Form No. 3436-660 Rev A Z Master® Professional 7000 Series Riding Mower With 52in, 60in, or 72in TURBO FORCE® Side Discharge Mower Model No. 72266—Serial No. 400000000 and Up Model No. 72267—Serial No. 406395553 and Up Model No. 72274—Serial No. 406427789 and Up Register at www.Toro.com.
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.
Contents Draining the Water Separator ........................... 46 Replacing the Fuel Filter ................................... 47 Servicing the Fuel Tank..................................... 47 Electrical System Maintenance ........................... 48 Electrical System Safety ................................... 48 Servicing the Battery......................................... 48 Servicing the Fuses .......................................... 50 Drive System Maintenance ...............................
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. decal98-4387 98-4387 1. Warning—wear hearing protection. 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.
decal107-1861 107-1861 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. Read the Operator's Manual; drive slowly and carefully. decal140-4356 140-4356 1. Fuel valve—closed 3. Fuel valve—right tank 2.
decal107-3963 107-3963 1. Cutting/dismemberment hazard, mower blade—do not carry passengers and keep bystanders away. 3. Thrown object 2. Cutting/dismemberment hazard—keep bystanders hazard of hand or foot, away; keep the deflector in mower blade—remove place. the key and read the instructions before servicing or performing maintenance; stay away from moving parts. 4. Before starting the engine, clean grass and debris from the mower belt and pulleys, insert the key, and start the engine.
decal107-3968 107-3968 1. Disengage 3. Parking brake 2. Engage decal140-4359 140-4359 1. Read the Operator’s Manual. 2. Belt routing decal107-7719 107-7719 1. Cutting/dismemberment hazard, fan and entanglement hazard, belt—stay away from moving parts. 2. Before starting the engine, clean grass and debris from the mower belt and pulleys, insert the key, and start the engine. decal108-5981 108-5981 decal140-4357 140-4357 1.
decal110-0820 110-0820 1. Fast 5. Warning—read the Operator's Manual. 2. Slow 6. Poison and caustic liquid/chemical burn hazard—keep children away from the battery. 3. Neutral 7. Explosion hazard—no fire, open flames, or smoking; avoid sparks. 4. Reverse 8. To unlock the traction drive, turn the bypass valve 1 complete revolution counterclockwise using a 5/8 inch or 16 mm wrench. decal110-3853 110-3853 decal110-2067 110-2067 1. Cutting/dismemberment hazard, fan and entanglement hazard, belt.
decal115-4212 115-4212 1. Hydraulic fluid level decal117-3848 117-3848 3. Warning—do not touch the hot surface. 1. Thrown object hazard—keep bystanders away. 2. Read the Operator's Manual. 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. decal140-4360 140-4360 decal116-5610 116–5610 1.
decal127-0326 127-0326 3. Remove the key and read the Operator's Manual before performing maintenance. 1. Read the Operator's Manual. decal121-7562 121-7562 1. Push to start 4. Variable speed control 2. Read the Operator’s Manual for more information on preheating the engine. 5. Fast 2. Height of cut 3. Slow decal126-2055 126-2055 1. Wheel lug nut—torque to 129 N∙m (95 ft-lb). 2. Wheel hub nut—torque to 319 N∙m (235 ft-lb). 3.
decal140-4362 140-4362 10. Every 25 hours—change 1. Read the Operator’s the engine coolant Manual before performing maintenance. 2. Remove the key. 11. Every 200 hours—grease 12. Every 25 hours—grease 3. Hydraulic fluid—Mobil 1 15W-50 4. Engine oil—SAE 10W-30 13. Every 40 hours—grease 5. Tire pressure—13 PSI 14. Every 500 hours—grease 6. Transmission fluid—SAE 15. Every 400 hours—change the fuel filter 75W90 7. Every 100 hours—change 16. Every 250 hours—change the engine oil the air filter 8.
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.
Controls Product Overview Become familiar with all the controls before you start the engine and operate the machine. Control Panel g208514 Figure 4 g010363 Figure 5 1. Height of cut deck-lift pedal 7. Fuel cap 2. Parking-brake lever 8. Seat belt 2. Key switch 7. Engine-temperature light 3. Transport lock 9. Controls 3. Fuel-selector valve 4. Audible alarm 5. Glow-plug switch 8. Throttle control 9. PTO switch 4. Motion-control levers 5. Roll bar 6. Engine screen 1. Hour meter 10.
is running. Use these times for scheduling regular maintenance (Figure 6). occur from over heating. Refer to Operating with the Overheat Sensor (page 32). Motion-Control Levers Use the motion-control levers to drive the machine forward, reverse, and turn either direction (Figure 4). Fuel-Selector Valve The fuel-selector valve is located behind the seat. Close the fuel-selector valve when transporting or storing the machine. Move the selector valve to the left or right position for operation.
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 fuel is extremely flammable and vapors are explosive. Before Operation A fire or explosion from fuel 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 fuel that spills.
• Keep engine and engine area free from DANGER accumulation of grass, leaves, excessive grease or oil, and other debris which can accumulate in these areas. In certain conditions during fueling, static electricity can be released causing a spark which can ignite fuel vapors. A fire or explosion from fuel can burn you and others and cause property damage. • Always place fuel containers on the ground away from your vehicle before filling.
• Fuel filter plugging may be expected for a time The machine has 2 fuel tanks: 1 tank is on the left side and 1 is on the right side. Each tank connects to the fuel-selector valve. From there, a common fuel line leads to the engine (Figure 8). after converting to biodiesel blends. Contact your distributor for more information on biodiesel. • To use the left fuel tank, rotate the fuel-selector valve to the left. To use the right fuel tank, rotate the fuel-selector valve to the right (Figure 8).
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. g004954 Figure 9 1. Full-down position WARNING There is no rollover protection when the roll bar is in the down position. 2. Down position with the bagger installed Important: Ensure that you secure the rear part of the seat with the seat latch.
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.
Unlatching the Seat 1. During Operation Move the seat to the most rearward position. During Operation Safety Note: This prevents interference when you raise the seat. 2. Push the seat latch rearward to unlatch the seat. 3. Raise the seat up (Figure 13). General Safety The operator must use their full attention when operating the machine. Do Not engage in any activity that causes distractions; otherwise, injury or property damage may occur. Note: This allows access to the machine under the seat.
• Be sure all drives are in neutral and parking brake • • • • is engaged before starting engine. Use seat belts with the roll bar in the raised and locked position. Start the engine carefully according to instructions with feet well away from the blades. Never operate the mower with damaged guards, shields, or covers. Always have safety shields, guards, switches and other devices in place and in proper working condition. Keep clear of the discharge opening at all times.
Rollover Protection System (ROPS) Safety distance (twice the width of the machine) between the machine and any hazard. Use a walk behind machine or a hand trimmer to mow the grass in these areas. A Rollover Protection System (roll bar) is installed on the machine. WARNING 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. • Do Not remove the ROPS.
Engaging the Blade-Control Switch (PTO) Operating the Parking Brake Note: Engaging the blade-control switch (PTO) with the throttle position at half or less causes excessive wear to the drive belts. 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.
Starting the Engine in Normal Weather Starting the Engine in Cold Weather (Below 23°F or -5°C) Important: Use starting cycles of no more than 30 seconds per minute to avoid overheating the starter motor. Use the correct engine oil for the starting temperature; refer to Engine-Oil Specifications (page 42). Note: Additional starting cycles may be required when starting the engine for the first time after the fuel system has been completely without fuel.
Using the Motion-Control Levers 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 key and engage the parking brake when leaving the machine unattended. g004532 Figure 24 1. Motion-control lever—NEUTRAL-LOCK position 4. Backward 2. Center, unlocked position 5. Front of machine 3.
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. Disengage the parking brake; refer to Disengaging the Parking Brake (page 25). g008953 2.
Using the Side Discharge Adjusting the Height of Cut The mower has a hinged grass deflector that disperses clippings to the side and down toward the turf. Adjust the height of cut from 38 to 127 mm (1-1/2 to 5 inches) in 6 mm (1/4 inch) increments by moving the clevis pin into different hole locations. 1. 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.
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 30 Adjust the anti-scalp rollers as shown in Figure 28, Figure 29, and Figure 30. 1. Anti-scalp roller 4. Flange nut 2. Spacer 5. Bolt 3.
Positioning the Flow Baffle The following figures are only recommendations for use. 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 up the baffle. Position A This is the fully-rear position.
Operating with the Overheat Sensor 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. This machine has a sensor that turns off the mower deck when the engine overheats. When the engine overheats, the audible alarm and light alarm turns on along with the mower deck turning off.
Pushing the Machine by Hand After Operation After Operation Safety Important: Always push the machine by hand. Never tow the machine because hydraulic damage may occur. General Safety • Park machine on level ground, disengage drives, Pushing the Machine set parking brake, stop engine, and remove key. 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.
Changing to Machine Operation Transporting the Machine Rotate the bypass valves clockwise 1 turn to operate machine (Figure 35). 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 36). 4. Back the machine up the ramp (Figure 37). g028043 Figure 37 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 Hydraulic fluid escaping under pressure can penetrate skin and cause injury. Fluid accidentally injected into the skin must be surgically removed within a few hours by a doctor familiar with this form of injury or gangrene may result. Maintenance Safety WARNING While maintenance or adjustments are being made, someone could start the engine. Accidental starting of the engine could seriously injure you or other bystanders.
• Carefully release pressure from components with WARNING stored energy. Contact with moving parts or hot surfaces may cause personal injury. • Keep hands and feet away from moving parts. 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. Keep your fingers, hands, and clothing clear of rotating components and hot surfaces.
Maintenance Service Interval Every 400 hours Every 500 hours Monthly Yearly Maintenance Procedure • Grease the caster pivots (more often in dirty or dusty conditions). • Replace the fuel filter (more often in dirty or dusty conditions). • • • • • Check the wheel lug-nut torque. Check the wheel hub castle nut. Adjust the caster-pivot bearing. Adjust the electric clutch. Change the hydraulic filter and hydraulic fluid when using Toro® HYPR-OIL™ 500 hydraulic fluid. • Check the battery charge.
Greasing the Mower Deck and Belt Idlers Service Interval: Every 25 hours—Grease the mower deck and spindles. Grease Type: No. 2 lithium or molybdenum grease Important: Make sure that the mower-deck spindles are full of grease weekly. 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. Remove the belt covers. 4.
Greasing the Caster-Wheel Hubs 13. With the open end of the wheel facing up, fill the area inside the wheel around the axle full of general-purpose grease. Service Interval: Yearly 14. Insert the second bearing and new seal into the wheel. 1. Park the machine on a level surface, disengage the blade-control switch, and engage the parking brake. 15. 2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position.
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 Service Interval: Every 250 hours (more often in dirty or dusty conditions). Note: Check the filters more frequently if operating conditions are extremely dusty or sandy. Removing the Air Filter 1.
Servicing the Engine Oil Service Interval: Before each use or daily—Check the engine-oil level. After the first 50 hours—Replace the engine oil. Every 100 hours—Replace the engine oil. After the first 50 hours—Change the engine-oil filter. Every 200 hours—Change the engine-oil filter. Engine-Oil Specifications Oil Type: High-quality detergent oil classified API Service CJ-4 or higher for diesel engines. Do not use special additives with recommended oils. Crankcase Capacity: 3.7 L (3.
Checking the Engine-Oil Level (Figure 40). If you add oil too fast or block the hole, the oil could back up and foul the air intakes, causing engine damage. Note: Check the oil when the engine is cold. 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 engine-oil level (Figure 46). g000955 Figure 47 1.
Draining the Engine Oil 1. Changing the Engine-Oil Filter Start the engine and let it run for 5 minutes. Note: This warms the oil so it drains better. 2. Park the machine on a level surface, disengage the blade-control switch (PTO), and engage the parking brake. 3. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 1. Drain the oil from the engine; refer to Draining the Engine Oil (page 44). 2. Change the engine-oil filter (Figure 49).
Changing the Engine Oil Adding Engine Oil 1. Service Interval: After the first 50 hours Every 100 hours 1. Tilt the seat forward and remove the front engine panel (Figure 51). Start the engine and let it run for 5 minutes. Note: This warms the oil so it drains better. 2. 3. Park the machine on a level surface, 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.
Fuel System Maintenance 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. Refer to Fuel Safety (page 17) for a complete list of fuel related precautions. Draining the Water Separator g001163 Figure 53 1. Engine oil Service Interval: Every 40 hours—Drain the water separator. 2. Funnel and hose Important: Add the oil very slowly and do not block the opening of the filler hole (Figure 54).
Replacing the Fuel Filter Servicing the Fuel Tank Service Interval: Every 400 hours/Yearly (whichever comes first)—Replace the fuel filter (more often in dirty or dusty conditions). Do not attempt to drain the fuel tank. Ensure that an Authorized Service Dealer drains the fuel tank and services any components of the fuel system.
Electrical System Maintenance 2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3. Remove the battery as shown in Figure 57. 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.
Installing the Battery Charging the Battery Note: Position the battery in the tray with the terminal posts opposite from the hydraulic tank (Figure 59). WARNING Charging the battery produces gasses that can explode. 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.
Servicing the Fuses Drive System Maintenance The electrical system is protected by fuses. It requires no maintenance, however, if a fuse blows check component/circuit for malfunction or short. 1. Unlatch the engine hood and raise the engine hood to gain access to fuse holder (Figure 60). 2. To replace the fuses, pull out on the fuse to remove it. 3. 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.
Checking the Wheel Lug Nuts Check and torque the wheel lug nuts to 122 to 129 N∙m (90 to 95 ft-lb). Torquing the Wheel Hub Castle Nut Service Interval: After the first 100 hours Every 500 hours thereafter 1. Remove the cotter pin. 2. Torque the castle nut to 319 N∙m (235 ft-lb). 3. Continue to tighten the nut slowly until the next slot aligns with the cross hole in the wheel motor shaft. 4. Insert the cotter pin and bend 1 tine over the end of the shaft.
g001297 Figure 63 1. Spring washers 3. Dust cap 2. Locknut g001156 Figure 64 Servicing the Gearbox 1. Gearbox 3. Pulley 2. Side plug 4. Rear plug Checking the Gearbox-Oil Level Service Interval: Every 100 hours Changing the Gearbox Oil Use SAE 75W-90 synthetic gear lube. Service Interval: After the first 100 hours 1. Yearly Park the machine on a level surface, disengage the blade-control switch, and engage the parking brake. 2.
Adjusting the Electric Clutch Service Interval: Every 500 hours The clutch is adjustable to ensure proper engagement and proper braking. 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. Unlatch the seat and tip it forward. 4. Loosen the front engine panel knobs and remove the panel. 5.
16. Install the rubber clutch strap to the mower frame with the 2 previously removed bolts and nuts (Figure 66). 17. Pull up on the spring-loaded idler for the PTO-drive belt and install it onto the clutch pulley (Figure 65). 18. 19. 20. Cooling System Maintenance Cooling System Safety Plug in the electric connection for the clutch (Figure 66). • Swallowing engine coolant can cause poisoning; Install the front engine panel and tighten the knobs.
g001103 g001104 Figure 68 1. Antifreeze overflow bottle Figure 69 2. Indicator line on side of overflow bottle 1. Hydraulic-fluid cooler 3. Radiator screen 2. Left rear tire Cleaning the Hydraulic-Fluid Cooler and Radiator Screen Changing the Engine Coolant Service Interval: Yearly Service Interval: Before each use or daily Contact an Authorized Service Dealer for changing the coolant. Before each use, check and clean the radiator screen and oil cooler.
Brake Maintenance Belt Maintenance Adjusting the Parking Brake Inspecting the Belts Service Interval: Every 25 hours Every 200 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. Service Interval: Every 100 hours 1. Park the machine on a level surface, disengage the blade-control switch (PTO), and engage the parking brake. 2.
g006535 Figure 73 g006479 Figure 72 1. Mower belt 5. Gearbox pulley 2. Mower spindle pulley 6. Idler spring 3. Spring-loaded idler pulley 7. Idler plate (for 72-inch mowers only) 1. Belt cover 2. Latch 3. Insert slot into the tab 4. Belt guide at a 45 degree angle Adjusting the Mower Belt Tension 9. Install the belt guide on the spring-loaded idler at a 45 degree angle as shown in Figure 72 and Figure 74. Torque the bolt to 37 to 45 N∙m (27 to 33 ft-lb). For 72-inch Mowers Only 10.
8. Replacing the PTO-Drive Belt While holding the belt tension and spring length, tighten the idler plate bolts that secure the idler plate (Figure 74). Service Interval: Every 50 hours—Check the PTO-drive belt. 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.
8. Install the rubber clutch stop. 9. Install the spring to the idler arm (Figure 76). g007177 Figure 77 g007176 4. Clutch 5. Rubber clutch stop 3. Spring-loaded idler pulley 6. PTO-drive belt 3. Spring 2. Pump-drive belt 4. Spring-loaded idler pulley Replacing and Tensioning the Alternator Belt Figure 76 1. Gearbox 2. Spring 1. Clutch Replacing the Alternator Belt Service Interval: Every 50 hours—Check the alternator belt.
12. Install the oil cooler shield and engine straps to the rear frame with the 4 bolts previously removed (Figure 78). 13. Install the engine straps to the side of the machine (Figure 78). 14. Tighten the bottom bolt and install the upper bolt holding the alternator and cover (Figure 80). Tensioning the Alternator Belt 1. Place a handle between the alternator and cylinder block. 2.
Controls System Maintenance 9. Adjusting the Control Handle Neutral Position While applying slight rearward pressure on the motion-control lever, turn the head of the adjustment bolt in the appropriate direction until the control lever is centered in the NEUTRAL-LOCK position (Figure 82). Note: Keeping rearward pressure on the lever keeps the pin at the end of the slot and allows the adjustment bolt to move the lever to the appropriate position.
Hydraulic System Maintenance 6. Note: Check the fluid level while the fluid is Hydraulic System Safety warm. The fluid should be between cold and hot. • Seek immediate medical attention if fluid is injected • • • • Run the machine at low idle for 15 minutes to allow any air to purge out of the system and warm the fluid; refer to Starting the Engine in Normal Weather (page 26). 7. into skin. Injected fluid must be surgically removed within a few hours by a doctor.
Note: If 1 or both wheels do not drive, refer to Bleeding the Hydraulic System (page 63). 14. Check the fluid level while the fluid is warm. Note: The fluid should be between cold and hot. 15. If required, add fluid to the hydraulic tank. Note: Do not overfill. g001044 Figure 84 1. Hydraulic filter 4. Remove the right hydraulic line that comes into the adapter (Figure 85). 5. Allow the fluid to drain out of the system into the drain pan. 6.
Setting the Hydraulic Pump Neutral Position Note: The wheel must stop turning or slightly creep in reverse. 4. Note: Adjust the handle neutral first. That needs Open the throttle to FAST . Note: Make sure that the wheel remains stopped or slightly creeps in reverse; adjust if necessary. to be correct before you can make the following adjustment. This adjustment must be made with drive wheels turning. DANGER Mechanical or hydraulic jacks may fail to support the machine and cause a serious injury.
Setting the Left Hydraulic Pump Neutral Position 1. Loosen the locknuts at the ball joints on the pump control rod (Figure 88). 2. Start the engine, open the throttle 1/2 way and disengage parking brake; refer to Disengaging the Parking Brake (page 25). WARNING The electrical system does not perform proper safety shut off with the jumper wire installed. • Remove the jumper wire from the wire harness connector and plug the connector into the seat switch when you complete the adjustment.
Mower Deck Maintenance 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). 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. Before Inspecting or Servicing the Blades 1. 2.
Removing the Blades 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). g014974 Figure 92 1. Blade (side previously measured) 2. Measurement (position used previously) 3. Opposing side of blade being moved into measurement position 5.
Note: If the blade stays in a horizontal position, the blade is balanced and can be used. Note: If the blade is not balanced, file some metal off the end of the sail area only (Figure 95). g000553 Figure 96 1. Blade 3. 2. Balancer Repeat this procedure until the blade is balanced. Installing the Blades 1. g298850 Figure 98 Install the bushing through the blade with the bushing flange on the bottom (grass) side of the blade (Figure 97). 1. Top spindle nut 3. Blade bolt 2.
to Adjusting the Front-to-Rear Mower Deck Pitch (page 70). • If a front chain is loose, raise (tighten) the front-support arm for that chain; refer to Adjusting the Front-to-Rear Mower Deck Pitch (page 70). Leveling the Mower Deck Side-to-Side 1. Position the right blade side-to-side (Figure 99). g001040 Figure 100 1. Rear chain 5. Adjustment bolt 2. Rear-support arm 6. Front swivel 3. Bolt 7. Front-support arm 4. Jam nut 8.
Adjusting the Front-to-Rear Mower Deck Pitch 1. Adjusting the Compression Spring Position the right blade front-to-rear (Figure 101). 1. Raise the mower deck lift lever to the transport position. 2. Check the distance between the 2 large washers, it needs to be 28.2 cm (11-1/8 inches) for 52-inch mower decks, 26.7 cm (10-1/2 inches) for 60-inch mower decks, or 29.2 cm (11-1/2 inches) for 72-inch mower decks (Figure 102). g001041 Figure 101 1. Measure here from blade to hard surface 2. 2.
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. • Never operate the machine unless you install a cover plate, a mulch plate, or a grass chute and catcher. • Make sure that the grass deflector is in the down position. 1. g002519 Figure 103 Remove the locknut, bolt, spring and spacer holding the deflector to the pivot brackets (Figure 103). 2.
Cleaning Storage Cleaning under the Mower Deck Storage Safety • Shut off the engine, remove the key, wait for all Service Interval: Before each use or daily 1. 2. 3. 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. Remove the key and store it in a safe place out of the reach of children. • Park the machine on a level surface, disengage the blade-control switch (PTO), and engage the parking brake.
A. Run the engine to distribute conditioned fuel through the fuel system for 5 minutes. B. Shut off the engine, allow it to cool, and drain the fuel tank; refer to Servicing the Fuel Tank (page 47). Note: Start the engine and run it until it shuts off. C. Dispose of fuel properly. Recycle as per local codes. Important: Do not store stabilizer/conditioned fuel longer than the duration recommended by the fuel-stabilizer manufacturer. 6. Check and tighten all bolts, nuts, and screws.
Troubleshooting Problem The starter does not crank. The engine does not start, starts hard, or fails to keep running. Possible Cause 1. The blade-control switch is engaged. 1. Disengage the blade-control switch. 2. The parking brake is disengaged. 3. The motion-control levers are not in the NEUTRAL-LOCK position. 4. You are not sitting in the operator’s seat. 5. The battery is dead. 6. The electrical connections are corroded or loose. 7. A fuse is blown. 8. A relay or switch is damaged. 2.
Problem The machine pulls to the left or right (with the motion-control levers fully forward). The machine does not drive. The machine vibrates abnormally. The cutting height is uneven. Possible Cause 1. The tracking needs adjustment 1. Adjust the tracking. 2. The tire pressure in the drive tires is not correct. 2. Adjust the tire pressure in the drive tires. 1. The bypass valves are not closed tight. 1. Tighten the bypass valves. 2. The pump belt is worn, loose, or broken. 3.
Schematics g260151 119-0353 (Rev.
Notes:
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.
