse, pull out the fuse to remove it (Figure 39).

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    4. Return the control panel to its original position.

      Note: Use the screws removed previously to secure the panel to the machine.

    Drive System Maintenance

    Checking the Tire Pressure

    Maintenance Service IntervalMaintenance Procedure
    Every 25 hours
  • Check tire pressure.
  • Maintain the air pressure in the front and rear tires as specified. Uneven tire pressure can cause uneven cut. Check the pressure at the valve stem (Figure 40). Check the tires when they are cold to get the most accurate pressure reading.

    Refer to the maximum pressure suggested by the tire manufacturer on the sidewall of the caster wheel tires.

    Inflate the rear drive-wheel tires to 90 kPa (13 psi).

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    Releasing the Electric Brake

    The electric brake releases by manually rotating the link arms forward. Once the electric brake is energized the brake resets.

    To release the brake:

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    1. Turn the ignition key to the OFF position or disconnect the battery.

    2. Locate the shaft on the electric brake where the brake-link arms are connected.

    3. Rotate the shaft forward to release the brake.

    Mower Maintenance

    Servicing the Cutting Blades

    Maintain sharp blades throughout the cutting season, because sharp blades cut cleanly without tearing or shredding the grass blades. Tearing and shredding the grass turns it brown at the edges, which slows growth and increases the chance of disease.

    Check the cutting blades daily for sharpness and for any wear or damage. File down any nicks and sharpen the blades as necessary. If a blade is damaged or worn, replace it immediately with a genuine Toro replacement blade. For convenient sharpening and replacement, keep extra blades on hand.

    Warning

    A worn or damaged blade can break and a piece of the blade could be thrown at you or bystanders, resulting in serious personal injury or death.

    • Inspect the blade periodically for wear or damage.

    • Replace a worn or damaged blade.

    Before Inspecting or Servicing the Blades

    Park the machine on a level surface, disengage the blade-control switch, move the motion-control levers outward to the PARK position, shut off the engine, and remove the key.

    Inspecting the Blades

    Maintenance Service IntervalMaintenance Procedure
    Before each use or daily
  • Check the cutting blades.
    1. Inspect the cutting edges (Figure 42).

      Note: If the edges are not sharp or have nicks, remove and sharpen the blades; refer to Sharpening the Blades.

    2. Inspect the blades, especially the curved area (Figure 42).

      Note: If you notice any damage, wear, or a slot forming in this area (items 3 and 4 in Figure 42), immediately install a new blade.

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    Checking for Bent Blades

    Note: Park the machine on a level surface for the following procedure.

    1. Raise the mower deck to the highest height-of-cut position.

    2. While wearing thickly padded gloves, or other adequate hand protection, slowly rotate the blade to be measured into a position that allows you to effectively measure the distance between the cutting edge and the level surface that the machine is on (Figure 43).

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    3. Measure from the tip of the blade to the flat surface (Figure 44).

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    4. Rotate the same blade 180 degrees so that the opposing cutting edge is now in the same position (Figure 45).

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    5. Measure from the tip of the blade to the flat surface (Figure 46).

      Note: The variance should be no more than 3 mm (1/8 inch).

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      1. If the difference between A and B is greater than 3 mm (1/8 inch), replace the blade with a new blade; refer to Removing the Blades and Installing the Blades.

        Note: If you replace a bent blade with a new one and the dimension obtained continues to exceed 3 mm (1/8 inch), the blade spindle could be bent. Contact an Authorized Toro Dealer for service.

      2. If the variance is within constraints, move to the next blade.

    6. Repeat steps 1 through 6 for each blade.

    Removing the Blades

    Replace a blade if it hits a solid object, if the blade is out of balance, or if the blade is bent. To ensure optimum performance and continued safety conformance of the machine, use genuine Toro replacement blades. Replacement blades made by other manufacturers may result in non-conformance with safety standards.

    1. Hold the blade end using a rag or thickly padded glove.

    2. Remove the blade bolt, curved washer, and blade from the spindle shaft (Figure 47).

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    Sharpening the Blades

    1. Use a file to sharpen the cutting edge at both ends of the blade (Figure 48).

      Note: Maintain the original angle.

      Note: The blade retains its balance if you remove the same amount of material from both cutting edges.

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    2. Check the balance of the blade by putting it on a blade balancer (Figure 49).

      Note: If the blade stays in a horizontal position, the blade is balanced and ready to use.

      Note: If the blade is not balanced, file some metal off only the end of the sail area (Figure 48).

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    3. Repeat this procedure until the blade is balanced.

    Installing the Blades

    1. Install the blade onto the spindle shaft (Figure 47).

      Important: The curved part of the blade must point upward toward the inside of the mower to ensure proper cutting.

    2. Install the curved washer (cupped side toward the blade) and the blade bolt (Figure 47).

    3. Torque the blade bolt to 47 to 88 N·m (35 to 65 ft-lb).

    Leveling the Mower Deck

    Ensure that the mower deck is level any time you install the mower deck or when you see an uneven cut on your lawn.

    Check the mower deck for bent blades prior to leveling; remove and replace any bent blades; refer to the Checking for Bent Blades before continuing.

    Level the mower deck side-to-side before adjusting the front-to-rear slope.

    Requirements:

    Leveling from Side to Side

    1. Park the machine on a level surface and disengage the blade-control switch.

    2. Move the motion-control levers outward to the PARK position, shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position.

    3. Set the height-of-cut lever to middle position.

    4. Carefully rotate the blade(s) so that they are all side to side (Figure 50 and Figure 51).

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    5. Measure between the outside cutting edges and the flat surface (Figure 50).

      Note: If both measurements are not within 5 mm (3/16 inch), an adjustment is required; continue with this procedure.

    6. Move to the left side of the machine.

    7. Loosen the side locking nut.

    8. Raise or lower the left side of the mower deck by rotating the rear locking nut. (Figure 52).

      Note: Rotate the rear locking nut clockwise to raise the mower deck; rotate the rear locking nut counter-clockwise to lower the mower deck.

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    9. Check the side-to-side adjustments again. Repeat this procedure until the measurements are correct.

    10. Continue leveling the deck by checking the front-to-rear blade slope; refer to Adjusting the Front-to-Rear Blade Slope.

    Adjusting the Front-to-Rear Blade Slope

    Check the front-to-rear blade level any time you install the mower. If the front of the mower is more than 7.9 mm (5/16 inch) lower than the rear of the mower, adjust the blade level using the following procedure:

    1. Park the machine on a level surface and disengage the blade-control switch.

    2. Move the motion-control levers outward to the PARK position, shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position.

    3. Set the height-of-cut lever to middle position.

      Note: Check and adjust the side-to-side blade level if you have not checked the setting; refer to Leveling from Side to Side.

    4. Carefully rotate the blades so that they are facing front to rear (Figure 53 andFigure 54).

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    5. Measure from the tip of the front blade to the flat surface, and the tip of the rear blade to the flat surface (Figure 53).

      Note: If the front blade tip is not 1.6 to 7.9 mm (1/16 to 5/16 inch) lower than the rear blade tip, adjust the front locknut.

    6. To adjust the front-to-rear blade slope, rotate the adjustment nut in the front of the mower (Figure 55).

      Note: To raise the front of the mower, tighten the adjustment nut. To lower the front of the mower, loosen the adjustment nut.

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    7. After adjustment, check the front-to-rear slope again, continue adjusting the nut until the front blade tip is 1.6 to 7.9 mm (1/16 to 5/16 inch) lower than the rear blade tip (Figure 53).

    8. When the front-to-rear blade slope is correct, check the side-to-side level of the mower again, refer to Leveling from Side to Side.

    Removing the Mower

    1. Park the machine on a level surface and disengage the blade-control switch.

    2. Move the motion-control levers outward to the PARK position, shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position.

    3. Lower the height-of-cut lever to the lowest position.

    4. Remove the hairpin cotter from the front support rod and remove the rod from the deck bracket (Figure 56).

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    5. Carefully lower the front of the mower deck to the ground.

    6. Lift the mower deck and hanger brackets clear of the rear lift rod and lower the mower carefully to the ground (Figure 57).

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    7. Slide the mower deck rearward to remove the mower belt from the engine pulley.

    8. Slide the mower deck out from underneath the machine.

      Note: Retain all parts for future installation.

    Installing the Mower

    1. Park the machine on a level surface and disengage the blade-control switch.

    2. Move the motion-control levers outward to the PARK position, shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position.

    3. Slide the mower under the machine.

    4. Lower the height-of-cut lever to the lowest position.

    5. Lift the rear of the mower deck and guide the hanger brackets over the rear lift rod (Figure 57).

    6. Attach the front support rod to the mower deck with the clevis pin and hairpin cotter (Figure 56).

    7. Install the mower belt onto the engine pulley.

    Replacing the Grass Deflector

    Maintenance Service IntervalMaintenance Procedure
    Before each use or daily
  • Inspect the grass deflector for damage.
  • Warning

    An uncovered discharge opening could allow the lawn mower to throw objects at you or bystanders, resulting in serious injury. Also, contact with the blade could occur.

    Never operate the machine without the grass deflector, the discharge cover, or the grass-collection system in place.

    Inspect the grass deflector for damage before each use. Replace any damaged parts before use.

    1. Remove the nut (3/8 inch) from the rod under the mower (Figure 58).

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    2. Slide the rod out of the short standoff, spring, and grass deflector (Figure 58).

    3. Remove the damaged or worn grass deflector.

    4. Replace the grass deflector (Figure 58).

    5. Slide the rod (straight end), through the rear grass-deflector bracket.

    6. Place the spring on the rod, with the end wires down and between the grass-deflector brackets.

    7. Slide rod through the second grass-deflector bracket (Figure 58).

    8. Insert the rod at the front of the grass deflector into the short standoff on the deck.

    9. Secure the rear end of the rod into the mower with a nut (3/8 inch) as shown in Figure 58.

      Important: The grass deflector must be spring-loaded and in the down position. Lift the deflector up to test that it snaps to the full down position.

    Mower Belt Maintenance

    Inspecting the Belts

    Maintenance Service IntervalMaintenance Procedure
    Every 25 hours
  • Check the belts for wear or cracks.
  • Check the belts for cracks, frayed edges, burn marks, or any other damage. Replace damaged belts.

    Replacing the Mower Belt

    The signs of a worn belt include squealing while the belt is rotating, blades slipping while cutting grass, and frayed edges, burn marks, and cracks on the belt. Replace the mower belt if any of these conditions are evident.

    1. Park the machine on a level surface and disengage the blade-control switch.

    2. Move the motion-control levers outward to the PARK position, shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position.

    3. Set the height-of-cut at the lowest cutting position of 38 mm (1-1/2 inches).

    4. Remove the pulley covers (Figure 59).

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    5. Using a spring-removal tool (Toro part no. 92-5771), remove the idler spring from the deck hook to remove tension on the idler pulley, and roll the belt off the pulleys (Figure 60).

      Warning

      The spring is under tension when installed and can cause personal injury.

      Be careful when removing the belt.

    6. Route the new belt around the engine pulley and mower pulleys (Figure 60).

    7. Using a spring-removal tool, install the idler spring over the deck hook, and place tension on the idler pulley and mower belt (Figure 60).

    8. Install the pulley covers (Figure 59).

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    Cleaning

    Washing the Underside of the Mower

    Maintenance Service IntervalMaintenance Procedure
    After each use
  • Clean the mower-deck housing.
  • Wash the underside of the mower after each use to prevent grass buildup for improved mulch action and clipping dispersal.

    Important: You can wash the machine with mild detergent and water. Do not pressure wash the machine. Avoid excessive use of water, especially near the control panel, under the seat, and around the engine, hydraulic pumps, and motors.

    1. Park the machine on a level surface and disengage the blade-control switch.

    2. Move the motion-control levers outward to the PARK position, shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position.

    3. Attach the hose coupling to the end of the mower-washout fitting and turn the water on high (Figure 62).

      Note: Spread petroleum jelly on the washout fitting O-ring to make the coupling slide on easier and to protect the O-ring.

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    4. Lower the mower to the lowest height-of-cut.

    5. Sit on the seat and start the engine.

    6. Engage the blade-control switch and let the mower run for 1 to 3 minutes.

    7. Disengage the blade-control switch, shut off the engine, remove the ignition key, and wait for all moving parts to stop.

    8. Turn the water off and remove the coupling from the washout fitting.

      Note: If the mower is not clean after a single washing, soak it and let it stand for 30 minutes. Then, repeat the process.

    9. Run the mower again for 1 to 3 minutes to remove excess water.

      Warning

      A broken or missing washout fitting could expose you and others to thrown objects or blade contact, causing injury or death.

      • Replace broken or missing washout fitting immediately before using mower again.

      • Never put your hands or feet under the mower or through openings in the mower.

    Storage

    Cleaning and Storage

    1. Disengage the blade-control switch, move the motion-control levers outward to the PARK position, shut off the engine, and 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 cylinder head fins and blower housing.

      Important: You can wash the machine with mild detergent and water. Do not pressure wash the machine. Avoid excessive use of water, especially near the control panel, under the seat, around the engine, hydraulic pumps, and motors.

    3. Service the air cleaner; refer to Servicing the Air Cleaner.

    4. Grease and oil the machine; refer to Lubrication.

    5. Change the engine oil and filter; refer to Changing the Engine Oil and the Engine-Oil Filter.

    6. Check the tire pressure; refer to Checking the Tire Pressure.

    7. Charge the battery; refer to Charging the Battery.

    8. Check the condition of the blades; refer to Servicing the Cutting Blades.

    9. Prepare the machine for storage when non-use occurs over 30 days. Prepare the machine for storage as follows.

      1. Add a petroleum based stabilizer/conditioner to the fuel in the tank. Follow the mixing instructions from the stabilizer manufacturer. Do not use an alcohol based stabilizer (ethanol or methanol).

        Note: A fuel stabilizer/conditioner is most effective when mixed with fresh gasoline and used at all times.

      2. Run the engine to distribute the conditioned fuel through the fuel system (5 minutes).

      3. Shut off the engine, wait for it to cool, and drain the fuel tank.

      4. Restart the engine and run it until it stops.

      5. Start and run the engine until it does not start.

      6. Dispose of fuel properly. Recycle pursuant to local codes.

        Important: Do not store stabilizer/conditioned gasoline over 90 days.

    10. Remove the spark plug(s) and check its condition; refer to Checking the Spark Plug. With the spark plug(s) removed from the engine, pour 2 tablespoons of engine oil into the spark plug hole. Use the starter to crank the engine and distribute the oil inside the cylinder. Install the spark plug(s). Do not install the wire on the spark plug(s).

    11. Clean any dirt and chaff from the top of the mower.

    12. Scrape any heavy buildup of grass and dirt from the underside of the mower, then wash the mower with a garden hose.

    13. Check the condition of the drive and mower belts.

    14. Check and tighten all bolts, nuts, and screws. Repair or replace any part that is worn or damaged.

    15. Paint all scratched or bare metal surfaces. Paint is available from your Authorized Service Dealer.

    16. Store the machine in a clean, dry garage or storage area. Remove the key from the ignition switch and keep it in a memorable place. Cover the machine to protect it and keep it clean.

    Troubleshooting

    ProblemPossible CauseCorrective Action
    The engine overheats.
    1. The engine load is excessive.
    2. The oil level in the crankcase is low.
    3. The cooling fins and air passages under the engine blower housing are plugged.
    4. The air cleaner is dirty.
    5. Dirt, water, or stale fuel is in the fuel system.
    1. Reduce the ground speed.
    2. Add oil to the crankcase.
    3. Remove the obstruction from the cooling fins and air passages.
    4. Clean or replace the air-cleaner element.
    5. Contact an Authorized Service Dealer.
    The starter does not crank.
    1. The blade-control switch is engaged.
    2. The motion-control levers are not in the Park position.
    3. The battery is dead.
    4. The electrical connections are corroded or loose.
    5. A fuse is blown.
    6. A relay or switch is damaged.
    1. Move the blade-control switch to Disengaged.
    2. Move the motion-control levers outward to the Park position.
    3. Charge the battery.
    4. Check the electrical connections for good contact.
    5. Replace the fuse.
    6. Contact an Authorized Service Dealer.
    The engine does not start, starts hard, or fails to keep running.
    1. The fuel tank is empty.
    2. The air cleaner is dirty.
    3. The spark plug wire(s) is loose or disconnected.
    4. The spark plug(s) is pitted, fouled, or the gap is incorrect.
    5. There is dirt in fuel filter.
    6. Dirt, water, or stale fuel is in fuel system.
    7. There is incorrect fuel in the fuel tank.
    8. The oil level in the crankcase is low.
    1. Fill the fuel tank.
    2. Clean or replace the air-cleaner element.
    3. Install the wire(s) on the spark plug.
    4. Install a new, correctly gapped spark plug(s).
    5. Replace the fuel filter.
    6. Contact an Authorized Service Dealer.
    7. Drain the tank and replace the fuel with the proper type.
    8. Add oil to the crankcase.
    The engine loses power.
    1. The engine load is excessive.
    2. The air cleaner is dirty.
    3. The oil level in the crankcase is low.
    4. The cooling fins and air passages under the engine blower housing are plugged.
    5. The spark plug(s) is pitted, fouled, or the gap is incorrect.
    6. The fuel-tank vent is blocked.
    7. There is dirt in the fuel filter.
    8. Dirt, water, or stale fuel is in the fuel system.
    9. There is incorrect fuel in the fuel tank.
    1. Reduce the ground speed.
    2. Clean the air-cleaner element.
    3. Add oil to the crankcase.
    4. Remove the obstruction from the cooling fins and air passages.
    5. Install a new, correctly gapped spark plug(s).
    6. Contact an Authorized Service Dealer.
    7. Replace the fuel filter.
    8. Contact an Authorized Service Dealer.
    9. Drain the tank and replace the fuel with the proper type.
    The machine does not drive.
    1. The bypass valves are open.
    2. The traction belts are worn, loose, or broken.
    3. The traction belts are off the pulleys.
    4. The transmission has failed.
    1. Close the tow valves.
    2. Contact an Authorized Service Dealer.
    3. Contact an Authorized Service Dealer.
    4. Contact an Authorized Service Dealer.
    There is an abnormal vibration.
    1. The engine-mounting bolts are loose.
    2. The engine pulley, idler pulley, or blade pulley is loose.
    3. The engine pulley is damaged.
    4. The cutting blade(s) is/are bent or unbalanced.
    5. A blade-mounting bolt is loose.
    6. A blade spindle is bent.
    1. Tighten the engine-mounting bolts.
    2. Tighten the appropriate pulley.
    3. Contact an Authorized Service Dealer.
    4. Install a new cutting blade(s).
    5. Tighten the blade-mounting bolt.
    6. Contact an Authorized Service Dealer.
    The cutting height is uneven.
    1. The blade(s) is not sharp.
    2. A cutting blade(s) is/are bent.
    3. The mower is not level.
    4. An anti-scalp wheel is not set correctly.
    5. The underside of the mower is dirty.
    6. The tire pressure is incorrect.
    7. A blade spindle is bent.
    1. Sharpen the blade(s).
    2. Install a new cutting blade(s).
    3. Level the mower from side-to-side and front-to-rear.
    4. Adjust the anti-scalp wheel height.
    5. Clean the underside of the mower.
    6. Adjust the tire pressure.
    7. Contact an Authorized Service Dealer.
    The blades do not rotate.
    1. The drive belt is worn, loose, or broken.
    2. The drive belt is off the pulley.
    3. The power-takeoff (PTO) switch or PTO clutch is faulty.
    4. The mower belt is worn, loose, or broken.
    1. Install a new drive belt.
    2. Install the drive belt and check the adjusting shafts and belt guides for the correct position.
    3. Contact an Authorized Service Dealer.
    4. Install a new mower belt.

    Schematics

    Electrical Diagram

    g028022