Form No. 3433-904 Rev A Z Master® Commercial 3000 Series Riding Mower with 60in TURBO FORCE® Side Discharge Mower Model No. 72958—Serial No. 400000000 and Up Register at www.Toro.com.
Visit www.Toro.com for product safety and operation training materials, accessory information, help finding a dealer, or to register your product. 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.
Electrical System Safety ................................... 45 Servicing the Battery......................................... 45 Servicing the Fuses .......................................... 47 Jump-Starting the Machine............................... 47 Drive System Maintenance .................................. 49 Checking the Seat Belt ..................................... 49 Checking the Roll-Bar Knobs ............................ 49 Adjusting the Tracking ......................................
General Safety Safety This machine is capable of amputating hands and feet and of throwing objects. Toro designed and tested this lawn mower to offer reasonably safe service; however, failure to comply with safety instructions may result in injury or death. This machine has been designed in accordance with ANSI standard B71.4-2017.
Slope Indicator g011841 Figure 3 You may copy this page for personal use. 1. The maximum slope you can operate the machine on is 15 degrees. Use the slope chart to determine the degree of slope of hills before operating. Do not operate this machine on a slope greater than 15 degrees. Fold along the appropriate line to match the recommended slope. 2. Align this edge with a vertical surface, a tree, building, fence pole, etc. 3.
Safety and Instructional 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 missing. decalbatterysymbols Battery Symbols Some or all of these symbols are on your battery. 1. Explosion hazard 6. Keep bystanders away from the battery. 2. No fire, open flame, or smoking 7. Wear eye protection; explosive gases can cause blindness and other injuries. 3. Caustic liquid/chemical burn hazard 4.
decal116-1716 116-1716 1. Fuel 2. Empty 6. Hour meter 7. PTO 3. Half 8. Parking brake 4. Full 5. Battery 9. Neutral 10. Operator presence switch decal133-8062 133-8062 decal107-3069 107-3069 1. Warning–there is no rollover protection when the roll bar is down. 2. To avoid injury or death from a rollover accident, keep the roll bar in the raised and locked position and wear the seat belt. Lower the roll bar only when absolutely necessary; do not wear the seat belt when the roll bar is down. 3.
decal116-8726 116-8726 1. Read the Operator’s Manual for the recommended hydraulic fluid. decal117-3848 117-3848 1. Thrown object hazard—keep bystanders away. 2. Thrown object hazard, raised deflector—do not operate without the deflector, discharge cover, or grass collection system in place. 3. Cutting/dismemberment hazard of hand or foot, mower blade—stay away from moving parts; keep all guards and shields in place. decal121-7586 121-7586 1. Fast 2. Variable-speed control decal117-0346 3. Slow 4.
decal126-4398 126-4398 1. Read the Operator’s Manual. 2. Lock 3. Unlock decal131-1180 131-1180 1. Read the Operator's Manual. 2. Short, light grass; dry conditions 3. Bagging setting 4. Tall, dense grass; wet conditions decal127-0326 127-0326 1. Read the Operator's Manual. 3. Remove the key and read the Operator's Manual before performing maintenance. 2. Height of cut decal136-5508 136-5508 1.
decal125-9383 125-9383 1. Check hydraulic fluid every 50 operating hours. 3. Check the tire pressure every 50 operating hours. 2. Read the Operator’s Manual for information on lubricating the machine. 4. Read the Operator’s Manual before servicing or performing maintenance.
decal132-0871 132-0871 Note: This machine complies with the industry standard stability test in the static lateral and longitudinal tests with the maximum recommended slope indicated on the decal. Review the instructions for operating the machine on slopes in the Operator’s Manual as well as the conditions in which you would operate the machine to determine whether you can operate the machine in the conditions on that day and at that site.
Key Switch Product Overview The key switch, used to start and shut off the engine, has 3 positions: OFF, RUN, and START . Refer to Starting the Engine (page 24). Throttle Control The throttle controls the engine speed, and it has a continuous-variable setting from the SLOW to FAST position (Figure 5). Choke Control Use the choke control to start a cold engine. Blade-Control Switch (Power Takeoff) g027333 Figure 4 1. Deck-lift pedal 6. Roll bar 2. Transport lock 7. Seat belt 3.
Fuel Gauge Fuel-Shutoff Valve The fuel gauge is located within the hour meter, and the bars light up when the key switch is in the ON position (Figure 6). Close the fuel-shutoff valve when transporting or storing the machine; refer to Using the Fuel-Shutoff Valve (page 31). The indicator light appears when the fuel level is low (approximately 1 gallon remaining in the fuel tank).
Fuel Safety Operation Use extreme care when handling fuel. Note: Determine the left and right sides of the machine from the normal operating position. DANGER In certain conditions gasoline is extremely flammable and vapors are explosive. Before Operation A fire or explosion from gasoline can burn you, others, and cause property damage. Before Operation Safety • Fill the fuel tank outdoors on level ground, in an open area, when the engine is cold. Wipe up any gasoline that spills.
To help prevent fires: DANGER • Keep engine and engine area free from In certain conditions during fueling, static electricity can be released causing a spark which can ignite gasoline vapors. A fire or explosion from gasoline can burn you and others and cause property damage. • Always place gasoline containers on the ground away from your vehicle before filling.
Adding Fuel Note: Do not fill the fuel tank completely full. The empty space in the tank allows the fuel to expand. Recommended 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.
Using the Rollover-Protection System (ROPS) WARNING To avoid injury or death from rollover, keep the roll bar in the fully raised, locked position and use the seat belt. Ensure that the seat is secured to the machine. WARNING There is no rollover protection when the roll bar is in the down position. • Lower the roll bar only when absolutely necessary. • Do not wear the seat belt when the roll bar is in the down position. • Drive slowly and carefully. • Raise the roll bar as soon as clearance permits.
Using 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. 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.
Positioning the Seat Changing the Seat Suspension The seat can move forward and backward. Position the seat where you have the best control of the machine and are most comfortable (Figure 10). The seat is adjustable to provide a smooth and comfortable ride. Position the seat where you are most comfortable. To adjust it, turn the knob in front either direction to provide the best comfort (Figure 12).
WARNING WARNING Engine exhaust contains carbon monoxide, which is an odorless deadly poison that can kill you. Hands, feet, hair, clothing, or accessories can become entangled in rotating parts. Contact with the rotating parts can cause traumatic amputation or severe lacerations. – Do Not operate the machine without guards, shields, and safety devices in place and working properly. – Keep hands, feet, hair, jewelry, or clothing away from rotating parts.
– Before and while backing or changing direction, look behind, down, and side-to-side for small children. – Never allow children to operate the machine. – Do Not carry children, even with the blades shut off. Children could fall off and be seriously injured or interfere with the safe operation of the machine. Children that have been given rides in the past could suddenly appear in the working area for another ride and be run over or backed over by the machine.
Rollover Protection System (ROPS) Safety Operating the Parking Brake A Rollover Protection System (roll bar) is installed on the machine. Always engage the parking brake when you stop the machine or leave it unattended. WARNING Engaging the Parking Brake There is no rollover protection when the roll bar is down. Wheels dropping over edges, ditches, steep banks, or water can cause rollovers, which may result in serious injury, death or drowning. Park the machine on a level surface.
Operating the Mower Operating the Choke Blade-Control Switch (PTO) Use the choke to start a cold engine. The blade-control switch (PTO) starts and stops the mower blades and any powered attachments. Engaging the Blade-Control Switch (PTO) 1. Pull up the choke knob to engage the choke before using the key switch (Figure 19). 2. Push down the choke knob to disengage the choke after the engine has started (Figure 19).
Starting the Engine Shutting Off the Engine Important: Do not engage starter for more than 5 seconds at a time. If the engine fails to start, wait 15 seconds between attempts. Failure to follow these instructions can burn out the starter motor. CAUTION Children or bystanders may be injured if they move or attempt to operate the machine while it is unattended. Note: You may need multiple attempts to start the engine the first time after adding fuel to an empty fuel system.
Using the Motion-Control Levers 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. Driving Forward Note: The engine shuts off when you move the traction-control with the parking brake engaged. To stop the machine, pull the motion-control levers to the NEUTRAL position. 1.
Using the Side Discharge The mower has a hinged grass deflector that disperses clippings to the side and down toward the turf. DANGER Without a grass deflector, discharge cover, or a complete grass-catcher assembly mounted in place, you and others are exposed to blade contact and thrown debris. Contact with rotating mower blade(s) and thrown debris will cause injury or death. • Never remove the grass deflector from the mower deck because the grass deflector routes material down toward the turf.
Adjusting the Height of Cut Adjusting the Height-of-Cut Pin Using the Transport Lock The height-of-cut is adjusted from 25 to 140 mm (1 to 5-1/2 inches) in 6 mm (1/4 inch) increments by relocating the clevis pin into different hole locations. The transport lock has 2 positions, and is used with the deck-lift pedal. There is a LOCK position and an UNLOCK position for the transport position of the mower deck (Figure 25). 1. Move the transport lock to the lock position. 2.
Adjusting the Anti-Scalp Rollers Whenever you change the height-of-cut, adjust the height of the anti-scalp rollers. 1. Park the machine on a level surface, disengage the blade-control switch, and engage 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. g029957 Figure 29 Adjust the anti-scalp rollers as shown in Figure 27, Figure 28, and Figure 29. 1. Anti-scalp roller 4. Flange nut 2. Spacer 5. Bolt 3.
Positioning the Flow Baffle The following figures are recommendations only. Adjustments vary by grass type, moisture content, and the height of the grass. Note: If the engine power draws down and the mower ground speed is the same, open the baffle. Position A This is the fully-rear position.
Operating Tips drop onto your lawn. To avoid this, move onto a previously cut area with the blades engaged or you can disengage the mower deck while moving forward. Using the 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 deck in uncut grass.
Using the Drive-Wheel-Release Valves After Operation After Operation Safety General Safety WARNING Hands may become entangled in the rotating drive components below the engine deck, which could result in serious injury. • Park machine on level ground, disengage drives, set parking brake, stop engine, remove key or disconnect spark plug wire. Wait for all movement to stop and allow the machine to cool before adjusting, cleaning, repairing, or storing. Never allow untrained personnel to service machine.
Transporting the Machine Use a heavy-duty trailer or truck to transport the machine. Use a full-width ramp. Ensure that the trailer or truck has all the necessary brakes, lighting, and marking as required by law. Please carefully read all the safety instructions. Knowing this information could help you or bystanders avoid injury. Refer to your local ordinances for trailer and tie-down requirements.
1. If using a trailer, connect it to the towing vehicle and connect the safety chains. 2. If applicable, connect the trailer brakes and lights. 3. Lower the ramp, ensuring that the angle between the ramp and the ground does not exceed 15 degrees (Figure 35). 4. Back the machine up the ramp (Figure 36). g028043 Figure 36 1. Back the machine up the ramp. 2. Drive the machine forward down the ramp. 5. Shut off the engine, remove the key, and engage the parking brake. 6.
Maintenance WARNING Removal or modification of original equipment, parts and/or accessories may alter the warranty, controllability, and safety of the machine. Unauthorized modifications to the original equipment or failure to use original Toro parts could lead to serious injury or death. Unauthorized changes to the machine, engine, fuel or venting system, may violate applicable safety standards such as: ANSI, OSHA and NFPA and/or government regulations such as EPA and CARB.
• Keep hands and feet away from moving parts. • Use jack stands to support the machine and/or If possible, Do Not make adjustments with the engine running. If the maintenance or adjustment procedure require the engine to be running and components moving, use extreme caution. components when required. CAUTION Raising the machine for service or maintenance relying solely on mechanical or hydraulic jacks could be dangerous.
Maintenance Service Interval Every 500 hours Maintenance Procedure • • • • • • Replace the spark plug(s). Check the wheel lug-nut torque. Check the wheel-hub slotted-nut torque. Adjust the caster-pivot bearing. Adjust the parking brake. After the initial change—change the hydraulic-system filters and fluid when using Toro® HYPR-OIL™ 500 fluid. (Change it more often under dirty or dusty conditions) Every 600 hours • Replace the inner air filter. Monthly • Check the battery charge.
Greasing the Mower Deck Note: Keep the dust cap off until greasing is done. Service Interval: Yearly—Grease the pump-belt-idler arm. 1. 2. 3. Park the machine on a level surface, disengage the blade-control switch, and engage the parking brake. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 6. Remove the hex plug. 7. Thread a grease fitting into the hole. 8. Pump grease into the fitting until it oozes out around the top bearing.
Greasing the Caster-Wheel Hubs 9. 10. 11. Service Interval: Yearly 1. Park the machine on a level surface, disengage the blade-control switch, and engage 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. Raise the mower for access. 4. Remove the caster wheel from the caster forks. 5. Remove the seal guards from the wheel hub. 12. 13. 14. 15. 16. g006115 Figure 42 1.
2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3. Release the latches on the air cleaner and pull the air-inlet cover off the air-cleaner body (Figure 43). 4. Clean the air-inlet screen and cover. 5. Install the air-inlet cover and secure it with the latches (Figure 43). g012997 Figure 44 1. Inner filter 2. Primary filter 4. Latch 5. Air-cleaner body 3. Air-cleaner cover 10. g012996 Figure 43 1. Air-inlet cover 3.
Note: Ensure that the primary filter is fully seated by pushing on the outer rim while installing it. 4. 3. To keep dirt, grass clippings, etc., out of the engine, clean the area around the oil-fill cap and dipstick before removing it (Figure 46). Important: Do not press on the soft, inside area of the filter. Install the air-cleaner cover and secure the latches (Figure 44).
3. Disengage the blade-control switch (PTO) and engage the parking brake. 4. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 5. Drain the oil from the engine (Figure 47). 6. Slowly pour approximately 80% of the specified oil into the filler tube and slowly add the additional oil to bring it to the Full mark (Figure 48). g008804 g194610 Figure 48 7. Start the engine and drive to a flat area. 8. Check the oil level again.
Servicing the Spark Plug(s) Service Interval: Every 200 hours—Check the spark plug(s). Every 500 hours—Replace the spark plug(s). Type: Champion XC12YC g008804 Air Gap: 0.76 mm (0.03 inch) Removing the Spark Plug(s) 1. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 2. Disengage the PTO, move the motion-control levers to the NEUTRAL-LOCK position, and engage the parking brake. 3.
4. Remove the spark plug. g008803 g027661 Figure 53 g027478 Figure 51 Checking the Spark Plug(s) 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. 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 (0.03 inch). g206628 Figure 52 Installing the Spark Plug(s) 1.
Checking the Spark Arrester Fuel System Maintenance For Machines with a Spark Arrester DANGER In certain conditions, fuel is extremely flammable and highly explosive. A fire or explosion from fuel can burn you and others and can damage property. Service Interval: Every 50 hours WARNING Hot exhaust-system components may ignite fuel vapors even after you shut off the engine. Hot particles exhausted during engine operation may ignite flammable materials, resulting in personal injury or property damage.
Electrical System Maintenance Electrical System Safety • Disconnect the battery before repairing the machine. Disconnect the negative terminal first and the positive last. Connect the positive terminal first and the negative last. • Charge the battery in an open, well-ventilated area, away from sparks and flames. Unplug the charger before connecting or disconnecting the battery. Wear protective clothing and use insulated tools. g008963 Figure 54 1. Fuel filter 2. Hose clamp Servicing the Battery 3.
2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. Charging the Battery 3. Remove the battery as shown in Figure 55. Charging the battery produces gasses that can explode. WARNING Never smoke near the battery and keep sparks and flames away from the battery. Important: Always keep the battery fully charged (1.265 specific gravity). This is especially important to prevent battery damage when the temperature is below 0°C (32°F). 1.
Installing the Battery Servicing the Fuses Note: Position the battery in the tray with the terminal posts opposite from the hydraulic tank (Figure 57). The electrical system is protected by fuses. It requires no maintenance, however, if a fuse blows check the component/circuit for a malfunction or short. The fuses are located on the console to the right of the seat (Figure 58). 1. To replace the fuses, pull out on the fuse to remove it. 2. Install a new fuse (Figure 58).
DANGER Jump-starting a weak battery that is cracked or frozen or has a low electrolyte level or an open/shorted battery cell can cause an explosion, resulting in serious personal injury. Do not jump-start a weak battery if these conditions exist. 2. Make sure that the booster battery is a good and fully charged lead-acid battery at 12.6 V or greater. g012785 Figure 59 Note: Use properly sized jumper cables with short lengths to reduce voltage drop between systems.
Drive System Maintenance Checking the Seat Belt Service Interval: Before each use or daily Inspect the seat belt for wear, cuts, and proper operation of the retractor and buckle. Replace the seat belt if it is damaged. Checking the Roll-Bar Knobs Service Interval: Before each use or daily WARNING To avoid injury or death from rollover, keep the roll bar in the fully raised, locked position and use the seat belt. Ensure that the seat is secured to the machine.
Adjusting the Tracking 1. Disengage the blade-control switch (PTO). 2. Drive to an open flat area, move the motion-control levers to the NEUTRAL-LOCK position. Checking the Tire Pressure Service Interval: Every 50 hours/Monthly (whichever comes first) 3. Move the throttle midway between the FAST and SLOW positions. 4. Move both motion-control levers all the way forward until they both hit the stops in the T-slot. 5. Check which way the machine tracks. 6.
Checking the Wheel-Hub Slotted Nut Adjusting the Caster-Pivot Bearing Service Interval: After the first 100 hours Service Interval: Every 500 hours/Yearly (whichever comes first) Every 500 hours Check and ensure that the torque of the slotted nut is 286 to 352 N∙m (211 to 260 ft-lb). Note: Do not use anti-seize compound on wheel hub. 1. Park the machine on a level surface, disengage the blade-control switch (PTO), and engage the parking brake. 2.
Removing the Clutch Shim Some later model year units have been built with clutches that contain a brake shim. When the clutch brake has worn to the point where the clutch no longer engages consistently, you can remove the shim to extend the clutch life. 5. Verify that 12 V is present at the clutch connector when the blade-control switch (PTO) switch is engaged. 6. Measure the gap between the rotor and armature. If the gap is greater than 1 mm (0.04 inch), do the following steps: A.
Cooling System Maintenance sides of the brake pole as shown in Figure 71 and Figure 72. Note: Due to the way the rotor and the armature faces wear (peaks and valleys) it is sometimes difficult to measure the gap accurately. Cleaning the Engine Screen and Engine-Oil Cooler Service Interval: Before each use or daily Remove any buildup of grass, dirt, or other debris from the oil cooler and the engine screen (Figure 73). g010872 Figure 71 1.
Cleaning the Engine-Cooling Fins and Shrouds Checking and Cleaning the Hydraulic-Unit Shrouds Service Interval: Before each use or daily Service Interval: Every 100 hours/Yearly (whichever comes first) 1. Park the machine on a level surface, disengage the blade-control switch (PTO), and engage the parking brake. 1. Park the machine on a level surface, disengage the blade-control switch (PTO), and engage the parking brake. 2. 2.
Brake Maintenance Note: To lengthen the linkage, rotate the clevis 1 turn outward. Adjusting the Parking Brake Service Interval: After the first 100 hours Every 500 hours Check to ensure that parking brake is adjusted properly. This procedure must be followed after the first 100 hours or when a brake component has been removed or replaced. 1. Park the machine on a level surface, disengage the blade-control switch, and engage the parking brake. 2.
Belt Maintenance Inspecting the Belts Service Interval: Every 50 hours Replace the belt if it is worn. The signs of a worn belt include squealing while the belt is rotating; the blades slipping while cutting grass; and frayed edges, burn marks, and cracks on the belt. Replacing the Mower Belt 1. Park the machine on a level surface, disengage the blade-control switch (PTO), and engage the parking brake. 2.
g027730 Figure 79 g009039 1. Position the belt cover. 3. Ensure that the tab is under the metal catch. Figure 80 2. Slide the belt cover under the side catches. 1. Idler pulley 5. Left hydraulic-pump pulley 2. Clutch pulley 6. Square hole in the idler arm 7. Idler spring 3. Pump-drive belt 4. Right hydraulic-pump pulley Replacing the Hydraulic Pump-Drive Belt 1. Park the machine on a level surface, disengage the blade-control switch (PTO), and engage the parking brake. 5.
Controls System Maintenance Adjusting the Control-Handle Position There are 2 height positions for the control levers—high and low. Remove the bolts to adjust the height for the operator. 1. Park the machine on a level surface, disengage the blade-control switch (PTO), and engage 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. Loosen the bolts and flange nuts installed in the levers (Figure 81). 4.
4. Raise the rear of the machine up and support it with jack stands (or equivalent support) just high enough to allow the drive wheels to turn freely. 5. Remove the electrical connection from the seat safety switch, located under the bottom cushion of the seat. 11. Move the motion-control levers to the REVERSE position and while applying slight pressure to the lever, allow the reverse-indicator springs to bring the levers back to neutral.
Adjusting the Motion-Control Neutral-Lock Pivot Hydraulic System Maintenance Hydraulic System Safety You can adjust the flanged nut to obtain the desired motion-control lever resistance when moving it to the NEUTRAL-LOCK position. See Figure 85 for adjustment options. • Seek immediate medical attention if fluid is injected into skin. Injected fluid must be surgically removed within a few hours by a doctor.
7. Wipe the dipstick off and thread the dipstick into the reservoir. 8. Remove the dipstick and look at the end (Figure 86). Changing the Hydraulic Fluid and Filters Service Interval: After the first 250 hours—Change the hydraulic filters and hydraulic fluid. Every 250 hours—After the initial change—change the hydraulic-system filters and fluid when using Mobil 1 15W50 fluid.
5. Place a drain pan under the filter, remove the old filter, and wipe the surface clean (Figure 88). g008968 Figure 88 Bottom view of the machine 1. Filter locations 2. Hydraulic filter 6. Apply a thin coat of hydraulic fluid to the rubber gasket on the replacement filter (Figure 88). 7. Install the replacement hydraulic filter. 8. Install the pump-drive belt and the mower belt. 9. Remove the jack stands and lower the machine (Figure 87). 10.
Mower Deck Maintenance Blade Safety A worn or damaged blade can break, and a piece of the blade could be thrown toward you or bystanders, resulting in serious personal injury or death. Trying to repair a damaged blade may result in discontinued safety certification of the product. 1. Cutting edge 3. Wear/slot forming • Inspect the blades periodically for wear or damage. 2. Curved area 4. Crack g006530 Figure 89 • Use care when checking the blades.
Checking for Bent Blades Note: The machine must be 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 into a position that allows you to measure the distance between the cutting edge and the level surface the machine is on (Figure 90). g014974 Figure 92 1. Blade (side previously measured) 2. Measurement (position used previously) 3.
Removing the Blades Note: If the blade stays in a horizontal position, the blade is balanced and can be used. Replace the blades if they hit a solid object, or if the blade is out of balance or bent. 1. Place a wrench on the flat of the spindle shaft or hold the blade end using a rag or thickly padded glove. 2. Remove the blade bolt, bushing, and blade from the spindle shaft (Figure 94). Note: If the blade is not balanced, file some metal off the end of the sail area only (Figure 95).
Leveling the Mower Deck 1. Park the machine on a level surface, disengage the blade-control switch (PTO), and engage 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. Check the tire pressure in the drive tires; refer to Checking the Tire Pressure (page 50). 4. Position the transport lock in the latching position. 5.
g009196 Figure 100 1. 7.6 cm (3 inch) at position A is correct 2. 8.3 cm (3-1/4 inch) at position B is correct 3. Measure here from the blade tip to the hard surface 4. Measure at position A and B on both sides g027345 Figure 102 1. Bolts at the bottom of the height-of-cut plate 12. 10. Fine-tune the adjustment nut on the front deck-lift assembly by turning it (Figure 101). Note: To increase the height, turn the adjustment nut clockwise; to decrease the height, turn the nut counterclockwise.
14. Torque the 2 bolts to 37 to 45 N∙m (27 to 33 ft-lb). 15. On both sides of the deck, measure from the level surface to the back tip of the blade (postion B) as shown in Figure 100. Note: The measurement should read 8.3 cm (3-1/4 inches) 16. Fine tune the screw adjuster by turning it to get 8.3 mm (3-1/4 inches) height (Figure 101). To increase the height, turn the adjustment nut clockwise; to decrease, turn counterclockwise. 17. Measure until all 4 sides are the correct height. 18.
8. Raise the deck struts and secure them in the raised position. 9. Slide the deck out to the right side of the machine. 6. Important: The grass deflector must be able to rotate. Lift the deflector up to the full open position and ensure that it rotates into the full down position. Replacing the Grass Deflector WARNING An uncovered discharge opening could allow the machine to throw objects toward you or bystanders, resulting in serious injury. Also, contact with the blade could occur.
Cleaning Cleaning under the Mower Deck Service Interval: Before each use or daily 1. Park the machine on a level surface, disengage the blade-control switch (PTO), and engage 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. Raise the mower deck to the TRANSPORT position. Disposing of Waste Engine oil, batteries, hydraulic fluid, and engine coolant are pollutants to the environment.
Storage 13. Storage Safety Prepare the machine for storage when non-use occurs over 30 days. Prepare the machine for storage as follows: A. • Shut off the engine, remove the key, wait for all moving parts to stop, and allow the machine to cool before storing it. • Do not store the machine or fuel near flames or drain the fuel indoors. Add a petroleum-based stabilizer/conditioner to fuel in the tank. Follow mixing instructions from the stabilizer manufacturer.
Troubleshooting Problem The malfunction-indicator light (MIL) comes on. Possible Cause 1. The engine is too hot. 1. Shut off the engine and let it cool. 2. There is old fuel in the fuel tank. 3. The fuel-shutoff valve is not open completely. 4. The air cleaner is dirty. 2. Use new fuel. 3. Open the fuel-shutoff valve. 5. The battery is not charged. 6. Incorrect fuel filters are being used or the fuel filters are dirty. 7.
Problem The engine loses power. The engine overheats. Possible Cause 1. The engine load is excessive. 1. Reduce the ground speed. 2. The air cleaner is dirty. 3. The oil level in the crankcase is low. 4. The cooling fins and the air passages above the engine are plugged. 5. The vent hole in the fuel cap is plugged. 6. There is dirt in the fuel filter. 7. There is dirt, water, or stale fuel in the fuel system. 2. Clean the air-cleaner element. 3. Add oil to the crankcase. 4.
Problem The blades do not rotate. Possible Cause 1. The mower deck belt is damaged, worn, loose, or broken. 1. Install a new deck belt. 2. The mower deck belt is off the pulley. 2. Install the mower belt on the deck pulley and check the idler pulley, idler arm, and spring for correct position and function. 3. Check the belt tension or install a new belt. 4. Replace the spring. 3. The pump drive belt is worn, loose, or broken. 4. The idler spring is broken or missing. The clutch does not engage.
GND BK BK + - A C FUEL SENDER S B BU PK (PTO SWITCH) SW2 PK PK 2 3 BN BN BN V 4 5 BK BK U2 BK F4 PK 7 4 9 HOUR METER 7 W PK 12 OR 10 T SW6 (BRAKE) GND 15A 6 2 3 Y 11 LTGR SW4 (NEUT_L) BN 8 B PTO CLUTCH TVS DIODE BK A BN F3 SW5 (NEUT_R) PTO 1 PK FUEL_SOLENOID NEUTRAL 8 SEAT OR BRAKE 5 8 4 7 10A KEY_A 1 GN SW7 (SEAT) BN PK OR GY R OR R GY PK PK GY V SW1 (IGNITION) 2 5 1 3 B I S R 5 GN 2 OPTIONAL ACCESSORIES FUEL GROUND Electrical Schematic
California Proposition 65 Warning Information What is this warning? You may see a product for sale that has a warning label like the following: WARNING: Cancer and Reproductive Harm—www.p65Warnings.ca.gov. What is Prop 65? Prop 65 applies to any company operating in California, selling products in California, or manufacturing products that may be sold in or brought into California.
