Form No. 3356-216 Rev A Z597-D Z Master® with 60in or 72in TURBO FORCE® Side Discharge Mower Model No. 74268TE—Serial No. 270000001 and Up Model No. 74269TE—Serial No. 270000001 and Up Register your product at www.Toro.
The enclosed Engine Owner’s Manual is supplied for information regarding the US Environmental Protection Agency (EPA) and the California Emission Control Regulation of emission systems, maintenance, and warranty. Replacements may be ordered through the engine manufacturer. cause serious injury or death if you do not follow the recommended precautions. Figure 2 1. Safety alert symbol Introduction This manual uses 2 other words to highlight information.
Adjusting the Flow Baffle................... 26 Positioning the Flow Baffle ................ 27 Positioning the Seat ........................... 28 Unlatching the Seat............................ 29 Pushing the Machine by Hand............ 29 Using the Side Discharge ................... 30 Transporting Machines ...................... 30 Loading Machines ............................. 30 Using the Z Stand® ........................... 31 Operating Tips .................................. 32 Maintenance............
Safety ◊ the type of machine is unsuitable for its task; This machine meets or exceeds European Standards in effect at the time of production. However, improper use or maintenance by the operator or owner can result in injury. To reduce the potential for injury, comply with these safety instructions and always pay attention to the safety alert symbol, which means CAUTION, WARNING, or DANGER-"personal safety instruction." Failure to comply with the instruction may result in personal injury or death.
• Mow only in daylight or in good artificial light. • Before attempting to start the engine, disengage all blade attachment clutches and shift into neutral. • Do not use on slopes greater than 15 degrees. • Remember there is no such thing as a safe slope. Travel on grass slopes requires particular care.
Toro Riding Mower Safety • Watch for ditches, holes, rocks, dips, and rises that change the operating angle, as rough terrain could overturn the machine. The following list contains safety information specific to Toro products or other safety information that you must know that is not included in the CEN standard. • Engine exhaust contains carbon monoxide, which is an odorless, deadly poison that can kill you. Do not run engine indoors or in an enclosed area.
Sound Power Level This unit has a guaranteed sound power level of 105 dBA, based on measurements of identical machines per EN 11094. Vibration Level Hand-Arm This unit does not exceed a hand/arm vibration level of 1.26 m/s2, based on measurements of identical machines per EN 1033. Whole Body This unit does not exceed a whole body vibration level of 0.06 m/s2, based on measurements of identical machines per EN 1032.
Slope Chart 8
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 lost. 58-6520 1. Grease 93-7824 1. 2. 3. Thrown object hazard—stay a safe distance from the machine. Thrown object hazard, mower—keep the deector in place. Cutting/dismemberment of hand or foot—stay away from moving parts. 93-7010 1. Thrown object hazard— 2. Thrown object hazard, mower—keep the deector in place. 3.
98-4387 1. Warning—wear hearing protection. 104-2449 99-8939 1. Read the Operator’s Manual. 2. Height of cut 3. Remove the ignition key and read the instructions before servicing or performing maintenance. 107-1866 1.
107-2131 1. Hydraulic oil level 2. Warning—do not touch the hot surface. 107-3961 1. Height of cut in millimeters 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. 107-3962 1.
107-3963 1. Cutting/dismemberment hazard, mower blade—do not carry passengers and keep bystanders away. 2. Cutting/dismemberment 3. Thrown object hazard—keep 4. Before starting the engine, hazard of hand or foot, bystanders a safe distance clean grass and debris from mower blade—remove the from the machine and keep the mower belt and pulleys, ignition key and read the the deector in place. insert the ignition key, and instructions before servicing start the engine.
107-3968 1. Disengage 2. Engage 3. 107-3993 Parking brake 1. 2. Short, sparse grass and dry 3. conditions. Bagging Long, thick grass and wet conditions. 107-3969 1. Warning—read the Operator’s Manual. 2. Crushing hazard, mower—engage the parking brake, stop the engine, and remove the ignition key before working under the mower. 107-7673 1. 107-3978 1. Cutting/dismemberment hazard, fan and entanglement hazard, belt—stay away from moving parts. 2.
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 ignition key, and start the engine. 107-7700 1. 2. 3. 4. 5. 6. Water in fuel warning Engine—preheat Engine—stop Engine—run Engine—start Power take-off (PTO) 7. 8. 9. 10. 11. Temperature Power (Volts) Slow Fast Continuous variable setting 107-7705 107-9862 107-7706 1. Read the Operator’s Manual. 2.
Manufacturer’s Mark 1. Indicates the blade is identied as a part from the original machine manufacturer. 107-3967 1. Fast 3. Neutral 5. Warning—read the Operator’s Manual. 2. Slow 4. Reverse 6. Poison and caustic liquid/chemical burn hazard—keep children a safe distance from the battery. 15 7. Explosion hazard—no re, open ames, or smoking; avoid sparks. 8.
Product Overview Hour Meter The hour meter records the number of hours the engine has operated. It operates when the engine is running. Use these times for scheduling regular maintenance (Figure 4). Glow Plug Light (Orange Light) The glow plug indicator light turns on when the ignition switch is turned to the on position. When the light turns off, the engine is ready to be started (Figure 4). Water in Fuel Light (Red Light) The water in fuel light turns on when there is water in the fuel.
Operation 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. Note: Determine the left and right sides of the machine from the normal operating position. Adding Fuel • Fill the fuel tank outdoors, in an open area, when the engine is cold. Wipe up any fuel that spills. The engine runs on clean, fresh diesel fuel with a minimum octane rating of 40.
2. Clean around each fuel tank cap and remove the cap. Add fuel to both fuel tanks, until the level is 1/4 to 1/2 inch (6 to 13 mm) below the bottom of the filler neck. This space in the tank allows the fuel to expand. Do not fill the fuel tanks completely full. 3. Install fuel tank caps securely. Wipe up any fuel that may have spilled. 4. If possible, fill the fuel tank after each use. This will minimize possible buildup of condensation inside the fuel tank. Figure 5 Checking the Engine Oil Level 1.
2. Remove the hairpin cotter pins and remove the two pins (Figure 7). 3. Lower the the roll bar to the down position. There are two down positions. See Figure 6 for the positions. 4. Install the two pins and secure them with the hairpin cotter pins (Figure 7). Figure 7 1. 2. Figure 6 1. Full down position 2. Roll bar Raised position 3. 4. Pin Hairpin cotter pin Down position with bagger installed Important: Tighten the front knobs against the center roll bar ends (Figure 8).
Operating on wet grass or steep slopes can cause sliding and loss of control. This machine produces sound levels in excess of 85 dBA at the operators ear and can cause hearing loss through extended periods of exposure. Wheels dropping over edges can cause rollovers, which may result in serious injury, death or drowning. Wear hearing protection when operating this machine. There is no rollover protection when the roll bar is down.
Pulsing Audible Alarm The pulsing audible alarm alerts the user to low oil pressure or the alternator is not charging. Refer to Checking the Engine Oil and check the alternator belt. Operating the Parking Brake Always set the parking brake when you stop the machine or leave it unattended. Setting the Parking Brake Figure 12 1. Move the motion control levers (Figure 16) out to the neutral lock position. 1. 2. 2. Pull up and back on the parking brake lever to set the parking brake (Figure 12).
Note: Additional starting cycles may be required when starting the engine for the first time after the fuel system has been completely without fuel. 2. Turn the ignition key clockwise to the run position (Figure 13). The glow plug light will turn on. 3. After the glow plug indicator light goes out, turn the key to the start position. when the engines starts release the key. Important: Use starting cycles of no more than 30 seconds per minute to avoid overheating the starter motor. Stopping the Engine 1.
The Safety Interlock System Operating the Power Take Off (PTO) The power take off (PTO) switch starts and stops the mower blades and any powered attachments. Engaging the PTO If safety interlock switches are disconnected or damaged the machine could operate unexpectedly causing personal injury. 1. If the engine is cold, allow the engine to warm up 5 to 10 minutes before engaging the PTO. • Do not tamper with the interlock switches. 2.
PTO and rise slightly from the seat; the engine should stop. 4. Sitting on the seat, engage the parking brake, move the PTO switch to off and move the motion control levers to neutral lock position. Now start the engine. While the engine is running, center either motion control and move (forward or reverse); the engine should stop. Repeat for other motion control. 5. Sitting on the seat, disengage the parking brake, move the PTO switch to off and move the motion control levers to neutral lock position.
Stopping the Machine by relocating the clevis pin into different hole locations. To stop the machine, move the traction control levers to neutral and move to locked position, disengage the power take off (PTO), and turn the ignition key to off. 1. Raise the height-of-cut lever to the transport position (also the 5 inch (127 mm) cutting height position) (Figure 18). 2. To adjust, remove the clevis pin from the height-of-cut bracket (Figure 18).
Adjusting the Anti-Scalp Rollers Whenever you change the height-of-cut, it is recommended to adjust the height of the anti-scalp rollers. 1. Disengage the PTO, move the motion control levers to the neutral locked position and set the parking brake. 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. Figure 21 3.
5. Swing the lever back over to tighten the baffle and cam locks (Figure 23). 6. If the cams do not lock the baffle into place or it is too tight, loosen the lever and then rotate the cam lock. Adjust the cam lock until the desired locking pressure is achieved. Figure 24 Position B Use this position when bagging. Figure 23 1. Cam lock 3. 2. Lever 4. Rotate cam to increase or decrease locking pressure Slot Positioning the Flow Bafe The following figures are only recommendations for use.
Figure 26 Positioning the Seat Figure 27 1. Seat suspension knob Changing the Seat Position 2. Seat position adjustment lever The seat can move forward and backward. Position the seat where you have the best control of the machine and are most comfortable. 2. Slide the seat to the desired position and release lever to lock in position. 1. To adjust, move the lever sideways to unlock seat (Figure 27). Changing the Seat Suspension The seat can be adjusted to provide a smooth and comfortable ride.
Pushing the Machine by Hand Important: Always push the machine by hand. Never tow the machine because hydraulic damage may occur. Pushing the Machine 1. Disengage the power take off (PTO) and turn the ignition key to off. Move the levers to neutral locked position and apply parking brake. Remove the key. 2. Rotate the by-pass valves counterclockwise 1 turn to push. This allows hydraulic fluid to by-pass the pump enabling the wheels to turn (Figure 30).
Using the Side Discharge The mower has a hinged grass deflector that disperses clippings to the side and down toward the turf. Driving on the street or roadway without turn signals, lights, reflective markings, or a slow moving vehicle emblem is dangerous and can lead to accidents causing personal injury. Without the grass deflector, discharge cover, or complete grass catcher assembly mounted in place, you and others are exposed to blade contact and thrown debris.
Using the Z Stand® The Z Stand raises the front end of the machine to allow you to clean the mower and remove the blades. Loading a unit onto a trailer or truck increases the possibility of backward tip-over and could cause serious injury or death. • Use extreme caution when operating a unit on a ramp. The machine could fall onto someone and cause serious injury or death. • Use only a single, full width ramp; Do Not use individual ramps for each side of the unit.
Figure 33 1. Z Stand (Positioned in slot) 3. 2. Crack in side walk or turf Latch resting on pivot tab Figure 34 1. Z Stand 2. Latch 4. Set the foot of stand on the ground and rest the latch on the pivot tab (Figure 33). 5. Start the engine and put it at half throttle. 3. 4. Locked position Unlocked position 3. Start the engine and place it at half throttle. Disengage the parking brake. Note: For best results, place the foot of stand into seams in sidewalks or into the turf (Figure 33). 4.
Mowing Direction tearing or shredding the grass blades. Tearing and shredding turns grass brown at the edges, which slows growth and increases the chance of disease. Check the cutter blades daily for sharpness, and for any wear or damage. File down any nicks and sharpen the blades as necessary. If a blade is damaged or worn, replace it immediately with a genuine TORO replacement blade. Alternate mowing direction to keep the grass standing straight.
Maintenance Recommended Maintenance Schedule(s) Maintenance Service Interval Maintenance Procedure After the rst 8 operating hours • Check cooling system level. • Check the hydraulic uid. After the rst 25 operating hours • Change the hydraulic lter and oil. After the rst 50 operating hours • Change the engine oil. • Change the engine oil lter. Before each use or daily • • • • • • Test the safety system. Check the engine oil. Check cooling system level. Clean the cooling system.
If you leave the key in the ignition switch, someone could accidently start the engine and seriously injure you or other bystanders. Remove the key from the ignition and disconnect the wire from the spark plug(s) before you do any maintenance. Set the wire aside so that it does not accidentally contact the spark plug. Lubrication Where to Add Grease Greasing and Lubrication Lubricate the grease fittings as shown on the Check Service Reference Aid decal (Figure 35).
Grease the Idler Arms 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 1. Grease the cooling fan belt idler arm (Figure 37). 3. Remove the screws and belt covers. 2. Grease the drive belt idler arms (Figure 37). 4. Grease the three spindle bearings under the pulleys until grease comes out the lower seals (Figure 36). 5. Grease the idler arm on the mower deck (Figure 36). 6. Grease the fittings on the push arms (Figure 36). Figure 37 1.
Removing the Filters 1. Disengage the PTO, move the motion control levers to the neutral locked position and set the parking brake. 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3. Tilt the seat forward and remove the front engine panel (Figure 39). Figure 40 1. 2. 3. Latches Air cleaner cover Air lter body 4. 5. Primary lter Safety lter Servicing the Primary Filter 1. Do not clean the paper filter.
Important: Do not press on the soft inside area of the filter. 4. Install the air cleaner cover with the side indicated as UP facing up and secure the latches (Figure 40). 5. Install the front engine panel. Important: Do not overfill the crankcase with oil because this may cause engine damage. Do not run the engine with oil below the low mark because the engine may be damaged as a result. Servicing the Engine Oil Change oil after the first 50 operating hours and then every 150 operating hours thereafter.
Note: Dispose of the used oil at a recycling center. Important: Add the oil very slowly and do not block the opening of the filler hole (Figure 45). If you add oil too fast or block the hole, the oil could back up and foul the air intakes, causing engine damage. Adding Engine Oil 1. Tilt the seat forward and remove the front engine panel (Figure 43). Figure 45 1. Figure 43 1. Front engine panel 2. Note the clearance left in the ller opening. 5. Replace the dipstick and install the front engine panel.
3. Before installing the filter, lightly oil the gasket on the filter with fresh, clean oil. Screw the filter on by hand until the gasket contacts the oil filter adapter. Tighten 1/2 to 3/4 turn more. 3. Disconnect the negative battery cable; Refer to Removing the Battery. 4. Allow the machine to cool down. 5. Place a drain pan under the fuel filter and loosen the drain plug 1 turn. 4. Add oil; refer to Adding Engine Oil. 6. Let the water drain.
Electrical System Maintenance Servicing the Battery Warning CALIFORNIA Proposition 65 Warning Battery posts, terminals, and related accessories contain lead and lead compounds, chemicals known to the State of California to cause cancer and reproductive harm. Wash hands after handling. Figure 48 1. Fuel lter 2. Sensor wire 3. Drain plug 4. 5. O-ring Metal primer button Priming the Fuel System Battery electrolyte contains sulfuric acid which is a deadly poison and causes severe burns.
Installing the Battery 1. Position battery in the tray with the terminal posts opposite from the hydraulic tank (Figure 50). Incorrect battery cable routing could damage the machine and cables causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury. 2. First, install the positive (red) battery cable to positive (+) battery terminal. • Always Disconnect the negative (black) battery cable before disconnecting the positive (red) cable. 3.
Drive System Maintenance Adjusting the Tracking The machine has a knob for adjusting the tracking located under the seat. Important: Adjust the handle neutral and hydraulic pump neutral before adjusting the tracking. Refer to Adjusting the Handle Neutral in Controls System Maintenance, page 50 and Adjusting the Hydraulic Pump Neutral in Hydraulic System Maintenance, page 51. 1. Push both control levers forward the same distance. 2. Check if the machine pulls to one side.
Checking the Tire Pressure 7. Torque the slotted nut to 125 ft-lb. (170 N•m) (Figure 55). Check the pressure at the valve stem after every 50 operating hours or monthly, whichever occurs first (Figure 54). 8. Tighten the nut until the next set of slots line up with the hole in the shaft (Figure 55). 9. Replace the cotter pin. Maintain the air pressure in the rear tires at 13 psi (90 kPa). Uneven tire pressure can cause uneven cut.
Rotating shaft and fan can cause personal injury. • Do not operate the machine without the covers in place. • Keep fingers, hands and clothing clear of rotating fan and drive shaft. • Shut off the engine and remove the ignition key before performing maintenance. Swallowing engine coolant can cause poisoning. Figure 56 1. Spring Washers 2. Lock Nut 3. • Do not swallow engine coolant. Dust Cap • Keep out of reach from children and pets.
Contact an Authorized Service Dealer for changing the coolant. Brake Maintenance Adjusting the Parking Brake 1. Disengage the brake lever (lever down). 2. Measure the length of the spring. The measurement should be 2-3/4 inch (70 mm) between the washers (Figure 58). 3. If an adjustment is necessary, loosen the jam nut below the spring and tighten the nut directly below the yoke (Figure 58). Turn the nut until the correct measurement is obtained.
4. Pull on the spring loaded idler arm to loosen the belt tension. 5. Remove the mower belt from the mower pulleys and the top pulley of the three stacked pulleys (Figure 59 and Figure 60). 6. Install the new belt around the mower pulleys and the top pulley of the three stacked pulleys (Figure 59 and Figure 60). 7. Pull on the spring loaded idler arm to loosen the belt tension and align the mower belt onto the idler pulley (Figure 60). 8. Install the belt covers with the tabs in the slots.
Replacing the Drive Belts Squealing when the belt is rotating, blades slipping when cutting grass, frayed belt edges, burn marks and cracks are signs of a worn mower belt. Replace the mower belt if any of these conditions are evident. Note: Remove the top drive belt first if the bottom drive belt needs to be replaced. 1. Disengage the PTO, move the motion control levers to the neutral locked position and set the parking brake. 2.
7. Check to make sure the coils of the spring on the spring-loaded idler pulley have the correct measurement (Figure 63). 2. Pull the spring loaded idler down and remove the traction belt from the engine and hydro pump pulleys (Figure 65). Remove the belt between the pulleys. 8. Repeat as necessary on the opposite side of the machine. 3. Install the new belt around the engine and hydro pump pulleys (Figure 65). 4. Pull the spring loaded idler down and align it below the traction belt.
Figure 66 1. Front engine panel 2. Knob Figure 67 4. Remove the pump drive belt. Refer to Removing the Pump Drive Belt. 1. Alternator 4. 2. Alternator belt 3. Handle 5. 6. Deection, 3/8 to 1/2 inch (10 to 13 mm) Top bolt Bottom bolt 5. Loosen the two bolts holding the alternator (Figure 67). Controls System Maintenance 6. Remove the belt from the pulleys and alternator (Figure 67). 7. Install a new belt around the pulleys and the alternator (Figure 67).
7. Check where the control lever is relative to notch in console (Figure 68). It should be centered allowing lever to pivot outward to the neutral lock position. Figure 69 1. 2. 3. 4. 5. 6. Figure 68 1. Neutral locked position 2. Control lever 3. Neutral position 8. If adjustment is needed, loosen the nut and jam nut against the yoke (Figure 69). Clevis pin in slot Nut against yoke Adjustment bolt Pump rod Double nuts Jam Nut 7. 8. 9. 10. 11. 12.
2. Clean the area around filler neck of hydraulic tank (Figure 70). Hydraulic fluid escaping under pressure can penetrate skin and cause injury. 3. Remove the cap from the filler neck. Look inside to check if there is fluid in the reservoir (Figure 70). • If hydraulic fluid is injected into the skin it must be surgically removed within a few hours by a doctor familiar with this type of injury. Gangrene may result if this is not done. 4.
Replacing the Cooling Fan Hydraulic Filter Replace the cooling fan hydraulic filter: • After every 500 operating hours. • After any part of the hydraulic cooling fan system is repaired or replaced. 1. Place drain pan under filter, remove the hydraulic hose from the filter (Figure 73). Figure 71 1. Hydraulic lter 2. Remove the cooling fan hydraulic filter from the T-fitting on the bottom of the filter (Figure 73). 4. Apply a thin coat to the rubber gasket on the replacement filter (Figure 72). 5.
Checking the Hydraulic Hoses After every 100 operating hours, check the hydraulic hoses for leaks, loose fittings, kinked lines, loose mounting supports, wear, weather and chemical deterioration. Make necessary repairs before operating. Mechanical or hydraulic jacks may fail to support machine and cause a serious injury. • Use jack stand when supporting machine. Note: Keep areas around the hydraulic system clean from grass and debris build up. • Do not use hydraulic jacks.
Figure 74 1. Tracking knob 2. Hydraulic tank 3. Hydraulic pumps 4. 5. Turn this way to track right Turn this way to track left Figure 75 1. 2. 3. 3. Move the motion control lever forward and reverse, then back to neutral. The wheel must stop turning or slightly creep in reverse. 4. Open the throttle to fast. Make sure wheel remains stopped or slightly creeps in reverse, adjust if necessary. Double nuts Pump rod Adjustment bolt 4. 5. 6.
Setting Up the Machine 1. Position the mower on a flat surface. 2. Disengage the PTO, move the motion control levers to the neutral locked position and set the parking brake. 3. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 4. Check tire pressure of all four tires. If needed, adjust to 13 psi (90 kPa) 5. Lower the mower to the 3 inch (76 mm) height-of-cut position. Figure 76 1. Measure here from blade to hard surface 6.
Adjusting the Front-to-Rear Mower Pitch 9. Tighten both swivel jam nuts against the front swivel to lock the height. 10. Check to make sure there is equal tension on the chains and adjust again if needed. 1. Position the right blade front-to-rear (Figure 78). 2. Measure the right blade at the A location, from a level surface to the cutting edge of the blade tip (Figure 78). Adjusting the Compression Spring 1. Raise the mower lift lever to the transport position. 2.
Checking for Bent Blades damaged or worn, replace it immediately with a genuine Toro replacement blade. For convenient sharpening and replacement, you may want to keep extra blades on hand. 1. Disengage the PTO, move the motion control levers to the neutral locked position and set the parking brake. 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position.
A blade that is bent or damaged could break apart and could seriously injure or kill you or bystanders. • Always replace bent or damaged blade with a new blade. Figure 82 1. • Never file or create sharp notches in the edges or surfaces of blade. Sharpen at original angle 2. Check the balance of the blade by putting it on a blade balancer (Figure 83). If the blade stays in a horizontal position, the blade is balanced and can be used.
Figure 84 1. Sail Area of Blade 2. Blade 3. Spring Disk 4. 5. Blade Bolt Cone Towards Bolt Head Figure 85 Replacing the Grass Deector 1. Bolt 2. Spacer 3. Locknut 5. 6. 7. 4. Spring 8. Spring installed Grass Deector L end of spring, place behind deck edge before installing bolt J hook end of spring Cleaning An uncovered discharge opening could allow the lawn mower to throw objects in the operator’s or bystander’s direction and result in serious injury. Also, contact with the blade could occur.
The machine could fall onto someone and cause serious injury or death. • Use extreme caution when operating the machine on the Z Stand®. • Use only for cleaning the mower and removing the blades. • Do not keep the machine on the Z Stand® for extended periods of time. • Always turn the engine off, set the parking brake, and remove the key before performing any maintenance to the mower. Waste Disposal Engine oil, batteries, hydraulic oil, and engine coolant are pollutants to the environment.
Storage A. 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). Cleaning and Storage 1. Disengage the power take off (PTO), set the parking brake, and turn the ignition key to Off. Remove the key. 2. Remove grass clippings, dirt, and grime from the external parts of the entire machine, especially the engine and hydraulic system.
Troubleshooting Problem Starter does not crank Possible Cause 1. Blade control (PTO) is engaged. 2. Parking brake is not on. 3. Operator is not seated. 4. Battery is dead. 5. Electrical connections are corroded or loose. 6. Fuse is blown. 7. Relay or switch is defective. Engine will not start, starts hard, or fails to keep running. 1. Fuel tank is empty. 2. Air cleaner is dirty. 3. Dirt in the fuel lter. 4. Dirt, water, or stale fuel is in the fuel system. Engine loses power. 1.
Problem Machine does not drive. Abnormal vibration. Possible Cause 1. By pass valve is not closed tight. 2. Drive or pump belt is worn, loose or broken. 3. Drive or pump belt is off a pulley. 4. Broken or missing idler spring. 5. Hydraulic uid level is low or too hot. 1. Tighten the by pass valve. 2. Change the belt. 1. Cutting blade(s) is/are bent or unbalanced. 2. Blade mounting bolt is loose. 3. Engine mounting bolts are loose. 4. Loose engine pulley, idler pulley, or blade pulley. 5.
Problem Blades do not rotate. Possible Cause 1. Drive belt is worn, loose or broken. 2. Drive belt is off pulley. 3. Deck belt is worn, loose or broken. 4. Deck belt is off pulley. 5. Broken or missing idler spring. 65 Corrective Action 1. Check the belt tension. 2. Install the drive belt and check adjusting shafts and belt guides for correct position. 3. Install a new deck belt. 4. Install the deck pulley and check the idler pulley, idler arm and spring for correct position and function. 5.
Schematics Wire Diagram (Rev.