Form No. 3424-619 Rev A Z Master® 8000 Series Riding Mower with 48in Cutting Unit Model No. 74312—Serial No. 403226948 and Up Model No. 74313—Serial No. 403319681 and Up Model No. 74315—Serial No. 403319701 and Up Register at www.Toro.com.
Introduction 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. This rotary-blade, riding lawn mower is intended to be used by residential homeowners or professional, hired operators.
Contents Safety ....................................................................... 4 General Safety ................................................... 4 Slope Indicator ................................................... 5 Safety and Instructional Decals .......................... 6 Product Overview ................................................... 13 Controls ........................................................... 13 Specifications ..................................................
Safety Adjusting the Safety Switches........................... 42 Jump-Starting the Machine............................... 42 Drive System Maintenance .................................. 43 Adjusting the Tracking ...................................... 43 Checking the Tire Pressure............................... 44 Checking the Wheel-Lug Nuts .......................... 44 Checking the Wheel-Hub Nuts.......................... 44 Adjusting the Caster-Pivot Bearings .................
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. decal93-7818 93-7818 decalbatterysymbols 1. Warning—read the Operator's Manual for instructions on torquing the blade bolt/nut to 115 to 149 N∙m (85 to 110 ft-lb). 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.
decal112-9028 112-9028 1. Warning—stay away from moving parts; keep all guards in place. decal116-8934 116-8934 1. Warning—disengage the blade clutch, shut off the engine, and remove the key before making adjustments, servicing, or cleaning the deck. decal115-4212 115-4212 3. Warning—do not touch the hot surface. 1. Hydraulic fluid level 2. Height of cut 2. Read the Operator's Manual. decal116-8935 116-8935 2 1 1.
decal116-8946 116-8946 1. Rotate counterclockwise to release. 2. Rotate clockwise to lock. decal116-8941 116-8941 3. Unlock to push the machine. 4. Read the Operator’s Manual before servicing or performing maintenance. decal116-9049 116-9049 decal116-8943 116-8943 1. Rotating driveline hazard—keep all driveline shields in place. Securely attach both ends of the driveline. 1.
decal120-0625 120-0625 1. Pinch point, hand—keep your hands away. decal126-4207 126-4207 1. Refer to the Operator’s Manual for adjustment procedure. When PTO is engaged, the idler arm position must be in hatched area or an adjustment is required. decal130-2880 130-2880 Non-EFI Machines Only 1. Engine temperature 7. Retract the piston 2. Fast 8. Extend the piston 3. 4. 5. 6. 9 Slow Neutral Neutral Reverse 9. 10. 11. 12.
decal130-2881 130-2881 EFI Machines Only 1. Engine temperature 7. Retract the piston 2. Fast 8. Extend the piston 9. Fast 10. Slow 11. MIL toggle switch 3. Slow 4. Neutral 5. Neutral 6. Reverse decal126-4159 Molded in Left Console 1. PTO—disengage 3. Park brake—release 2. PTO—engage 4.
decal126-4158 Molded into Front of Hopper 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 and review the conditions in which you will use the machine to determine whether you can operate the machine in the conditions on that day and at that site.
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. Check the gearbox oil every 100 hours (use only Mobil 1 75W-90 gear oil). 4. Check the hydraulic fluid level every 40 hours (only use recommended hydraulic fluid). 11. Grease the front caster pivots every 500 hours. 5.
Product Overview g020356 Figure 5 g026780 1. Key switch 5. Throttle 2. Hopper switch 6. Engine-oil temperature light and buzzer 3. Message display 7. Check engine light (EFI machines only) Figure 4 1. Speed-control lever 4. Motion-control levers 2. Controls 5. PTO-engagement lever 3. Fuel cap 6. Parking-brake lever 4. Choke control (non-EFI machines) Key Switch The key switch, used to start and shut off the engine, has 3 positions: OFF, RUN, and START .
Brake Lever Engine-Oil-Temperature Light and Buzzer The brake lever engages a parking brake on the drive wheels (Figure 4). The engine-oil-temperature light monitors the temperature of the engine oil. An illuminated engine-oil-temperature light and intermittent buzzing sound signals that the engine is overheating. Hour Meter The hour meter records the number of hours the engine has operated. The hour meter is recording when the decimal point is flashing in the Hour/Voltage display.
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.
Adding Fuel containers on the ground, away from your vehicle before filling. • Remove the equipment from the truck or trailer Recommended Fuel 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. • For best results, use only clean, fresh (less than • Do not operate the machine without the entire 30 days old), unleaded gasoline with an octane rating of 87 or higher ((R+M)/2 rating method).
g006790 Figure 8 1. Deck-lift handle 2. Rotate the mower deck locking pin toward the rear and pull outward to unlock. 3. Push the deck locking pin in and rotate it toward the front to lock. g234031 Figure 7 4. Performing Daily Maintenance Using the deck-lift handle, lift the deck and latch it in the raised position (latch is located at front center of seat) as shown in Figure 9. Before starting the machine each day, perform the Each Use/Daily procedures listed in Maintenance (page 29).
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 9). 2. Push the deck-locking pins inward and rotate them forward to securely lock the mower deck in the lowered position (Figure 8). WARNING g006787 Figure 10 Operating the machine without the locking pins securely latched can result in the mower deck folding up unexpectedly, causing serious injury. 1.
Understanding the Safety-Interlock System 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 The safety-interlock system is designed to shut off the engine when you rise from the seat when the PTO is engaged. The hour meter has symbols to notify you when the interlock component is in the correct position.
3. 4. 5. NEUTRAL position. Try starting the engine; the engine should not start. • Look behind and down before backing up to be 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. • Use care when approaching blind corners, shrubs, sure of a clear path. trees, or other objects that may obscure your vision.
the machine and any hazard. Use a walk-behind machine or a hand trimmer to mow the grass in these areas. • Avoid starting, stopping, or turning the machine on slopes. Avoid making sudden changes in speed or direction; turn slowly and gradually. g229846 Figure 14 • Do not operate a machine under any conditions where traction, steering, or stability is in question. Be aware that operating the machine on wet grass, across slopes, or downhill may cause the machine to lose traction.
Engaging the PTO-Engagement Lever Operating the Parking Brake Always engage the parking brake when you stop the machine or leave it unattended. Engaging the Parking Brake Park the machine on a level surface. g032726 Figure 16 g032741 Figure 18 Disengaging the Parking Brake Disengaging the PTO-Engagement Lever g032727 Figure 17 Operating the PTO-Engagement Lever g032742 Figure 19 The PTO-engagement lever starts and stops the mower blades and blower.
g232776 Figure 20 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. 5. For EFI machines: Move the choke control to the CLOSED/ON position. On a warm engine, leave the choke in the OPEN/OFF position. g032743 Figure 21 6.
Driving the Machine Shutting Off the Engine The throttle control regulates the engine speed as measured in rpm (revolutions per minute). Place the throttle control in the FAST position for best performance. Always operate in the full throttle position when mowing. CAUTION Children or bystanders may be injured if they move or attempt to operate the machine while it is unattended. WARNING Always remove the key and engage the parking brake when leaving the machine unattended. 1. Disengage the PTO. 2.
2. 3. thoroughly cut grass clippings, so do not set the height-of-cut so low as to totally surround the mower deck in uncut grass. Always try to have 1 side of the mower deck free from uncut grass, which allows air to be drawn into the mower deck. disengage the PTO, 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.
Keeping the Underside of the Mower Deck Clean Clean clippings and dirt from the underside of the mower deck after each use. If grass and dirt build up inside the mower deck, cutting quality will eventually become unsatisfactory. Maintaining the Blade(s) g025244 Figure 24 Maintain a sharp blade throughout the cutting season because a sharp blade cuts cleanly without tearing or shredding the grass blades.
5. Disengage the parking brake before pushing the machine. Note: Do not tow the machine. 6. Rotate the valves clockwise to run the machine. Note: Do not overtighten the valves. 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.
Loading the Machine WARNING Loading a machine onto a trailer or truck increases the possibility of tip-over and could cause serious injury or death. • Use extreme caution when operating a machine on a ramp. • Back the machine up the ramp and drive it forward down the ramp. • Avoid sudden acceleration or deceleration while driving the machine on a ramp as this could cause a loss of control or a tip-over situation. 1. If using a trailer, connect it to the towing vehicle and connect the safety chains. 2.
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 fluid. 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).
3. Loosen the clamp holding the hose and remove the air cleaner (Figure 29). g006115 Figure 31 1. Seal guard g034250 Figure 29 1. Bolt 4. 2. Clamp Remove the bolts and the plate below the air cleaner. 2. Spacer nut with wrench flats 3. Raise the mower for access. 4. Remove the caster wheel from the caster forks. 5. Remove the seal guards from the wheel hub. 6. Remove a spacer nut from the axle assembly in the caster wheel.
17. Install the seal guards over the wheel hub, and insert the wheel into the caster fork. Lubricating the Brake-Rod Bushings and Steering-Linkage Rod Ends 18. Install the caster bolt and tighten the nut fully. Service Interval: Every 160 hours Note: Make sure that the axle does not extend beyond either nut. Important: To prevent seal and bearing damage, check the bearing adjustment often. Spin the caster tire. The tire should not spin freely (more than 1 or 2 revolutions) or have any side play.
Engine Maintenance Engine Safety • Shut off the engine before checking the oil or adding oil to the crankcase. Keep your hands, feet, face, clothing, and other body parts away the muffler and other hot surfaces. • Servicing the Air Cleaner g007579 Figure 33 1. Small magnetic plugs (front and back) Service Interval: Every 150 hours Every 250 hours—Replace the primary air filter (more often in dusty or sandy conditions). Every 250 hours—Check the safety air filter.
Servicing the Engine Oil Note: Avoid knocking the filter into the side of the body. 6. Remove the safety filter only to replace it. Engine-Oil Specifications Important: Do not attempt to clean the Oil Type: Detergent oil (API service class SJ or higher) safety filter. If the safety filter is dirty, then the primary filter is damaged. Replace both filters. 7. Oil Capacity (Non-EFI engines): with a filter change, 1.8 L (61 fl oz); with no filter change, 1.
7. Remove the dipstick and read the oil level. Changing the Engine Oil 8. If the oil level is low, wipe off the area around the oil-fill cap, remove cap and fill to the full mark on the dipstick (Figure 36). Service Interval: Every 100 hours (more often in dirty or dusty conditions). Note: Dispose of the used oil at a recycling center. Important: Do not operate the engine with the oil level below the low (or add) mark on the dipstick or over the full mark. 1.
Changing the Engine-Oil Filter Servicing the Spark Plugs Service Interval: Every 200 hours—Change the engine-oil filter (more often in dirty or dusty conditions). Service Interval: Every 200 hours—Check and gap the spark plug (EFI engines only). 1. Drain the oil from the engine; refer to Changing the Engine Oil (page 36). 2. Change the engine-oil filter (Figure 38). Every 500 hours—Check and gap the spark plug (Non-EFI engines only).
Checking the Spark Plug Checking the Spark Arrester 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. For Machines with a Spark Arrester 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. Service Interval: Every 50 hours WARNING Set the gap to 0.76 mm (0.03 inch).
Fuel System Maintenance Note: Ensure that the markings on the filter follow the fuel flow direction. WARNING Fuel-system components are under high pressure. The use of improper components can result in system failure, fuel leakage, and possible explosion. Use only approved fuel lines and fuel filters. Servicing the Electronic Fuel-Injection System EFI Machines Only This machine contains an electronic fuel-injection system. It controls the fuel flow under different operating conditions.
Removing the Battery Electrical System Maintenance WARNING Incorrectly removing the cables from battery could damage the machine and cables, causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury. 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.
Charging the Battery 3. Install the negative (black) battery cable and ground wire to the negative (-) battery terminal. 4. Charging the battery produces gasses that can explode. Secure the cables with 2 bolts, 2 washers, and 2 locknuts (Figure 43). 5. Never smoke near the battery and keep sparks and flames away from the battery. Slide the red terminal boot onto the positive (red) battery post. 6. Install the clamp and secure it with the wing nuts and J-hooks (Figure 43).
Adjusting the Safety Switches systems. Make sure that the cables are color coded or labeled for the correct polarity. CAUTION 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 45). Connecting the jumper cables incorrectly (wrong polarity) can immediately damage the EFI system. Be certain of battery-terminal polarity and jumper-cable polarity when hooking up the batteries.
5. Connect the black negative (–) cable to the other terminal (negative) of the booster battery. 6. Make the final connection on the engine block of the stalled machine (not to the negative battery post), away from the battery, and stand back (Figure 47). Drive System 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.
Checking the Tire Pressure 2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3. Remove the dust cap from the caster and tighten the locknut until the spring washers are flat, then back off 1/4 turn to properly set the pre-load on the bearings (Figure 50 and Figure 51). Service Interval: Every 40 hours Maintain the air pressure in the rear tires at 103 kPa (15 psi). Uneven tire pressure can cause uneven cut.
Cleaning the Engine Cooling Fins and Shrouds Cooling System Maintenance Service Interval: Every 100 hours/Yearly (whichever comes first) Cleaning the Engine Screen and Engine-Oil Cooler 1. Park the machine on a level surface, move the speed-control lever to the NEUTRAL position, disengage the 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. Remove the air-intake screen and fan housing. 4.
Brake Maintenance Adjusting the Parking Brake Service Interval: After the first 100 hours Every 500 hours thereafter Make sure that the brake is adjusted properly. Follow this procedure when you remove or replace a brake component. 1. Park the machine on a level surface, move the speed-control lever to the NEUTRAL position, disengage the 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.
Belt Maintenance Inspecting the Belts Service Interval: Every 40 hours 1. Park the machine on a level surface, move the speed-control lever to the NEUTRAL position, disengage the 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. Tilt the hopper up and check the pump and PTO drive belts for wear, cracking, or contamination. g020525 Note: The belts are spring tensioned and no Figure 54 1. 22.
14. Engage the PTO lever and check the alignment. 15. Check and adjust the belt guides as stated in Adjusting the Belt Guides (page 49). Replacing the Pump-Drive Belt 1. Park the machine on a level surface, move the speed-control lever to the NEUTRAL position, disengage the 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. Remove the PTO Belts; refer to Replacing the PTO Belts (page 47).
Adjusting the Belt Guides Controls System Maintenance 1. Park the machine on a level surface, move the speed-control lever to the NEUTRAL position, disengage the 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. With the engine off, engage the PTO lever. Align the PTO-drive pulley for any of the following conditions: 4. Adjust the belt guides as shown in Figure 58.
Aligning the Pump-Drive Pulley The pump-drive-pulley alignment is necessary for any of the following conditions: • The engine mounting bolts have been loosened or the engine has been moved or replaced. • The pump pulleys have been loosened, moved, or replaced. • The PTO pulley has been aligned; refer to Aligning the Pump-Drive Pulley (page 50). g006846 Figure 59 1. Align the 3 pump-drive pulley surfaces shown with this pattern within 0.8 to 1.6 mm (1/32 inch to 1/16 inch). 9. 2.
Adjusting the Hopper Door Adjusting the PTO Brake Spring Adjust the PTO brake spring only if the blower has been removed or replaced or if the PTO drive idler arm has been disassembled. 1. Park the machine on a level surface, move the speed-control lever to the NEUTRAL position, 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.
Hydraulic System Maintenance 8. Remove the dipstick and look at the end (Figure 62). If the fluid level is at the add mark, slowly pour only enough fluid into the hydraulic reservoir to raise the level to the full line. Important: Do not overfill the hydraulic Hydraulic System Safety units with fluid, as damage may occur. Do not run the machine with the fluid below the add mark. • Seek immediate medical attention if fluid is injected into skin.
Mower Deck Maintenance Important: Do not change the hydraulic system fluid (except for what can be drained when changing the filter), unless the fluid has been contaminated or been extremely hot. Changing the hydraulic fluid unnecessarily could damage the hydraulic system by introducing contaminates into the system. 5. Before installing the new filter, fill it with Toro® HYPR-OIL™ 500 hydraulic fluid and apply a thin coat of fluid on the surface of the rubber seal. 6.
Servicing the Cutting Blades To ensure a superior quality of cut, keep the blades sharp. For convenient sharpening and replacement, you may want to keep extra blades on hand. Blade Safety g006530 Figure 64 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. • Inspect the blades periodically for wear or damage.
Removing the Blades 2. Replace the blades if they hit a solid object, or if the blade is out of balance or bent. Note: If the blade stays in a horizontal position, the blade is balanced and can be used. Note: Make note of the red-colored blade position. From the normal user position, it is located on the right side. 1. Lift the mower deck and secure in the raised position. Refer to Raising the Mower Deck into the Service Position (page 17). 2. Hold the blade end using a rag or thickly padded glove.
Removing the Mower Deck WARNING Operating this machine without an approved Toro front mount attachment increases the possibility of operator entanglement in the drive wheels or forward tip-over. Entanglement or tip-over could cause serious injury or death. When operating this machine without an approved Toro front mount attachment, observe the following: • Keep feet and clothing away from tires. g006788 Figure 69 • Limit operation to minimum required to install a different front mount attachment. 1.
g006785 Figure 72 g233982 1. Jackshaft Figure 70 1. Push arm 2. Lynch pin 10. 3. Push-arm tube 8. Pull the mower deck forward to remove it from the machine. Installing the Mower Deck Remove the hairpin cotter and clevis pin from both sides of the PTO guard (Figure 71). Important: Do not transport the machine without an approved Toro front mount attachment. 1.
9. Install the springs onto the spring anchor pins under the left and right consoles and secure with a washer and hairpin cotter (Figure 69). Cleaning 10. 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). Cleaning under the Mower Service Interval: Before each use or daily Adjusting the Locking-Pin Stop on the Mower Deck 1.
Storage A. Storage Safety • Let the engine cool before storing the machine. • Do not store the machine or fuel near flames or Add a petroleum based stabilizer/conditioner to fuel in the tank. Follow mixing instructions from the stabilizer manufacturer. Do not use an alcohol-based stabilizer (ethanol or methanol). Note: A fuel stabilizer/conditioner is most drain the fuel indoors. effective when mixed with fresh fuel and used at all times. Cleaning and Storage B.
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 Corrective Action 1. The PTO belt is worn, loose, or broken. 1. Check the belt tension or replace belt 2. The PTO shaft is not connected. 3. The PTO belt is off the pulley. 2. Connect the PTO shaft. 3. Check the belt for damage. Install the belt and check adjusting shafts and belt guides for correct position.
Schematics g020385 Wire Diagram (Non-EFI machines) (Rev.
g020386 Wire Diagram (EFI machines) (Rev.
g020536 Hydraulic Diagram (Rev.
Notes:
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.
