Form No. 3354-542 Rev B Z587L Z Master® with 60in or 72in TURBO FORCE® Side Discharge Mower Model No. 74251—Serial No. 260000001 and Up Model No. 74252—Serial No. 260000001 and Up Register your product at www.Toro.
Warning the model and serial numbers of your product ready. Figure 1 identifies the location of the model and serial numbers on the product. Write the numbers in the space provided. CALIFORNIA Proposition 65 Warning The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Controls ........................................... 14 Operation.......................................................... 15 Adding Fuel ...................................... 15 Checking the Engine Oil Level ........... 16 Using the Rollover Protection System (ROPS).................. 16 Think Safety First .............................. 17 Operating the Parking Brake .............. 18 Starting and Stopping the Engine .............................. 19 Operating in Cool Weather.................
Safety hair, loose clothing or jewelry may get tangled in moving parts. • Inspect the area where the equipment is to be used and remove all objects such as rocks, toys and wire which can be thrown by the machine. • Use extra care when handling gasoline and other fuels. They are flammable and vapors are explosive. – Use only an approved container – Never refuel or drain the machine indoors. – Never remove gas cap or add fuel with engine running. Allow engine to cool before refueling. Do not smoke.
• Never carry passengers and keep pets and bystanders away. • Be alert, slow down and use caution when making turns. Look behind and to the side before changing directions. • Slow down and use caution when crossing roads and sidewalks. Stop blades if not mowing. • Be aware of the mower discharge direction and do not point it at anyone. • Do not operate the mower under the influence of alcohol or drugs. • Use extreme care when loading or unloading the machine into a trailer or truck.
• Carefully release pressure from components with stored energy. • Disconnect battery or remove spark plug wire before making any repairs. Disconnect the negative terminal first and the positive last. Reconnect positive first and negative last. • Use care when checking blades. Wrap the blade(s) or wear gloves, and use caution when servicing them. Only replace blades. Never straighten or weld them. • Keep hands and feet away from moving parts. If possible, do not make adjustments with the engine running.
Slope Chart 7
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. 98-5954 1-633462 1-403005 1-643339 1-523552 54-9220 98-4387 1. Warning—wear hearing protection.
103-2750 Battery Symbols Some or all of these symbols are on your battery 58-6520 1. Explosion hazard 2. No re, open ame, or smoking. 3. Caustic liquid/chemical burn hazard Wear eye protection 4. 1. Grease 5. Read the Operator’s Manual. 6. Keep bystanders a safe distance from the battery. 7. Wear eye protection; explosive gases can cause blindness and other injuries 8. Battery acid can cause blindness or severe burns. 9. Flush eyes immediately with water and get medical help fast. 10.
5-7798 107-1864 107-2102 107-1621 107-1622 10
107-2112 107-1860 107-1857 107-2114 107-1861 11
110-5722 107-8076 1. Fast 2. Slow 3. Neutral 106-9989 12 4.
106-7492 13
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). Unlatch the seat and lift it forward to view the hour meter. Temperature Gauge The temperature gauge register the temperature of the coolant in the cooling system. Volt Meter The volt meter registers the output of the charging system. Figure 3 1. 2. 3. 4. 5. 6.
Operation In certain conditions during fueling, static electricity can be released causing a spark which can ignite the gasoline vapors. A fire or explosion from gasoline 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 • Always place gasoline containers on the ground away from your vehicle before filling. Use Unleaded Regular Gasoline suitable for automotive use (85 pump octane minimum).
• Cleans the engine while it runs • Eliminates gum-like varnish buildup in the fuel system, which causes hard starting There is no rollover protection when the roll bar is in the down position. Important: Do not use fuel additives containing methanol or ethanol. • Lower the roll bar only when absolutely necessary. Add the correct amount of gas stabilizer/conditioner to the gas. • Do not wear the seat belt when the roll bar is in the down position.
Figure 6 1. Full down position 2. Down position with bagger installed 4. Install the two pins and secure them with the hairpin cotter pins (Figure 7). Figure 7 Important: Ensure that the rear part of the seat is secured with the seat latch. 1. 2. 5. To raise the roll bar, remove the hairpin cotter pins and remove the two pins (Figure 7). Roll bar Raised position 3. 4. Pin Hairpin cotter pin Important: Tighten the front knobs against the center roll bar ends (Figure 5). 6.
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.
Note: A warm or hot engine may not require choking. After engine starts, move choke control to Run position. Figure 10 1. Parking brake-ON 2. Parking brake-OFF 3. Brake Stop Figure 12 1. Starting and Stopping the Engine Choke—on 2. Choke—off 5. Move the throttle control to the Fast position before starting a cold engine (Figure 13). Starting the Engine 1. Sit on the seat and move the motion controls to neutral locked position. 2. Set the parking brake; refer to Setting the Parking Brake. 3.
Operating in Cool Weather The engine on this machine may take 5 to 15 minutes to reach full operating temperature in cool weather conditions. Operating the Power Take Off (PTO) Figure 14 1. Off 2. Run 3. Start The power take off (PTO) switch starts and stops the mower blades and any powered attachments. Engaging the PTO 7. After the engine starts, move the choke to off (Figure 12).
The Safety Interlock System 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.
The farther you move the traction control levers in either direction, the faster the machine will move in that direction. Children or bystanders may be injured if they move or attempt to operate the tractor while it is unattended. To stop, pull the motion control levers to the neutral position. Always remove the ignition key and set the parking brake when leaving the machine unattended, even if just for a few minutes.
Figure 18 1. Lift Assist Lever Figure 19 Adjusting the Anti-Scalp Rollers 1. 2. 3. Anti-scalp roller Spacer Bushing 4. 5. Flange Nut Bolt 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. 3.
Adjusting the Flow Bafe • Use in dry conditions. • For smaller grass clippings. • Propels grass clippings farther away from the mower. The mower discharge flow can be adjusted for different types of mowing conditions. Position the cam locks and baffle to give the best quality of cut. 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.
Figure 25 Positioning the Seat Figure 26 1. Changing the Seat Position Seat suspension knob 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 26). 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 29).
Using the Side Discharge Important: Do not use the motion control levers as anchors for tieing the machine down. The mower has a hinged grass deflector that disperses clippings to the side and down toward the turf. • Secure a trailer to the towing vehicle with safety chains. 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 32 1. Z Stand (Positioned in slot) 3. 2. Crack in side walk or turf Latch resting on pivot tab Figure 33 1. 2. 4. Set the foot of stand on the ground and rest the latch on the pivot tab (Figure 32). 5. Start the engine and put it at half throttle. Z Stand Latch 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 32). 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 • Change the engine oil. • Check the hydraulic uid. After the rst 25 operating hours Before each use or daily • Change the hydraulic lter and oil. • • • • • • Check the safety system. Check the engine oil level. Check cooling system level. Clean the radiator screen. Check the mower blades. Clean under the mower. Every 25 hours • Grease the mower deck and spindles.
Lubrication Greasing and Lubrication Lubricate the machine when shown on the Check Service Reference Aid decal (Figure 34). Grease more frequently when operating conditions are extremely dusty or sandy. Grease Type: General-purpose grease. How to Grease 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.
3. Remove the belt covers. 4. Grease the three spindle bearings under the pulleys until grease comes out the lower seals (Figure 35). 5. Grease the fittings on the push arms (Figure 35). damage. Release the latches on the air cleaner and pull the air cleaner cover off of the air cleaner body (Figure 36). Figure 36 1. 2. Latches Air cleaner cover 3. Air lter 5. Clean the inside of the air cleaner cover with compressed air. Figure 35 6.
Important: Do not press on the soft inside area of the filter. Checking the Oil Level Note: Check the oil when the engine is cold. 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. Clean around the oil dipstick (Figure 38) so dirt cannot fall into the filler hole and damage the engine. 4.
4. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 5. Place a pan below the oil drain and install a hose onto the valve. 6. Rotate the oil drain valve to allow the oil to drain (Figure 39). 2. Remove the old filter and wipe the filter adapter gasket surface (Figure 40). Figure 40 1. 2. Oil lter Gasket 3. Adapter 3. Pour new oil of the proper type in through the center hole. Stop pouring when the oil reaches the bottom of the threads.
3. Pull the wire(s) off the spark plug(s) (Figure 41). Figure 42 1. Canter electrode insulator 2. Side electrode 2. Air gap (not to scale) Installing the Spark Plug 1. Install the spark plug(s). Make sure the air gap is set correctly. 2. Tighten the spark plug(s) to 17 ft-lb (23 N⋅m). 3. Push the wire(s) onto the spark plug(s) (Figure 41). Figure 41 1. Spark plug wire 3. Spark plug 4. Clean around the spark plug(s) to prevent dirt from falling into the engine and potentially causing damage.
5. Squeeze the ends of the hose clamps together and slide them away from the filter (Figure 43). 6. Open the fuel shutoff valve and allow the gasoline to drain into a fuel container can or drain pan. 6. Remove the filter from the fuel lines. Note: Now is the best time to install a new fuel filter because the fuel tank is empty. 7. Install the fuel line onto the fuel filter. Slide the hose clamp close to the fuel filter to secure the fuel line (Figure 43). 7.
6. Remove both wing nuts (1/4 inch) securing the battery clamp (Figure 44). Incorrect battery cable routing could damage the machine and cables causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury. 7. Remove the battery. Installing the Battery 1. Position battery in the tray with the terminal posts toward the engine (Figure 44). • Always Disconnect the negative (black) battery cable before disconnecting the positive (red) cable. 2.
2. To replace the fuses, pull out on the fuse to remove it. 3. Install a new fuse (Figure 46). Figure 45 4. Install the battery in the machine and connect the battery cables; refer to Installing the Battery. Note: Do not run the machine with the battery disconnected, electrical damage may occur. Servicing the Fuses The electrical system is protected by fuses. It requires no maintenance, however, if a fuse blows check component/circuit for malfunction or short.
Drive System Maintenance Checking the Tire Pressure Check the pressure at the valve stem after every 50 operating hours or monthly, whichever occurs first (Figure 48). Adjusting the Tracking Maintain the air pressure in the front and rear tires at 13 psi (90 kPa). Uneven tire pressure can cause uneven cut. Check the tires when they are cold to get the most accurate pressure reading. Note: Determine the left and right sides of the machine from the normal operating position.
Figure 49 1. Slotted Nut 2. Two threads or less showing 3. 4. Hole in threaded shaft Washer (if needed) 5. Check the distance from bottom of slot in nut to inside edge of hole. Two threads or less should be showing (Figure 49). 6. If more than two threads are showing remove nut and install washer between hub and nut. Figure 50 1. 2. 7. Torque the slotted nut to 125 ft-lb (170 N⋅m) (Figure 49). 8. Tighten the nut until the next set of slots line up with the hole in the shaft (Figure 49).
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. • Do not swallow engine coolant. • Keep out of reach from children and pets. Figure 51 1. Antifreeze overow bottle Checking the Radiator Coolant 2.
7. Remove debris from the radiator core and engine. Do not damage the radiator cooling fins. 8. Inspect the seals on the engine cover and replace them if needed. 9. Close the engine cover and tilt the seat back. 5. Engage parking brake, lever up. 6. Measure the distance between the trunnion roller and the collar on brake rod. The measurement should be 3/16-1/4 inch (5-7 mm) (Figure 52). 7. If adjustment is necessary, loosen the jam nut directly below the yoke.
Adjusting the Mower Belt Tension 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. Raise the mower to the transport position. Important: Check the amount of twist in the belt between the pulleys. Make sure it is only what is specified in Figure 53.
Figure 56 1. Mower idler plate 2. Square hole 3. 4. Ratchet or breaker bar Idler plate bolt Figure 57 1. 2. 3. 6. Insert a ratchet or breaker bar into the square hole in the mower idler plate to adjust the tension (Figure 56). Spring loaded idler pulley Top alignment hole 0 to 1/4 inch gap (0 to 6 mm) 4. 5. 6. Idler pulley arm Belt Rubber bumper 10. Adjust the belt tension and the idler plate, if necessary, and tighten all hardware securely (Figure 56). 11.
pulleys (Figure 59). Remove belt between pulleys. Figure 59 Figure 60 1. Neutral locked position 2. Control lever 2. Install new belt around engine and hydro pump pulleys (Figure 59). 3. Neutral position 3. Pull spring loaded idler down and align below traction belt. Release the pressure on the spring loaded idler (Figure 59). 6. Pull the lever back until the clevis pin (on arm below pivot shaft) contacts the end of the slot (just beginning to put pressure on the spring) (Figure 60).
2. Clean the area around filler neck of hydraulic tank (Figure 62). Figure 62 1. 2. Clevis pin in slot Nut against yoke Adjustment bolt Pump rod Double nuts Jam nut 7. 8. 9. 10. 11. 3. 4. Cold uid level-full Hot uid level-full 3. Remove the cap from the filler neck. Look inside to check if there is fluid in the reservoir (Figure 62). Figure 61 1. 2. 3. 4. 5. 6. Cap Bafe Spring Pivot shaft Yoke Locknut Ball joint 4.
Hydraulic fluid escaping under pressure can penetrate skin and cause injury. • 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. Figure 63 1. Hydraulic lter • Keep body and hands away from pin hole leaks or nozzles that eject high pressure hydraulic fluid. 4. Apply a thin coat hydro fluid to the rubber gasket on the replacement filter (Figure 64).
Bleeding the Hydraulic System Hydraulic fluid escaping under pressure can penetrate skin and cause injury. The traction system is self bleeding, however, it may be necessary to bleed the system if fluid is changed or after work is performed on the system. • 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. 1.
This adjustment must be made with drive wheels turning. 3. Move the motion control lever forward and reverse, then back to neutral. The wheel must stop turning or slightly creep in reverse. 1. Raise the frame and use jack stands to hold up the machine so drive wheels can rotate freely. 4. Open the throttle to fast. Make sure wheel remains stopped or slightly creeps in reverse, adjust if necessary. 2. Unlatch the seat, tilt the seat forward and disconnect electrical connector from the seat safety switch.
4. Move the motion control lever forward and reverse, then back to neutral. The wheel must stop turning or slightly creep in reverse. 5. Open the throttle to fast. Make sure the wheel remains stopped or slightly creeps in reverse, adjust if necessary. 6. Tighten the locknuts at the ball joints (Figure 66). 5. Lower the mower to the 3 inch (76 mm) height-of-cut position. 6. Inspect the four chains. The chains need to have tension.
a measurement of 3-1/8 to 3-1/4 inches (Figure 68). Note: It is recommended that both sides of the mower are adjusted the same distance. 9. Tighten the jam nut under the rear support arm and tighten the bolt securing the chain to the rear support arm. 10. Adjust the opposite side if needed. Figure 69 1. Measure here from blade to hard surface Rear chain Rear support arm Bolt Jam Nut 5. 6. 7. Measure at A and B 3. Record this measurement. 4.
for 60 inch mower decks or 11–1/2 inches (29.2 cm) for 72 inch mower decks (Figure 70). A worn or damaged blade can break, and a piece of the blade could be thrown into the operator’s or bystander’s area, resulting in serious personal injury or death. 3. Adjust this distance, by loosening the spring jam nut and turning the nut in front of each spring (Figure 70). Turning the nut clockwise will shorten the spring; counter-clockwise will lengthen the spring.
Removing the Blades 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. Blades must be replaced if a solid object is hit, if the blade is out of balance or is bent. To ensure optimum performance and continued safety conformance of the machine, use genuine Toro replacement blades. Replacement blades made by other manufacturers may result in non-conformance with safety standards. 3.
Replacing the Grass Deector (Figure 75). Repeat this procedure until the blade is balanced. 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. Figure 74 1. Blade 2. Balancer • Never operate the lawn mower unless you install a cover plate, a mulch plate, or a grass chute and catcher. Installing the Blades 1. Install the blade onto the spindle shaft (Figure 75).
Unit could fall onto someone and cause serious injury or death. • Use extreme caution when operating unit on Z Stand. • Use only for cleaning mower and removing blades. • Do not keep unit on Z Stand for extended periods of time. • Always shut engine off and set parking brake before performing any maintenance to mower. Figure 76 1. Bolt 2. Spacer 3. Locknut 5. 6. 7. 4. Spring 8.
Storage Note: A fuel stabilizer/conditioner is most effective when mixed with fresh gasoline and used at all times. 1. Disengage the power take off (PTO), set the parking brake and turn the ignition key to off. Remove spark plug wire. Remove the key. B. Run engine to distribute conditioned fuel through the fuel system (5 minutes). Important: Do not store stabilizer/conditioned gasoline over 90 days. 2.
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. Spark plug wire is loose or disconnected 4. Spark plug(s) is pitted, fouled, or the gap is incorrect. 5.
Problem Engine overheats. Possible Cause Corrective Action 1. More coolant is needed. 2. Air intake screens are dirty. 3. Restricted airow into the engine. 1. Check and add coolant. 2. Clean with every use. 4. Radiator ns are dirty. 5. The engine oil level is incorrect. 6. Fuel mixture is lean. 7. Engine load is excessive. 3. Inspect and clean the radiator screen with every use. 4. Clean the radiator ns. 5. Fill or drain to the full mark. 6. Contact your Authorized Service Dealer. 7.
Problem Uneven cutting height. Possible Cause 1. Blade(s) not sharp. 2. Cutting blade(s) is/are bent. 3. Mower is not level. 4. Underside of mower is dirty. 5. Tire pressure is not correct. 6. Blade spindle bent. Blades do not rotate. 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. 60 Corrective Action 1. Sharpen the blade(s). 2. Install new cutting blade(s). 3.
Schematics Wiring Diagram (Rev.
Evaporative Emission Control Warranty Statement California Evaporative Emission Control Warranty Statement Your Warranty Rights and Obligations Introduction The California Air Resources Board and The Toro® Company are pleased to explain the evaporative emission control system’s warranty on your 2006 model year equipment. In California, new equipment that use small off-road engines must be designed, built, and equipped to meet the State’s stringent anti-smog standards.
LCE The Toro Total Coverage Guarantee A Limited Warranty Conditions and Products Covered Items and Conditions Not Covered The Toro® Company and its afliate, Toro Warranty Company, pursuant to an agreement between them, jointly promise to repair the listed Toro Products if defective in materials or workmanship.