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Form No. 3359-415 Rev A Z500 Z Master ® , With 52in or 60in 7-Gauge Side Discharge Mower Model No. 74291—Serial No. 280000001 and Up Model No. 74292—Serial No. 280000001 and Up Register at www.Toro.com. Original Instructions (EN)
Whenever you need service, genuine Toro parts, or worthy of special attention. additional information, contact an Authorized Service Dealer or Toro Customer Service and have the model and serial numbers of your product ready. Figure 1 Contents identifies the location of the model and serial numbers on the product.
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Using the Rollover Protection System Hydraulic System Maintenance ....... 39 (ROPS) ............13 Checking the Hydraulic Fluid......39 Think Safety First ..........14 Replacing the Hydraulic Filter and Oil ....40 Operating the Parking Brake ....... 15 Bleeding the Hydraulic System......41 Starting and Stopping the Engine ......
Safety • Use extra care when handling gasoline and other fuels. They are flammable and vapors are explosive. Improper use or maintenance by the operator or owner – Use only an approved container can result in injury. To reduce the potential for injury, –...
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• Be certain that the seat belt can be released quickly decals. in the event of an emergency. • Be aware there is no rollover protection when the • Use only Toro approved attachments. Warranty may roll bar is down. be voided if used with unapproved attachments.
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. 1-403005 54-9220 1-523552 58-6520 1. Grease 1-633462 66-1340 1-643339 68-8340...
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Battery Symbols Some or all of these symbols are on your battery 1. Explosion hazard 6. Keep bystanders a safe distance from the battery. 2. No fire, open flame, or 7. Wear eye protection; smoking. explosive gases can cause blindness and other injuries 3.
106-9989 107-8076 1. Fast 2. Slow 3. Neutral 4. Reverse Product Overview Controls Become familiar with all the controls before you start the engine and operate the machine (Figure 3 and Figure 4). Figure 4 Figure 3 1. Gas cap 4.
1/2 inch (6 to 13 mm) below the bottom of Authorized Service Dealer or Distributor or go to the filler neck. This empty space in the tank www.Toro.com for a list of all approved attachments allows gasoline to expand. and accessories.
Important: Do not use fuel additives containing methanol or ethanol. In certain conditions during fueling, static Add the correct amount of gas stabilizer/conditioner electricity can be released causing a spark to the gas. which can ignite the gasoline vapors. A fire Note: A fuel stabilizer/conditioner is most effective or explosion from gasoline can burn you and when mixed with fresh gasoline.
Important: Always use the seat belt with the roll bar in the raised position. There is no rollover protection when the roll bar is in the down position. • Lower the roll bar only when absolutely necessary. • Do not wear the seat belt when the roll bar is in the down position.
Operating on wet grass or steep slopes can This machine produces sound levels in excess cause sliding and loss of control. of 85 dBA at the operators ear and can cause hearing loss through extended periods of Wheels dropping over edges can cause rollovers, exposure.
Figure 11 Figure 9 1. Choke—on 2. Choke—off 1. Parking brake-ON 3. Brake Stop 2. Parking brake-OFF 5. Move the throttle control to the Fast position before starting a cold engine (Figure 12). Starting and Stopping the Engine Starting the Engine 1.
Engaging the PTO 1. If the engine is cold, allow the engine to warm up 5 to 10 minutes before engaging the PTO. 2. While seated in the seat, release the pressure on the traction control levers and place in neutral. 3.
• You are sitting on the seat. • The parking brake is engaged. Machine can spin very rapidly. Operator may • The power take off (PTO) is disengaged. lose control of machine and cause personal injury or damage to machine. •...
Children or bystanders may be injured if they move or attempt to operate the tractor while it is unattended. Always remove the ignition key and set the parking brake when leaving the machine unattended, even if just for a few minutes. Adjusting the Control Lever Resistance The top damper mounting bolt can be adjusted to...
Figure 17 1. Height of cut lever 2. Clevis Pin Figure 18 2. To adjust, remove the clevis pin from the height-of-cut bracket (Figure 17). 1. Outer roller 4. Bolt 2. Spacer 5. Nut 3. Select a hole in the height-of-cut bracket 3.
Figure 20 Figure 19 1. Adjustment lever 1. Outer roller 4. Bolt 2. Spacer 5. Nut 3. Bushing Unlatching the Seat 4. Select a hole so that the center rollers are positioned Push the seat latch rearward to unlatch the seat. to the nearest corresponding height-of-cut desired This will allow access to the machine under the seat (Figure 19).
Important: Do not rotate by-pass valves more than 1 turn. This prevents valves from coming out of the body and causing fluid to run out. 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.
Driving on the street or roadway without turn Loading a unit onto a trailer or truck increases signals, lights, reflective markings, or a slow the possibility of backward tip-over and could moving vehicle emblem is dangerous and can cause serious injury or death. lead to accidents causing personal injury.
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If a blade is damaged or worn, replace it immediately with Mow at Correct Intervals a genuine TORO replacement blade. Normally, mow every four days. But remember, grass grows at different rates at different times. So to maintain the same cutting height, which is a good practice, mow more often in early spring.
Maintenance Recommended Maintenance Schedule(s) Maintenance Service Maintenance Procedure Interval • Check the hydraulic fluid. After the first 8 hours • Change the hydraulic filter. After the first 25 hours • Check the safety interlock system. • Check the engine oil level. •...
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Where to Add Light Oil or Spray 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating Lubrication position. Service Interval: Every 150 hours 3. Clean the grease fittings with a rag. Make sure to scrape any paint off the front of the fitting(s).
Engine Maintenance Servicing the Primary Filter Service Interval: Every 200 hours Servicing the Air Cleaner • If the primary filter is dirty, bent, or damaged, replace it. Note: Check the filters more frequently if the operating conditions are extremely dusty or sandy. •...
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Changing the Oil Service Interval: Every 100 hours 1. Start the engine and let it run five minutes. This warms the oil so it drains better. 2. Park the machine so that the drain side is slightly lower than the opposite side to ensure the oil drains completely.
Figure 30 Figure 31 1. Oil filter 3. Adapter 2. Adapter gasket 1. Center electrode insulator 3. Air gap (not to scale) 2. Side electrode 3. Pour new oil in through the center hole of the filter. Fill it up to the bottom of the threads inside. Important: Always replace the spark plugs when it has a black coating, worn electrodes, 4.
Installing the Spark Plugs Fuel System 1. Install the spark plugs and the metal washer. Ensure Maintenance that the air gap is set correctly. 2. Tighten the spark plugs to 18 to 22 ft-lb (24.4 to Replacing the Fuel Filter 29.8 N⋅m).
Draining the Fuel Tank Electrical System Maintenance In certain conditions, gasoline is extremely Servicing the Battery flammable and highly explosive. A fire or explosion from gasoline can burn you and Warning others and can damage property. • Drain gasoline from the fuel tank when the CALIFORNIA engine is cold.
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6. Remove both wing nuts (1/4 inch) securing the battery clamp (Figure 35). Incorrect battery cable routing could damage 7. Remove the battery. the machine and cables causing sparks. Sparks can cause the battery gasses to explode, Installing the Battery resulting in personal injury.
Drive System Maintenance Adjusting the Tracking Note: Determine the left and right sides of the machine from the normal operating position. Note: Adjust the handle neutral and hydraulic pump neutral before adjusting the tracking. Refer to Adjusting the Handle Neutral and Adjusting the Hydraulic Pump Neutral.
Maintain the air pressure in the front and rear tires at 6. If more than two threads are showing remove nut 13 psi (90 kPa). Uneven tire pressure can cause uneven and install washer between hub and nut. cut. Check the tires when they are cold to get the most 7.
Brake Maintenance Cooling System Maintenance Adjusting the Parking Brake Cleaning the Engine Screen Service Interval: Every 200 hours and the Oil Cooler Check the parking brake for proper adjustment. 1. Disengage brake lever (lever down). Service Interval: Before each use or daily 2.
Belt Maintenance Inspecting the Belts Service Interval: Every 100 hours Check the belts for cracks, frayed edges, burn marks or any other damage. Replace damaged belts. Replacing the Mower Belt 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.
Figure 46 1. Center bolt 3. Left support plate 2. Alignment hole 4. Spring loaded idler Figure 48 1. Spring loaded idler pulley 4. Idler pulley arm 5. If adjustment is required, loosen the idler plate to 2. Top alignment hole 5.
Controls System Maintenance Adjusting the Control Handle Neutral Position If motion control levers do not align, or move easily into the console notch, adjustment is required. Adjust each Figure 50 lever, spring and rod separately. Note: Motion control levers must be installed correctly. See Installing the Motion Control Levers in the set up 3.
Hydraulic System 9. Apply slight rearward pressure on the motion control lever, turn the head of the adjustment bolt Maintenance in the appropriate direction until the control lever is centered in the neutral lock position (Figure 52). Checking the Hydraulic Fluid Note: Keeping rearward pressure on the lever will keep the pin at the end of the slot and allow the Service Interval: After the first 8 hours...
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 Figure 54 done.
Bleeding the Hydraulic System Setting the Hydraulic Pump Neutral Position The traction system is self bleeding, however, it may be necessary to bleed the system if fluid is changed or after Note: Adjust the handle neutral first. That needs to be work is performed on the system.
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Figure 56 1. Pump rod 4. Ball joint 2. Double nuts 5. Yoke Figure 57 3. Lock nut 6. Adjustment bolt 1. Clevis pin in slot 7. Spring 2. Nut against yoke 8. Pivot shaft 4. Move the motion control lever forward and reverse, 3.
Mower Deck Maintenance Electrical system will not perform proper safety shut off with jumper wire installed. Leveling the Mower at Three • Remove jumper wire from wire harness connector and plug connector into seat Positions switch when adjustment is completed. Important: There are only three measuring •...
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8. Loosen the jam nut under the rear support arm and adjust the adjustment bolt to get a measurement of 3-1/8 to 3-1/4 inches (80 to 83 mm) (Figure 59). Note: It is recommended that both sides of the mower are adjusted the same distance. 9.
File down any nicks and sharpen the to lock the height. blades as necessary. If a blade is damaged or worn, replace it immediately with a genuine Toro replacement 10. Check to make sure there is equal tension on the chains and adjust again if needed.
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If you notice any damage, wear, or a slot forming in performance and continued safety conformance of this area (Figure 62), immediately install a new blade. the machine, use genuine Toro replacement blades. Replacement blades made by other manufacturers may Checking for Bent Blades result in non-conformance with safety standards.
Replacing the Grass Deflector An uncovered discharge opening could allow the lawn mower to throw objects in the Figure 64 operator’s or bystander’s direction and result in serious injury. Also, contact with the blade 1. Sharpen at original angle could occur. •...
Cleaning Storage 1. Disengage the power take off (PTO), set the parking Cleaning Under the Mower brake and turn the ignition key to off. Remove spark plug wire. Remove the key. Service Interval: Before each use or daily 2. Remove grass clippings, dirt, and grime from the Remove the grass buildup under the mower daily.
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C. Stop engine, allow to cool and drain the fuel tank; refer to Servicing the Fuel Tank in Fuel System Maintenance , page 30. D. Restart engine and run it until it stops. E. Choke the engine. Start and run engine until it will not start.
Troubleshooting Problem Possible Cause Corrective Action Starter does not crank 1. Blade control (PTO) is engaged. 1. Move blade contro (PTO) to disengaged. 2. Parking brake is not on. 2. Set the parking brake. 3. Operator is not seated. 3. Sit on the seat. 4.
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Problem Possible Cause Corrective Action Uneven cutting height. 1. Blade(s) not sharp. 1. Sharpen the blade(s). 2. Cutting blade(s) is/are bent. 2. Install new cutting blade(s). 3. Mower is not level. 3. Level mower from side-to-side and front-to-rear. 4. Underside of mower is dirty. 4.
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Countries Other than the United States or Canada Customers who have purchased Toro products exported from the United States or Canada should contact their Toro Distributor (Dealer) to obtain guarantee policies for your country, province, or state. If for any reason you are dissatised with your Distributor’s service or have difculty obtaining guarantee information, contact the Toro importer.