Form No. 3414-678 Rev A Z Master® 8000 Series Riding Mower with 48in Cutting Unit Model No. 74312—Serial No. 400000000 and Up Model No. 74313—Serial No. 400000000 and Up Register at www.Toro.com.
WARNING CALIFORNIA Proposition 65 Warning This product contains a chemical or chemicals known to the State of California to cause cancer, birth defects, or 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.
Contents Servicing the Fuel Tank..................................... 39 Electrical System Maintenance ........................... 39 Electrical System Safety ................................... 39 Servicing the Battery......................................... 39 Servicing the Fuses .......................................... 41 Adjusting the Safety Switches........................... 41 Jump-Starting the Machine............................... 41 Drive System Maintenance ..................................
Safety This machine has been designed in accordance to the ANSI B71.4–2012 specification of the American National Standards Institute with the addition of the optional ROPS accessory. General Safety This product is capable of amputating hands and feet and of throwing objects. Always follow all safety instructions to avoid serious personal injury. Using this product for purposes other than its intended use could prove dangerous to you and bystanders.
Slope Indicator G011841 g011841 Figure 3 This page may be copied for personal use. 1. The maximum slope you can safely 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. decal93-6696 93-6696 1. Stored energy hazard—read the Operator's Manual. decal112-8760 112-8760 1. Thrown object hazard—keep bystanders a safe distance away from the machine. 2. Cutting/dismemberment of hand or foot—stay away from moving parts. decal93-7818 93-7818 1.
2 1 decal116-8936 116-8936 3 1. Danger—do not operate with deck in tilt-up position. 4 5 6 7 NVXXXXXX decal116-8813 116-8813 1. Hopper up indicator 5. Parking brake 2. Battery 6. Neutral 3. Hour meter 7. Operator presence switch 4. PTO decal116-8941 116-8941 decal116-8934 decal116-8943 116-8934 1. Warning—disengage blade clutch, shut off engine, and remove key before making adjustments, servicing, or cleaning deck. 116-8943 2. Height of cut 1.
decal116-8946 116-8946 1. Rotate counterclockwise to release 2. Rotate clockwise to lock 3. Unlock to push the machine 4. Read the instructions before servicing or performing maintenance. decal116-9044 116-9044 1. Read the Operator’s Manual before performing any maintenance. 2. Check the engine oil every 8 hours. 8. Grease the deck-lock mechanism every 100 hours. 9. Grease the deck pivots every 100 hours. 3. Grease the front caster wheel bearings every 8 hours. 10.
decal116-9049 116-9049 decal126-4207 1. Rotating driveline hazard—keep all driveline shields in place. Securely attach both ends of the driveline. 126-4207 1. Refer to the Operator’s Manual for adjustment procedure. When the PTO is engaged, idler arm position must be in hatched area; otherwise adjust it. decal117-2718 117-2718 decal120-0625 120-0625 1. Pinch point, hand—keep hands away. decal126-4159 Molded in Left Console 1. PTO—disengage 3. Park brake—release 2. PTO—engage 4.
decal126-4158 Molded into Front of Hopper 1. Warning—Read the Operator’s Manual. Do not operate this machine unless you are trained. Wear hearing protection. 5. Warning—Stay away from moving parts; keep all guards in place. Shut off the engine and remove the key before adjusting, servicing, or cleaning. 2.
decalbatterysymbols Battery Symbols Some or all of these symbols are on your battery 1. Explosion hazard 6. Keep bystanders a safe distance 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. Wear eye protection. 8. Battery acid can cause blindness or severe burns. 9. Flush eyes immediately with water and get medical help fast. 5. Read the Operator's Manual. 10.
decal130-2881 130-2881 1. Engine temperature 7. Retract the piston 2. Fast 8. Extend the piston 3. Slow 4. Neutral 5. Neutral 9. Fast 10. Slow 11. MIL toggle switch 6.
Ignition Switch Product Overview Use this switch to start the mower engine. It has 3 positions: START , RUN, and OFF. Choke Control (Not on EFI machines) Use the choke to start a cold engine. Move the choke to the CLOSED/ON position to start a cold engine. Note: Do not run a warm engine with choke in the ON position. Throttle Control The throttle controls the engine speed, and it has a continuous-variable setting from the SLOW to FAST position (Figure 5). g026780 Figure 4 PTO-Engagement Lever 1.
Electronic-Control-Unit Malfunction-Indicator Light The electronic-control unit (ECU) continuously monitors the operation of the EFI system. If the system detects a problem or fault, the malfunction-indicator light (MIL) illuminates. The MIL is located in the right console panel. If the MIL illuminates, perform the initial troubleshooting checks; refer to the MIL section in Troubleshooting (page 62).
Specifications Operation Note: Specifications and design are subject to Note: Determine the left and right sides of the machine from the normal operating position. change without notice. Width 42-inch Mower Deck 48-inch Mower Deck Before Operation Without Mower Deck 108.2 cm (42.6 inches) 108.2 cm (42.6 inches) Before Operation Safety With Mower Deck 109.7 cm (43.2 inches) 125.0 cm (49.
Using Stabilizer/Conditioner containers on the ground, away from your vehicle before filling. • Remove the equipment from the truck or trailer and refuel it while it is on the ground. If this is not possible, then refuel from a portable container rather than a fuel-dispenser nozzle.
Think Safety First Use protective equipment for your eyes, ears, hands, feet, and head. Please read all safety instructions and symbols in the safety section. Knowing this information could help you or bystanders avoid injury. 1 2 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. G009027 g009027 Figure 8 1.
Lowering the Mower Deck to the Operating Position 1. While firmly holding onto deck-lift handle, unhook the mower-deck latch from the machine and slowly lower the mower deck to the ground (Figure 10). 2. Push the deck-locking pins inward and rotate them forward to securely lock the mower deck in the lowered position (Figure 9). WARNING Operating the mower without the locking pins securely latched can result in the mower deck folding up unexpectedly.
g006787 Figure 11 1. Hairpin cotter and clevis pin 5. Loosen the locknuts on the rear studs of the FRS baffles. g007577 Figure 13 1. Baffles—closed position 2. Baffles—open position 3. Bolt 4. Washer 5. Baffles 9. Lower the mower deck; refer to Lowering the Mower Deck to the Operating Position (page 18). g025242 10. Slightly tighten the locknuts on the rear studs of the FRS baffles. Figure 12 1. PTO guard removed for clarity 2. Loosen the locknuts.
Understanding the Safety-Interlock System 3. Sit on the seat, disengage the parking brake, move the PTO-engagement lever to the OFF position, and move the speed-control lever to the NEUTRAL position. Try starting the engine; the engine should not start. The safety-interlock system is designed to prevent the engine from starting unless: • The parking brake is engaged. • The PTO-engagement lever is disengaged. • The speed-control lever is in the NEUTRAL position 4.
• Do not mow near drop-offs, ditches, or • • • • • • • • • • • Service Dealer for more details. The California Code of Regulations requires ROPS (if available) on all mowers used commercially effective March 1, 2011. embankments. The machine could suddenly roll over if a wheel goes over the edge or if the edge gives way. Stop the blades whenever you are not mowing. Stop the machine and inspect the blades after striking an object or if there is an abnormal vibration in the machine.
Disengaging the PTO-Engagement Lever Operating the PTO-Engagement Lever The PTO-engagement lever starts and stops the mower blades and blower. WARNING An uncovered discharge opening allows objects to be thrown at you and bystanders. Also, contact with the blower blades could occur. Thrown objects or blade contact can cause serious injury or death. g032742 Figure 18 Never operate the mower with the hopper or hopper door raised, removed, or altered.
Disengaging the Parking Brake g032727 Figure 20 Starting and Shutting Off the Engine Starting the Engine 1. Move the speed-control lever to the NEUTRAL position. 2. Engage the parking brake; refer to Engaging the Parking Brake (page 22). 3. Move the PTO-engagement lever to the OFF position (Figure 21). 4. Move the throttle lever midway between the SLOW and FAST positions. g032743 5. For EFI machines: On a cold engine, push the choke lever forward into the CLOSED/ON position.
Shutting Off the Engine CAUTION Children or bystanders may be injured if they move or attempt to operate the machine while it is unattended. Always remove the ignition key and engage the parking brake when leaving the machine unattended, even if just for a few minutes. Important: Make sure that the fuel-shutoff valve is closed before transporting or storing the machine, as fuel leakage may occur. Engage the parking brake before transporting.
Driving Forward Note: To begin movement (forward or backward), , sit in the seat, disengage (push down) the brake lever, then move the speed-control lever forward; otherwise, the engine will stop. To stop the machine, pull the speed control lever to the NEUTRAL position. 1 1. Start the engine. 2 2. Disengage the parking brake; refer to Disengaging the Parking Brake (page 23). 3. To move forward in a straight line move the speed control lever forward.
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 in uncut grass.
Clearing the Hopper Screen 1. Move the speed-control lever to the NEUTRAL position to stop the machine. Remove the screen by firmly lifting the screen handles (Figure 24). 2. Disengage the PTO lever, engage the parking brake, shut off the engine, and wait for all moving parts to stop. Pull the screen toward the back to remove it. As needed, gently tap the screen to remove debris. 3. Tilt the seat up to gain access to the pumps. Note: Excessive buildup on the screen can cause 4.
Loading the Machine Use extreme caution when loading or the unloading machine onto a trailer or a truck. Use a full-width ramp that is wider than the machine for this procedure. Important: If a full-width ramp is not available, use enough individual ramps to simulate a full-width ramp. Ensure that the ramp is long enough so that the angle with the ground does not exceed 15 degrees. A steeper angle may cause mower components to get caught as the machine moves from the ramp to the trailer or truck.
Maintenance Recommended Maintenance Schedule(s) Maintenance Service Interval Maintenance Procedure After the first 50 hours • Change the oil in all 3 gearbox housings and add oil as needed. After the first 100 hours • • • • Check the wheel-lug nut torque. Check the wheel-hub nut torque. Check the parking brake adjustment. Change the hydraulic filter and reservoir hydraulic fluid when using any type of oil. Before each use or daily • • • • • • • • Check the safety-interlock system.
Maintenance Service Interval Yearly Yearly or before storage Maintenance Procedure • • • • • • Grease the front caster pivots (more often in dirty or dusty conditions). Grease the rear caster hub (more often in dirty or dusty conditions). Grease the pump-belt idler arm (more often in dirty or dusty conditions). Grease the PTO-belt idler arm (more often in dirty or dusty conditions). Grease the rear caster pivot (more often in dirty or dusty conditions). Lubricate the caster-wheel hubs.
Lubrication Lubricating the Machine Service Interval: Before each use or daily—Grease the front caster wheel hubs (more often in dirty or dusty conditions). Every 40 hours—Grease the drive shaft (more often in dirty or dusty conditions). Every 100 hours—Grease the mower-deck flip-up pivot (more often in dirty or dusty conditions). Every 100 hours—Grease the mower-deck push-arm tubes (more often in dirty or dusty conditions). Yearly—Grease the front caster pivots (more often in dirty or dusty conditions).
Lubricating the Caster-Wheel Hubs 12. Insert the second bearing and new seal into the wheel. 13. Apply a thread-locking compound to the second spacer nut and thread it onto the axle with the wrench flats facing outward. Service Interval: Yearly 1. Shut off the engine, wait for all moving parts to stop, remove the key, and engage the parking brake. 14. Torque the nut to 8 to 9 N∙m (75 to 80 in-lb), loosen the nut, then torque it to 2 to 3 N∙m (20 to 25 in-lb).
Lubricating the Brake-Rod Bushings and Steering-Linkage Rod Ends 5. Remove the small magnetic plugs and wipe away any material accumulated on the plugs. Service Interval: Every 160 hours 7. Install the gearbox and drive-shaft assembly to the mower deck. 6. Apply a Teflon® pipe sealant to all small magnetic plugs and install them into the gearbox. 1. Shut off the engine, wait for all moving parts to stop, remove the key, and engage the parking brake. 8.
Engine Maintenance WARNING Contact with hot surfaces may cause personal injury. Keep your hands, feet, face, clothing, and other body parts away the muffler and other hot surfaces. Engine Safety g032301 Figure 29 Shut off the engine before checking the oil or adding oil to the crankcase. 1. Air-cleaner body 4. Air-cleaner cover 2. Primary filter 5. Safety filter 3. Latch Servicing the Air Cleaner 4. Clean the inside of the air-cleaner cover with compressed air.
Installing the Filters Checking the Engine-Oil Level Important: To prevent engine damage, always Service Interval: Before each use or daily operate the engine with both air filters and the cover installed. Note: Check the oil when the engine is cold. Important: Do not overfill the crankcase with oil because damage to the engine may result. Do not run engine with oil below the low mark because the engine may be damaged. 1. If installing new filters, check each filter for shipping damage.
Changing the Engine Oil Changing the Engine-Oil Filter Service Interval: Every 100 hours (more often in dirty or dusty conditions). Service Interval: Every 200 hours Note: Change the engine-oil filter more frequently when operating conditions are extremely dusty or sandy. 1. Drain the oil from the engine; refer to Changing the Engine Oil (page 36). 2. Change the engine-oil filter (Figure 33). Note: Dispose of the used oil at a recycling center. 1.
Servicing the Spark Plugs Checking the Spark Plugs Service Interval: Every 200 hours—Check and gap the spark plug (EFI engines only). Important: Replace the spark plugs when they have: a black coating, worn electrodes, an oily film, cracks or reuse is questionable. Every 500 hours—Check and gap the spark plug (Non-EFI engines only). If you see light brown or gray on the insulator, the engine is operating properly. A black coating on the insulator usually means that the air cleaner is dirty.
Checking the Spark Arrester Fuel System Maintenance For a Model with a Spark Arrester WARNING Service Interval: Every 50 hours Fuel system components are under high pressure. The use of improper components can result in system failure, fuel leakage, and possible explosion. WARNING Hot exhaust system components may ignite fuel vapors even you shut off the engine. Hot particles exhausted during engine operation may ignite flammable materials. Fire may result in personal injury or property damage.
Electrical System Maintenance 1 2 Electrical System Safety 3 • 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 g008963 Figure 37 1. Fuel filter 2. Hose clamp WARNING 3.
Removing the Battery WARNING Battery terminals or metal tools could short against metal machine components causing sparks. Sparks can cause the battery gases 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. g025144 • Do not allow metal tools to short between the battery terminals and metal parts of the machine. Figure 38 1. Negative (black) battery cable 2. Wing nut 4. Clamp 5.
Adjusting the Safety Switches 3. Install the battery in the machine and connect the battery cables, refer to Installing the Battery (page 40). Note: Do not run the machine with the battery disconnected; electrical damage may occur. Adjust all safety switches so that the plunger extends 4.8 mm to 6.4 mm (3/16 inch to 1/4 inch) from the switch body when the plunger is compressed (Figure 40). g006849 Figure 40 1. 4.8 to 6.4 mm (3/16 to 1/4 inch) g000960 Figure 39 1. Positive battery post 3.
5. Connect the black negative (–) cable to the other terminal (negative) of the booster battery. systems. Make sure that the cables are color coded or labeled for the correct polarity. 6. Make the final connection on the engine block of the stalled vehicle (not to the negative battery post) away from the battery and stand back. CAUTION Connecting the jumper cables incorrectly (wrong polarity) can immediately damage the EFI system. 7.
Drive System Maintenance Note: The front tires are semi-pneumatic tires and does not require air pressure maintenance. Adjusting the Tracking Note: The tracking knob is located under the seat. Note: Rotating this knob allows fine tuning adjustments so that the machine tracks straight with the drive levers in the full forward position. 1. Run the machine at 3/4 speed for at least 5 minutes to bring hydraulic fluid up to operating temperature. Stop machine and wait for all moving parts to stop.
Cooling System Maintenance 4. Tighten the locknut until the spring washers are flat and then back off 1/4 turn to properly set the pre-load on the bearings (Figure 44 and Figure 45). Important: Make sure that the spring Cleaning the Engine Screen and Engine Oil Cooler washers are installed correctly as shown in Figure 44 and Figure 45. 5. Install the dust cap. Service Interval: Before each use or daily Remove any buildup of grass, dirt, or other debris from the oil cooler.
Brake Maintenance Checking and Cleaning the Hydraulic Pumps Adjusting the Parking Brake Service Interval: Before each use or daily 1. Move the speed-control lever to the NEUTRAL position to stop the machine. Service Interval: After the first 100 hours 2. Disengage the PTO, engage the parking brake, shut off the engine, and wait for all moving parts to stop. Every 500 hours thereafter Make sure that the brake is adjusted properly. Follow this procedure when you remove or replace a brake component. 3.
g020525 Figure 48 1. 22.7 to 23.3 cm (8.92 to 9.16 inches) 9. Engage and disengage the brakes to check for proper engagement and disengagement. Adjust if necessary. g020489 Figure 47 1. Parking brake 4. Vertical spring assembly 2. Steering lever 5. Nut 3. Speed-control lever 6. 6 to 7 cm (2.35 to 2.85 inches) 2. Nuts Note: When the brakes are disengaged, there should be little to no free play in the brake linkage with no dragging in the brakes. 8.
Belt Maintenance 10. Rotate the brake band down into the original position. Inspecting the Belts 11. Install the clevis pin and hairpin cotter to secure the brake band. Service Interval: Every 40 hours 12. Engage the PTO lever. 13. Loosen the jam nuts and adjust the linkage until the top of the idler arm is aligned with the bottom of the notch on the tension arm as shown in Figure 50. 1. Stop the machine and move the speed-control lever to the NEUTRAL position. 2.
Replacing the Pump-Drive Belt Adjusting the Belt Guides 1. Stop the machine and move the speed-control lever to the NEUTRAL position. 1. Stop the machine and move the speed-control lever to the NEUTRAL position. 2. Disengage the PTO, engage the parking brake, shut off the engine, and wait for all moving parts to stop. 2. Disengage the PTO, engage the parking brake, shut off the engine, and wait for all moving parts to stop. 3. With the engine off, engage the PTO lever. 4.
Controls System Maintenance F. Repeat steps C through E until you achieve up to 3 mm (1/8 inch) movement. G. Install the seat frame assembly, if removed in step A. Adjusting the Reverse-Stop Rod Adjusting the 1. Stop the machine and move the speed-control Speed-Control Lever lever to the NEUTRAL position. 2. Disengage the PTO, engage the parking brake, Tension shut off the engine, and wait for all moving parts 1. Stop the machine and move the speed-control lever to the NEUTRAL position. to stop. 3.
Adjusting the Speed-Control Linkage 11. Adjust the right pump linkage by using a wrench to turn the double nuts on the assembly (Figure 55) WARNING The engine must be running and the drive wheels must be turning to adjust the motion controls. Contact with moving parts or hot surfaces may cause personal injury. Keep your fingers, hands, and clothing clear of rotating components and hot surfaces.
1. Shut off the machine and move the speed-control lever to the NEUTRAL position. 3. Remove the fuel-tank mounting nuts and swing out the fuel tank. 4. Verify that the blower is installed and tightly secured. 5. Loosen the 4 engine mounting bolts. 6. Unhook the pump-belt tension spring. 7. Loosen the 4 jackshaft mounting bolts. 8. Measuring from the blower pulley as a baseline, move the engine and jackshaft until the rear surface of all 3 pulleys are aligned within 0.8 to 1.
Adjusting the Hopper Door Adjusting the Locking-Pin Stop on the Mower Deck 1. Stop the machine and move the speed-control lever to the NEUTRAL position. 1. Slide the mower-deck locking pins in on both sides of the mower deck and rotate them to lock the mower deck in the operation position. 2. Disengage the PTO, engage the parking brake, shut off the engine, and wait for all moving parts to stop. 2.
Hydraulic System Maintenance 8. Wipe the dipstick off and thread the dipstick into the reservoir. Hydraulic System Safety 9. Remove the dipstick and look at the end (Figure 60). If the oil level is at the add mark, slowly pour only enough oil into the hydraulic reservoir to raise the level to the full line.
Mower Deck Maintenance Replacing the Hydraulic Filter Service Interval: After the first 100 hours—Change the hydraulic filter and reservoir hydraulic fluid when using any type of oil. Leveling the Mower Deck Every 250 hours—Change the hydraulic filter and reservoir hydraulic fluid when using Mobil® 1 oil (more often in dirty or dusty conditions).
Inspecting the Blades Note: The front pins are thread into the mower deck and have a jam nut. The rear pins have a rod end threaded into them with a jam nut. Service Interval: Before each use or daily 1. Lift the mower deck and secure it in the raised position. Refer to Raising the Mower Deck into the Service Position (page 17). Servicing the Cutting Blades 2. Inspect the cutting edges (Figure 62). 3.
Removing the Blades Note: Make note of the red-colored blade position. From the normal user position, it is located on the right side. Replace a blades if it hits a solid object, is out of balance, or 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. Lift the mower deck and secure in the raised position.
Installing the Blades Sharpening the Blades 1. Use a file to sharpen the cutting edge at both ends of the blade (Figure 65). Note: Determine the left and right sides of the machine from the normal operating position. Note: Maintain the original angle. Note: Ensure that you install the red-colored blade Note: The blade retains its balance if the same on the right side. 1. Install the blade driver to the new blades with the shear bolts and locknuts (Figure 64).
Removing the Mower Deck 4. Remove the spring from the spring anchor. Repeat for other side of the machine. 5. Unlatch the mower deck from the raised position and slowly lower the mower deck to ground; refer to Lowering the Mower Deck to the Operating Position (page 18). WARNING Operating this machine without an approved Toro front-mount attachment increases the possibility of operator entanglement in drive wheels or forward tip over. Entanglement or tip-over could cause serious injury or death.
8. Raise the seat and disconnect the drive shaft using the quick coupler at the jackshaft (Figure 70). 8. Install the springs onto the spring anchor pins under the left and right consoles and secure with a washer and hairpin cotter (Figure 67). 9. Unlatch the mower deck from the raised position, slowly lower the mower deck to ground, and lock the deck-locking pins on each side. Refer to Lowering the Mower Deck to the Operating Position (page 18). Adjusting the Locking-Pin Stop on the Mower Deck 1.
Cleaning Storage Cleaning under the Mower Cleaning and Storage 1. Disengage the power takeoff (PTO), engage the parking brake, 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 and hydraulic system. Clean dirt and chaff from the outside the engine cylinder head fins and blower housing. Service Interval: Before each use or daily 1.
C. Shut off the engine, wait for it to cool, and drain the fuel tank; refer to Servicing the Fuel Tank (page 39). D. Start the engine and run it until it stops. E. Dispose of fuel properly. Recycle as per local codes. Important: Do not store fuel with stabilizer/conditioner over 90 days. 13. Check and tighten all bolts, nuts, and screws. Repair or replace any part that is damaged. 14. Paint all scratched or bare metal surfaces. Paint is available from your Authorized Service Dealer. 15.
Troubleshooting Problem The malfunction indicator light (MIL) comes on. Possible Cause 1. The engine is too hot. 1. Turn the engine off and let it cool. 2. There is old gas in the gas tank. 3. The fuel-shutoff valve is not open completely. 4. The air cleaner is dirty. 2. Use new gas. 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. The mower pulls left or right (with levers fully forward). The machine does not drive. The machine vibrates abnormally. The machine produces an uneven cutting height. 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.
Schematics g020385 Wire Diagram (Not EFI machines) (Rev.
g020386 Wire Diagram (EFI machines) (Rev.
g020536 Hydraulic Diagram (Rev.
Notes:
The Toro Warranty Landscape Contractor Equipment (LCE) A Limited Warranty (see warranty periods below) Riding Product Conditions and Products Covered 3. If for any reason you are dissatisfied with the Service Dealer’s analysis or with the assistance provided, contact us at: The Toro Company and its affiliate, Toro Warranty Company, pursuant to an agreement between them, jointly promise to repair the Toro Products listed below if defective in materials or workmanship.
