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Summary of Contents for Toro Z Master 72976
- Page 1 Form No. 3470-733 Rev A Z Master ® Professional 6000 Series Riding Mower with 60in or 72in TURBO FORCE ® Side Discharge Mower Model No. 72976—Serial No. 400000000 and Up Model No. 72977—Serial No. 400000000 and Up *3470-733* Register at www.Toro.com. Original Instructions (EN)
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Page 2: Figure 1
Authorized Service requirements, the actual engine torque on this class Dealer or Toro Customer Service and have the model of mower will be significantly lower. Please refer to and serial numbers of your product ready. -
Page 3: Table Of Contents
This manual uses 2 words to highlight information. Using the Motion-Control Levers....... 23 Important calls attention to special mechanical Driving the Machine .......... 23 information and Note emphasizes general information Using the Side Discharge ......... 25 worthy of special attention. Adjusting the Height of Cut ....... -
Page 4: Safety
Safety Replacing the Hydraulic Pump-Drive Belt..............55 Controls System Maintenance ......56 General Safety Adjusting the Control-Handle Position ....56 Adjusting the Motion-Control Linkage ....57 Adjusting the Motion-Control Damper ....58 This product is capable of amputating hands and Adjusting the Motion-Control Neutral-Lock feet and of throwing objects. -
Page 5: Slope Indicator
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. -
Page 6: Safety And Instructional Decals
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. decalbatterysymbols Battery Symbols Some or all of these symbols are on your battery. 1. - Page 7 decal116-8283 116-8283 1. Warning—read the Operator's Manual for instructions on torquing the blade bolt/nut to 75 to 81 N∙m (55 to 60 ft-lb). 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 fully raised and locked position and wear the seat belt.
- Page 8 decal116-5988 116-5988 decal117-3848 117-3848 1. Parking brake—engaged 2. Parking 1. Thrown object hazard—keep bystanders away. brake—disengaged 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;...
- Page 9 decal126-7875 126-7875 1. Fuse location 4. Auxiliary, 15A 2. Relay location 5. Start relay 3. Main, 20A 6. Not used decal131-1180 131-1180 1. Read the Operator's 3. Bagging setting Manual. decal127-0326 2. Short, light grass; dry 4. Tall, dense grass; wet 127-0326 conditions conditions...
- Page 10 decal125-9383 125-9383 1. Check the hydraulic fluid every 50 operating hours. 3. Check the tire pressure every 50 operating hours. 2. Read the Operator’s Manual for information on lubricating 4. Read the Operator’s Manual before servicing or performing the machine. maintenance.
- Page 11 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.
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Page 12: Product Overview
Control Panel Product Overview g027333 Figure 4 1. Height-of-cut deck-lift 6. Roll bar pedal 2. Transport lock 7. Seat belt g525359 Figure 5 3. Parking-brake lever 8. Fuel cap 4. Controls 9. Mower deck 1. Blade-control switch 4. Key switch (power takeoff) 5. - Page 13 Hour Meter Motion-Control Levers The hour meter records the number of hours the Use the motion-control levers to drive the machine engine has operated. It operates when the engine forward, reverse, and turn either direction. is running. Use these times for scheduling regular maintenance.
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Page 14: Specifications
To ensure optimum performance and continued safety required to operate the machine properly and certification of the machine, use only genuine Toro safely. replacement parts and accessories. Replacement • Wear appropriate clothing, including eye parts and accessories made by other manufacturers protection;... -
Page 15: Adding Fuel
Fuel Safety Adding Fuel • Fuel is extremely flammable and highly explosive. A fire or explosion from fuel can burn you and Recommended Fuel others and can damage property. • For best results, use only clean, fresh (less than – To prevent a static charge from igniting the fuel, 30 days old), unleaded gasoline with an octane place the container and/or machine directly on rating of 87 or higher ((R+M)/2 rating method). -
Page 16: Performing Daily Maintenance
Breaking in a New Machine Note: Do not fill the fuel tank completely full. The empty space in the tank allows the fuel to expand. New engines take time to develop full power. Mower decks and drive systems have higher friction when new, placing additional load on the engine. -
Page 17: Using The Safety-Interlock System
Using the Safety-Interlock System 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. • Check the operation of the interlock switches daily and replace any damaged switches before operating the machine. -
Page 18: Positioning The Seat
Positioning the Seat 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 The seat can move forward and backward. Position Service Dealer repair the safety system immediately. the seat where you have the best control of the machine and are most comfortable (Figure... -
Page 19: Changing The Seat Suspension
Shut off the engine, remove the key, and Use only accessories and attachments approved wait for all moving parts to stop before leaving the by Toro. operating position. When you turn the key to the • This machine produces sound levels in excess OFF position, the engine should shut off and the of 85 dBA at the operator’s ear and can cause... -
Page 20: Rollover Protection System (Rops) Safety
• Start the engine with your feet well away from the blades. • Use only Toro approved accessories and attachments for the ROPS. • Be aware of the mower discharge path and direct the discharge away from others. Avoid discharging... -
Page 21: Operating The Parking Brake
Operating the Parking • Remove or mark obstacles such as ditches, holes, ruts, bumps, rocks, or other hidden hazards. Tall Brake grass can hide obstacles. Uneven terrain could overturn the machine. Always engage the parking brake when you stop the •... -
Page 22: Operating The Mower Blade-Control Switch (Pto)
Operating the Mower Starting the Engine Blade-Control Switch (PTO) Important: Do not engage the starter for more than 5 seconds at a time. If the engine fails to The blade-control switch (PTO) starts and stops the start, wait 15 seconds between attempts. Failure mower blades and any powered attachments. -
Page 23: Shutting Off The Engine
Shutting Off the Engine Using the Motion-Control Levers 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. -
Page 24: Driving Forward
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. -
Page 25: Using The Side Discharge
Using the Side Discharge Adjusting the Height of Cut The mower has a hinged grass deflector that Using the Transport Lock disperses clippings to the side and down toward the turf. The transport lock has 2 positions, and is used with the deck-lift pedal. -
Page 26: Adjusting The Height-Of-Cut Pin
Adjusting the Height-of-Cut Pin Adjusting the Anti-Scalp Rollers The height-of-cut is adjusted from 25 to 140 mm (1 to 5-1/2 inches) in 6 mm (1/4 inch) increments by relocating the clevis pin into different hole locations. Whenever you change the height-of-cut, adjust the height of the anti-scalp rollers. -
Page 27: Adjusting The Flow Baffle Knob
Adjusting the Flow Baffle Knob This procedure applies only to machines with the flow baffle knob. Certain models have nuts and bolts instead of the flow baffle knob that you can adjust the same way. You can adjust the mower discharge flow for different types of mowing conditions. -
Page 28: Positioning The Flow Baffle
Positioning the Flow Baffle The following figures are recommendations only. 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 the baffle. Position A This is the fully-rear position. -
Page 29: Operating Tips
It is best to cut only about a third of the grass blade. genuine Toro replacement blade. Cutting more than that is not recommended unless grass is sparse, or it is late fall when grass grows more slowly. -
Page 30: After Operation
Using the After Operation Drive-Wheel-Release After Operation Safety Valves General Safety WARNING Hands may become entangled in the rotating • Shut off the engine, remove the key, and wait drive components below the engine deck, for all moving parts to stop before leaving the operator’s position. -
Page 31: Transporting The Machine
Transporting the Machine Use a heavy-duty trailer or truck to transport the machine. Use a full-width ramp. Ensure that the trailer or truck has all the necessary brakes, lighting, and marking as required by law. Please carefully read all the safety instructions. Knowing this information could help you or bystanders avoid injury. -
Page 32: Unloading The Machine
If using a trailer, connect it to the towing vehicle and connect the safety chains. If applicable, connect the trailer brakes and lights. Lower the ramp, ensuring that the angle between the ramp and the ground does not exceed 15 degrees (Figure 34). -
Page 33: Maintenance
• To ensure optimum performance, use only • Carefully release pressure from components with genuine Toro replacement parts and accessories. stored energy. Replacement parts and accessories made by • Check the parking brake operation frequently. - Page 34 • Adjust the caster-pivot bearing. • Adjust the parking brake. • After the initial change—change the hydraulic-system filters and fluid when using Toro® HYPR-OIL™ 500 fluid. (Change it more often under dirty or dusty conditions) • Check the battery charge. Monthly •...
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Page 35: Lubrication
Lubrication Lubricating the Mower Deck-Lift Pivots Greasing the Machine Service Interval: Every 100 hours Grease the machine more often in dirty or dusty Use light oil or spray lubricant to lubricate the deck-lift conditions. pivots. Grease Type: No. 2 lithium or molybdenum grease Park the machine on a level surface, disengage the blade-control switch, and engage the parking brake. -
Page 36: Greasing The Mower Deck
Greasing the Mower Deck Note: Keep the dust cap off until greasing is done. Service Interval: Yearly—Grease the pump-belt-idler Remove the hex plug. arm. Thread a grease fitting into the hole. Park the machine on a level surface, disengage Pump grease into the fitting until it oozes out the blade-control switch, and engage the parking around the top bearing. -
Page 37: Greasing The Caster-Wheel Hubs
Greasing the Caster-Wheel With the open end of the wheel facing up, fill the area inside the wheel around the axle full of Hubs general-purpose grease. Insert the second bearing and new seal into the Service Interval: Yearly wheel. Park the machine on a level surface, disengage Apply a thread-locking compound to the second the blade-control switch, and engage the parking spacer nut, and thread it onto the axle with the... -
Page 38: Engine Maintenance
Engine Maintenance Release the latches on the air cleaner and pull the air-inlet cover off the air-cleaner body (Figure 44). Engine Safety Clean the air-inlet screen and cover. • Keep your hands, feet, face, clothing, and other Install the air-inlet cover and secure it with the body parts away from the muffler and other hot latches (Figure... -
Page 39: Servicing The Engine Oil
Installing the Filters Important: To prevent engine damage, always operate the engine with both air filters and the cover installed. If you are installing new filters, check each filter for shipping damage. Note: Do not use a damaged filter. If you are replacing the inner filter, carefully slide it into the filter body (Figure 45). - Page 40 Checking the Engine-Oil Level Changing the Engine Oil Note: Dispose of the used oil at a recycling center. Note: Check the oil when the engine is cold. Start the engine and let it run for 5 minutes. Important: If you overfill or underfill the engine crankcase with oil and run the engine, you may Note: This warms the oil so that it drains better.
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Page 41: Changing The Engine-Oil Filter
Slowly pour approximately 80% of the specified oil into the filler tube and slowly add the additional oil to bring it to the Full mark (Figure 49). g008804 g194610 Figure 49 Start the engine and drive to a flat area. Check the oil level again. -
Page 42: Installing The Spark Plug
Installing the Spark Plug Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. Clean the area around the base of the plug(s) to keep dirt and debris out of the engine. Locate and remove the spark plug(s) as shown Figure g009922... -
Page 43: Checking The Spark Arrester
Checking the Spark Fuel System Arrester Maintenance For Machines with a Spark WARNING Arrester Fuel-system components are under high Service Interval: Every 50 hours pressure. The use of improper components can result in system failure, fuel leakage, and WARNING possible explosion. Hot exhaust-system components may ignite Use only approved fuel lines and fuel filters. -
Page 44: Servicing The High-Pressure Fuel Filter
Electrical System Maintenance 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. -
Page 45: Charging The Battery
Charging the Battery Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. WARNING Remove the battery as shown in Figure Charging the battery produces gasses that can explode. Never smoke near the battery and keep sparks and flames away from the battery. -
Page 46: Installing The Battery
Installing the Battery Servicing the Fuses Note: Position the battery in the tray with the terminal The electrical system is protected by fuses. It requires posts opposite from the hydraulic tank (Figure 55). no maintenance, however, if a fuse blows check the component/circuit for a malfunction or short. -
Page 47: Drive System Maintenance
Drive System Maintenance 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. Replace the seat belt if it is damaged. Checking the Roll-Bar Knobs Service Interval: Before each use or daily WARNING... -
Page 48: Adjusting The Tracking
Adjusting the Tracking Checking the Tire Pressure Disengage the blade-control switch (PTO). Service Interval: Every 50 hours/Monthly (whichever comes first) Drive to an open flat area, move the motion-control levers to the N EUTRAL Maintain the air pressure in the rear tires at 90 kPa position. -
Page 49: Checking The Wheel-Hub Slotted Nut
Checking the Wheel-Hub Important: Make sure that the spring washers are installed correctly as shown in Slotted Nut Figure Install the dust cap (Figure 64). Service Interval: After the first 100 hours Every 500 hours Check and ensure that the torque of the slotted nut is 286 to 352 N∙m (211 to 260 ft-lb). - Page 50 Park the machine on a level surface, disengage Using needle-nose pliers, or by hand, hold the blade-control switch (PTO), and engage the the tab and remove the shim (Figure 68). parking brake. Note: Do not discard the shim until the Shut off the engine, remove the key, and wait clutch is functioning properly.
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Page 51: Cooling System Maintenance
Cooling System Maintenance Cooling System Safety • Swallowing engine coolant can cause poisoning; keep out of reach from children and pets. • Discharge of hot, pressurized coolant or touching g010873 a hot radiator and surrounding parts can cause Figure 70 severe burns. -
Page 52: Cleaning The Engine-Cooling Fins And Shrouds
Cleaning the Checking and Cleaning the Engine-Cooling Fins and Hydraulic-Unit Shrouds Shrouds Service Interval: Before each use or daily Park the machine on a level surface, disengage Service Interval: Every 100 hours/Yearly (whichever the blade-control switch (PTO), and engage the comes first) parking brake. -
Page 53: Brake Maintenance
Brake Maintenance Note: To lengthen the linkage, rotate the clevis 1 turn outward. Tighten the jam nut on the rear linkage (Figure Adjusting the Parking 74). Brake Ensure that the wheel hub moves freely between the caliper brake pads. Service Interval: After the first 100 hours Repeats steps for the right side. -
Page 54: Belt Maintenance
Belt Maintenance Inspecting the Belts Service Interval: Every 50 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. -
Page 55: Replacing The Hydraulic Pump-Drive Belt
Replacing the Hydraulic Pump-Drive Belt Park the machine on a level surface, disengage the blade-control switch (PTO), and engage the parking brake. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. -
Page 56: Controls System Maintenance
Controls System Unhook the idler spring from the frame (Figure 78). Maintenance Remove the belt from the hydraulic-unit-drive pulleys and the engine pulley. Install the new belt around engine pulley and Adjusting the the 2 drive pulleys. Control-Handle Position Using a ratchet in the square hole in the idler arm, install the idler spring to the frame (Figure There are 2 height positions for the control... -
Page 57: Adjusting The Motion-Control Linkage
Raise the rear of the machine up and support it with jack stands (or equivalent support) just high enough to allow the drive wheels to turn freely. Remove the electrical connection from the seat safety switch, located under the bottom cushion of the seat. -
Page 58: Adjusting The Motion-Control Damper
Adjusting the Move the motion-control levers to the REVERSE position and while applying slight pressure to Motion-Control the lever, allow the reverse-indicator springs to bring the levers back to neutral. Neutral-Lock Pivot Note: The wheels should stop turning or slightly creep in reverse. -
Page 59: Hydraulic System Maintenance
Use cardboard or paper to find hydraulic leaks. • Safely relieve all pressure in the hydraulic system before performing any work on the hydraulic system. Hydraulic-Fluid Specifications Hydraulic-Fluid Type: Toro ® HYPR-OIL ™ hydraulic fluid or Mobil ® 1 15W-50. -
Page 60: Changing The Hydraulic Fluid And Filters
Mobil 1 15W50 fluid. (Change it more often under dirty or dusty conditions) Every 500 hours—After the initial change—change the hydraulic-system filters and fluid when using Toro ® HYPR-OIL ™ 500 fluid. (Change it more often under dirty or... -
Page 61: Blade Maintenance
Blade Maintenance Blade Safety • Inspect the blades periodically for wear or damage. • Use care when checking the blades. Wrap the blades or wear gloves, and use caution when servicing the blades. Only replace or sharpen the g006530 blades; never straighten or weld them. Figure 87 •... -
Page 62: Checking For Bent Blades
Checking for Bent Blades Note: The machine must be on a level surface for the following procedure. Raise the mower deck to the highest height-of-cut position. While wearing thickly padded gloves, or other adequate hand protection, slowly rotate the blade into a position that allows you to measure g014974 the distance between the cutting edge and the Figure 90... -
Page 63: Removing The Blades
Removing the Blades Note: If the blade stays in a horizontal position, the blade is balanced and can be used. Replace the blades if they hit a solid object, or if the Note: If the blade is not balanced, file some blade is out of balance or bent. -
Page 64: Leveling The Mower Deck
g295815 Figure 96 1. Top spindle nut 3. Blade bolt g027343 Figure 97 2. Flat of the spindle shaft 1. Deck-lift pedal 3. Transport lock 2. Height-of-cut pin Apply copper-based lubricant or grease to the threads of the blade bolt as needed to prevent seizing. - Page 65 g009196 Figure 98 1. 7.6 cm (3 inch) at position 3. Measure here from the A is correct blade tip to the hard surface 4. Measure at position A and 2. 8.3 cm (3-1/4 inch) at position B is correct B on both sides g027344 Figure 99...
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Page 66: Removing The Mower Deck
Removing the Mower Deck Note: Loosen or tighten the single-point adjustment bolt enough to move the height-of-cut plate mounting bolts at least 1/3 Lock out the spring-loaded deck arms before servicing the length of the available travel in their slots. or removing the mower deck. -
Page 67: Replacing The Grass Deflector
Raise the deck struts and secure them in the raised position. Slide the deck out to the right side of the machine. Replacing the Grass Deflector WARNING An uncovered discharge opening could allow the machine to throw objects toward you or bystanders, resulting in serious injury. -
Page 68: Cleaning
Cleaning Place 1 J-hook end of the spring around the grass deflector (Figure 104). Important: The grass deflector must be able Cleaning under the Mower to rotate. Lift the deflector up to the full open position and ensure that it rotates into the Deck full down position. -
Page 69: Storage
Storage Check the condition of the blades; refer to Servicing the Cutting Blades (page 61). Prepare the machine for storage when non-use Storage Safety occurs over 30 days. Prepare the machine for storage as follows: • Shut off the engine, remove the key, and wait for all moving parts to stop before you leave the Add a petroleum-based operator’s position. -
Page 70: Troubleshooting
“limp” mode. is above the “add” line, contact an Authorized Toro Service Dealer. The oil-pressure light is on and the engine 1. The engine-control unit has limited 1. Let the engine cool and check the rpm is low. - Page 71 Problem Possible Cause Corrective Action The engine does not start, starts hard, or 1. The fuel tank is empty. 1. Fill the fuel tank. fails to keep running. 2. The fuel-shutoff valve is closed. 2. Open the fuel-shutoff valve. 3. The oil level in the crankcase is low. 3.
- Page 72 Problem Possible Cause Corrective Action The machine vibrates abnormally. 1. The cutting blade(s) is/are bent or 1. Install new cutting blade(s). unbalanced. 2. The blade mounting bolt is loose. 2. Tighten the blade mounting bolt. 3. The engine mounting bolts are loose. 3.
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Page 73: Schematics
Schematics g522591 Electrical Schematic—Kohler Engines (Rev. A) - Page 74 Notes:...
- Page 75 While the exposure from Toro products may be negligible or well within the “no significant risk” range, out of an abundance of caution, Toro has elected to provide the Prop 65 warnings. Moreover, if Toro does not provide these warnings, it could be sued by the State of California or by private parties seeking to enforce Prop 65 and subject to substantial penalties.
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