Toro Z Master Professional 7500-D
Series Operator's Manual

Toro Z Master Professional 7500-D Series Operator's Manual

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Original Instructions (EN)
Z Master
®
Series Riding Mower
With 60in or 72in TURBO FORCE
Model No. 74028—Serial No. 400000000 and Up
Model No. 74029—Serial No. 400000000 and Up
Model No. 74060—Serial No. 404400000 and Up
Model No. 74064—Serial No. 404400000 and Up
Model No. 74072—Serial No. 404400000 and Up
Model No. 74074—Serial No. 404400000 and Up
Form No. 3426-194 Rev D
Professional 7500-D
®
Mower
*3426-194* D

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Summary of Contents for Toro Z Master Professional 7500-D Series

  • Page 1 Model No. 74029—Serial No. 400000000 and Up Model No. 74060—Serial No. 404400000 and Up Model No. 74064—Serial No. 404400000 and Up Model No. 74072—Serial No. 404400000 and Up Model No. 74074—Serial No. 404400000 and Up *3426-194* D Register at www.Toro.com. Original Instructions (EN)
  • Page 2 Authorized Service Gross or Net Torque: The gross or net torque Dealer or Toro Customer Service and have the model of this engine was laboratory rated by the engine and serial numbers of your product ready.
  • Page 3: Table Of Contents

    Contents Fuel System Maintenance ........45 Draining the Fuel Filter/Water Separator ... 45 Replacing the Water Separator ......45 Safety ............... 4 Checking the Fuel Lines and Safety Alert Symbol ..........4 Connections..........45 General Safety ........... 4 Electrical System Maintenance ......46 Slope Indicator ...........
  • Page 4: Safety

    Safety This machine is capable of amputating hands and feet This machine has been designed in accordance with and of throwing objects. Toro designed and tested ANSI B71.4-2017. this lawn mower to offer reasonably safe service; however, failure to comply with safety instructions may result in injury or death.
  • 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. decal93-7818 93-7818 decalbatterysymbols 1. Warning—read the Operator's Manual for instructions on Battery Symbols torquing the blade bolt/nut to 115 to 149 N∙m (85 to 110 ft-lb).
  • Page 7 decal112-9028 112-9028 1. Warning—stay away from moving parts; keep all guards and shields in place. decal116-5988 116-5988 1. Parking brake—engaged 2. Parking brake—disengaged 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 Side Discharge Mowers Only decal126-6464 126-6464 1. Thrown object 3. Cutting/dismemberment hazard—keep bystanders hazard of hand or foot, away. mower blade—stay away from moving parts; keep all guards and shields in place. 2. Thrown objects hazard, mower—do not operate without the deflector, discharge cover, or grass collection system in place.
  • Page 9 decal126-9276 126-9276 For Models with 183 cm (72-inch) Decks with Side Discharge decal126-9275 126-9275 For Models with 152 cm (60-inch) or 183 cm (72-inch) Decks decal126-9278 126-9278 1. Engine—Off 4. Push the bottom of the button to lower the deck. 2.
  • Page 10 decal126-9279 126-9279 1. Read the instructions before servicing or performing 7. Check the jackshaft-fluid level. maintenance to the machine. 2. Time interval 8. Grease the deck-drive PTO; refer to the Operator's Manual for further instructions. 3. Check the engine-oil level. 9.
  • Page 11 decal127-0326 127-0326 1. Read the Operator's 3. Remove the key and read the Operator's Manual. Manual before performing maintenance or servicing the machine. 2. Height of cut decal131-1180 131-1180 1. Read the Operator's Manual. (A) Short, light grass; dry conditions; maximum dispersion; (B) Bagging setting; (C) Tall, dense grass;...
  • Page 12 135-2837 1. Read the Operator’s Manual for more information; Use red Toro wet-clutch transmission fluid; do not use green hydraulic fluid. decal133-8062 decal135-0679 133-8062 135-0679 1. Rotating driveline hazard/entanglement hazard; belt—stay away from moving parts;...
  • Page 13: Product Overview

    Product Overview g227303 Figure 4 1. Height-of-cut pin 7. Motion-control lever 2. Parking-brake lever 8. Fuel-tank cap 3. Monitor/controls 9. Anti-scalp roller 4. Roll bar 10. Skid 5. Engine screen 11. Caster wheel 6. Audible alarm and power point 12. Mower deck...
  • Page 14: Controls

    Controls Information Screen The information screen displays information relative Become familiar with all the controls before you start to machine operation; refer to the Software Guide for the engine and operate the machine. more information. Control Panel Buttons The multi-functional buttons are located at the bottom of the panel.
  • Page 15: Specifications

    Press the switch forward to lower the deck. to enhance and expand its capabilities. Contact your Authorized Service Dealer or authorized Toro distributor or go to www.Toro.com for a list of all Blade-Control Switch (Power approved attachments and accessories. Takeoff)
  • Page 16: Before Operation

    Wheel Base (Center of Caster Tire to Center of and attachments are needed to properly and Drive Tire)—Side Discharge Machines safely perform the job. Only use accessories and attachments approved by Toro. 60-inch Deck 72-inch Deck • Inspect the area where the equipment is to be 146.3 cm (57.6 inches)
  • Page 17: Fuel Safety

    Fuel Safety DANGER In certain conditions during fueling, static Use extreme care when handling fuel. electricity can be released causing a spark which can ignite fuel vapors. A fire or DANGER explosion from fuel can burn you and others In certain conditions fuel is extremely and cause property damage.
  • Page 18: Adding Fuel

    • • Keep engine and engine area free from Fuel filter plugging may be expected for a time accumulation of grass, leaves, excessive grease after converting to biodiesel blends. or oil, and other debris which can accumulate in • Contact your distributor for more information on these areas.
  • Page 19: Performing Daily Maintenance

    Performing Daily Maintenance Before starting the machine each day, perform the Each Use/Daily procedures listed in Maintenance (page 37). Breaking in a New Machine 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 20: Using The Safety-Interlock System

    Using the Safety-Interlock Sit on the seat, engage the parking brake, and move the blade-control switch (PTO) to the O System position. Try starting the engine; the engine should not start. Sit on the seat, engage the parking brake, and WARNING move the blade-control switch (PTO) to the O If the safety-interlock switches are...
  • Page 21: Unlatching The Seat

    Unlatching the Seat During Operation To unlatch the seat, push the seat latch forward During Operation Safety (Figure 12). General Safety The operator must use their full attention when operating the machine. Do Not engage in any activity that causes distractions; otherwise, injury or property damage may occur.
  • Page 22 • Be sure all drives are in neutral and parking brake – Whenever you leave the mower. Do Not leave is engaged before starting engine. Use seat belts a running machine unattended. with the roll bar in the raised and locked position. •...
  • Page 23 • Any accessories, alterations, or attachments drive wheels may result in sliding and a loss of added to the ROPS must be approved by Toro. braking and steering. The machine can slide even if the drive wheels are stopped. •...
  • Page 24: Pre-Start

    Pre-Start Disengaging the Parking Brake Fill fuel tank on level ground. See Fuel Recommendations in the Specifications section for additional diesel information. Do Not overfill fuel tank. Fill the fuel tank to the bottom of the filler neck. The empty space in the tank allows fuel to expand.
  • Page 25: Operating The Mower Blade-Control Switch (Pto)

    Operating the Mower Starting the Engine Blade-Control Switch (PTO) Important: Do not engage starter for more than 5 seconds at a time. If the engine fails to start, wait The blade-control switch (PTO) starts and stops the 15 seconds between attempts. Failure to follow mower blades and any powered attachments.
  • Page 26: 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 27: Driving The Machine

    Driving the Machine The drive wheels turn independently, powered by hydraulic motors on each axle. You can turn 1 side in reverse while you turn the other forward, causing the machine to spin rather than turn. This greatly improves the machine maneuverability but may require some time for you to adapt to how it moves.
  • Page 28: Using The Side Discharge

    Driving Backward Using the Side Discharge Move the levers to the center, unlocked position. Machines with Side Discharge To go backward, slowly pull the motion-control Only levers rearward (Figure 23). The mower has a hinged grass deflector that disperses clippings to the side and down toward the turf.
  • Page 29: Adjusting The Height Of Cut

    Adjusting the Height of Cut Adjusting the Anti-Scalp Rollers Adjust the height of cut from 25 to 140 mm (1 to 5-1/2 inches) in 6 mm (1/4 inch) increments by moving the For maximum deck flotation, install the rollers 1 hole clevis pin into different hole locations.
  • Page 30: Adjusting The Flow Baffle Cam Locks

    g227782 Figure 26 g227783 Figure 28 Side Discharge Machines Rear Discharge Machines 1. Bolt 4. Spacer 1. Bolt 3. Anti-scalp roller 2. Bushing 5. Flange nut 2. Bushing 4. Flange nut 3. Anti-scalp roller For side discharge machines, torque the flange nut to 68 to 75 N∙m (50 to 55 ft-lb).
  • Page 31: Positioning The Flow Baffle

    Position B If the cam locks do not lock the baffle into place or it is too tight, loosen the lever and then rotate Use this position when bagging. Always align it with the cam lock. the blower opening. Note: Adjust the cam lock until the desired locking pressure is achieved.
  • Page 32: Adjusting The Skids

    Adjusting the Skids Operating Tips For Models with Rear Discharge Using the Fast Throttle Setting Mount the skids in the lower position when operating For best mowing and maximum air circulation, operate at heights of cut greater than 51 mm (2 inches) and the engine at the F position.
  • Page 33: After Operation

    File down any nicks and components that could create a hazard. Tighten sharpen the blades as necessary. If a blade is loose hardware. damaged or worn, replace it immediately with a genuine Toro replacement blade.
  • Page 34: Using The Drive-Wheel Release Valves

    Using the Drive-Wheel Transporting Release Valves Transporting the Machine Use the drive-wheel release valves to release the Use a heavy-duty trailer or truck to transport the hydrostatic drive system, which allows you to push the machine. Ensure that the trailer or truck has all machine without the running the engine.
  • Page 35 g028043 Figure 36 1. Back up ramps 2. Drive forward down ramps Important: Do not use narrow individual ramps for each side of the machine. Ensure the ramp is long enough so that the angle with the ground does not exceed 15 degrees (Figure 37).
  • Page 36 and loss of control. Reduce the towed weight and slow down. • Stopping distance increases with the weight of the towed load. Travel slowly and allow extra distance to stop. • Make wide turns to keep the attachment clear of the machine.
  • Page 37: Maintenance

    The mechanical or hydraulic jacks may not failure to use original Toro parts could lead be enough support or may malfunction to serious injury or death. Unauthorized allowing the machine to fall, which could changes to the machine, engine, fuel or cause injury.
  • Page 38: Recommended Maintenance Schedule(S)

    • Check the alternator-belt tension. Every 100 hours • Change the engine oil and filter if not using Toro Premium Engine Oil, but any oil Every 200 hours meeting API classification CJ-4 or higher or as stated in Engine-Oil Specifications.
  • Page 39 Maintenance Service Maintenance Procedure Interval • Check the battery charge. Monthly • Grease the deck drive PTO. • Repack the caster-wheel bearings (more often in dirty or dusty conditions). Yearly • Greasing the caster-wheel hubs. • If you operate the machine less than 200 hours, change the engine oil and filter. Important: Refer to your engine owner's manual for additional maintenance procedures.
  • Page 40: Lubrication

    Lubrication Greasing the Machine Service Interval: Every 400 hours/Yearly (whichever comes first)—Grease the deck-idler pivots. Yearly—Grease the deck drive PTO. Grease more frequently when operating conditions are extremely dusty or sandy. Grease Type: No. 2 lithium or molybdenum grease Park the machine on a level surface, disengage the blade-control switch, and engage the parking Lubricating the Drive brake.
  • Page 41: Greasing The Caster Pivots

    Greasing the Caster Pivots Remove a spacer nut from the axle assembly in the caster wheel. Service Interval: Every 400 hours/Yearly (whichever Note: Thread-locking compound has been comes first) (more often in dirty or applied to lock the spacer nuts to the axle. dusty conditions).
  • Page 42: Engine Maintenance

    Engine Maintenance Servicing the Air Cleaner Note: If the foam gasket in the cover is damaged, Engine Safety replace it. Important: • Avoid using high-pressure air, which Shut off the engine before checking the oil or could force dirt through the filter into the intake adding oil to the crankcase.
  • Page 43: Servicing The Engine Oil

    After the first 200 hours—Change the engine oil and filter. Every 200 hours—Change the engine oil and filter if not using Toro Premium Engine Oil, but any oil meeting API classification CJ-4 or higher or as stated in Engine-Oil Specifications.
  • Page 44: Inspecting The Engine-Valve Clearance

    Changing the Engine Oil and Filter If possible, run the engine just before changing the oil because warm oil flows better and carries more contaminants than cold oil. Park the machine on a level surface, disengage the blade-control switch (PTO), and engage the parking brake.
  • Page 45: Fuel System Maintenance

    Replacing the Water Fuel System Separator Maintenance Service Interval: Every 400 hours—Replace the DANGER fuel-filter canister for the water separator (more often in dirty and In certain conditions, fuel is extremely dusty conditions). flammable and highly explosive. A fire or explosion from fuel can burn you and others and can damage property.
  • Page 46: Electrical System Maintenance

    Electrical System WARNING Incorrect battery cable routing could damage Maintenance the machine and cables causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury. Electrical System Safety • Always disconnect the negative (black) • Disconnect the battery before repairing the battery cable before disconnecting the machine.
  • Page 47: Servicing The Fuses

    Installing the Battery Note: Do not run the machine with the battery disconnected, electrical damage may occur. Note: Position the battery in the tray with the terminal posts opposite from the hydraulic tank. g000960 Figure 49 1. Positive battery post 3.
  • Page 48: Drive System Maintenance

    Drive System Align the levers in the front-to-rear position by bringing the levers together to the N EUTRAL Maintenance position, and slide them until they are aligned, then tighten the bolts (Figure 52). 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.
  • Page 49: Checking The Tire Pressure

    Checking the Tire Pressure Adjusting the Caster-Pivot Bearing Service Interval: Every 50 hours/Monthly (whichever comes first) Service Interval: Every 500 hours/Yearly (whichever Rear tire air pressure specification: 124 kPa (18 comes first) psi). Park the machine on a level surface, disengage Note: the blade-control switch, and engage the parking The caster tires are semi-pneumatic tires and...
  • Page 50: Servicing The Gearbox

    Checking the Gearbox-Oil Level Every 400 hours Service Interval: Every 50 hours If the oil becomes contaminated, contact your Toro Distributor because the system must be flushed. Use SAE 75W-90 synthetic gear lube. Contaminated oil looks milky or black when compared Park the machine on a level surface and engage to clean oil.
  • 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 a hot radiator and surrounding parts can cause severe burns. – Always allow the engine to cool at least 15 g227787 Figure 57 minutes before removing the radiator cap.
  • Page 52: Changing The Engine Coolant

    Note: If debris remains, repeat until clean. Operate engine until the engine thermostat opens and the coolant is circulating through the Lower the hood. radiator core. Start the engine to ensure that the fan functions As air purges from the engine block and the properly.
  • Page 53: Brake Maintenance

    Brake Maintenance Adjusting the Parking Brake Service Interval: After the first 100 hours Every 400 hours Check to ensure that parking brake is adjusted properly. This procedure must be followed after the first 100 hours or when a brake component has been removed or replaced.
  • Page 54: Belt Maintenance

    Belt Maintenance Repeat steps through until a visible gap is achieved and the wheel hub rotates freely. Repeat this procedure for the other side. Inspecting the Belts Note: The brake should fully disengage when the brake is in the released position. Service Interval: Every 50 hours Rotate the drive wheel release handle to Replace the belt if it is worn.
  • Page 55: Checking The Alternator-Belt Tension

    g235768 Figure 61 Rear Discharge Machine Shown g027730 Figure 63 1. Spring 3. Spring-loaded idler pulley 4. Mower belt 2. Square hole in the idler arm for the ratchet Checking the Alternator-Belt Tension Service Interval: Every 100 hours Apply 44 N (10 lb) of force to the alternator belt, midway between the pulleys.
  • Page 56: Controls System Maintenance

    Controls System Maintenance Adjusting the Control-Handle Position There are 2 height positions for the control levers—high and low. Remove the bolts to adjust the height for the operator. Park the machine on a level surface, disengage the blade-control switch (PTO), and engage the parking brake.
  • Page 57: Adjusting The Motion-Control Damper

    Note: Raise the rear of the machine up and support it The wheels should stop turning or slightly with jack stands (or equivalent support) just high creep in reverse. enough to allow the drive wheels to turn freely. Shut off the machine. Remove the electrical connection from the seat Remove the jumper wire from the wire harness safety switch, located under the bottom cushion...
  • Page 58: Hydraulic System Maintenance

    Note: If the level is not within the notched area Alternate fluids: If the Toro fluid is not available, of the dipstick, add enough high-quality hydraulic Mobil® 424 hydraulic fluid may be used. fluid to raise the level to within the notched area.
  • Page 59 Every 800 hours—Change the hydraulic fluid and filter if using Toro Premium Fill each wheel motor with approximately Transmission/Hydraulic Tractor Fluid. 1.4 L (1.5 US qt) of Toro Premium Disengage the PTO, move the motion-control Transmission/Hydraulic Tractor Fluid. levers to the N...
  • Page 60: Mower Deck Maintenance

    Mower Deck Maintenance Servicing the Cutting Blades To ensure a superior quality of cut, keep the blades g006530 Figure 73 sharp. For convenient sharpening and replacement, you may want to keep extra blades on hand. 1. Cutting edge 3. Wear/slot forming 2.
  • Page 61: Removing The Blades

    g014973 g014973 Figure 75 Figure 77 1. Blade (in position for measuring) 1. Opposite blade edge (in position for measuring) 2. Level surface 2. Level surface 3. Measured distance between blade and the surface (A) 3. Second measured distance between blade and surface (B) Rotate the same blade 180 degrees so that If the difference between A and B is greater the opposing cutting edge is now in the same...
  • Page 62 Replace a blade if it hits an object, if the blade is out of balance, or if the blade 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 nonconformance with safety standards.
  • Page 63: Leveling The Mower Deck

    Sharpening the Blades bolt. Use Figure 80 for the correct placement of the mower blades. Use a file to sharpen the cutting edge at both Install the left and center blades, curved ends of the blade (Figure 81). washers, and blade bolts to the spindle shafts Note: Maintain the original angle.
  • Page 64 Raise the discharge deflector (side discharge mowers only). Measure from the level surface to the front tip of the center blade (Figure 84). Note: The measurement should read 7.6 mm (3 inches). In most conditions, the back tips on the side blades should be adjusted as follows: •...
  • Page 65 adjustment bolt by rotating it counterclockwise (Figure 88). Note: Loosen or tighten the single-point adjustment bolt enough to move the height-of-cut plate mounting bolts at least 1/3 the length of the available travel in their slots. This regains some up and down adjustment on each of the 4 deck links.
  • Page 66: Replacing The Grass Deflector

    Replacing the Grass position and ensure that it rotates into the full down position. Deflector Side-Discharge Machines Only WARNING An uncovered discharge opening could allow the machine to throw objects toward you or bystanders, resulting in serious injury. Also, contact with the blade could occur. Never operate the machine unless you install a mulch plate, discharge deflector, or grass collection system.
  • Page 67: Cleaning

    Cleaning Storage Storage Safety Cleaning the Engine and • Shut off the engine, remove the key, wait for all Exhaust System Area moving parts to stop, and allow the machine to cool before storing it. Service Interval: Before each use or daily—Clean the engine and exhaust system area.
  • Page 68 Prepare the machine for storage when non-use occurs over 30 days. Prepare the machine for storage as follows: 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).
  • Page 69: Troubleshooting

    Troubleshooting Problem Possible Cause Corrective Action The starter does not crank. 1. The blade-control switch is engaged. 1. Disengage the blade-control switch. 2. The parking brake is disengaged. 2. Engage the parking brake. 3. The motion-control levers are not in 3.
  • Page 70 Problem Possible Cause Corrective Action The machine does not drive. 1. The bypass valves are not closed tight. 1. Tighten the bypass valves. 2. The pump belt is worn, loose, or 2. Change the belt. broken. 3. The pump belt is off a pulley. 3.
  • Page 71: Schematics

    Schematics SWITCH PTO SWITCH SEAT BRAKE SWITCH NEUTRAL NEUTRAL SWITCH g229105 Electrical Schematic—Machine with Horizon Display Monitor (Rev. A)
  • Page 72 POWER DISTRIBUTION MODULE TO HARNESS B CONNECTOR 43 g229107 Electrical Schematic—Yanmar Engine 3TNV80FT (Rev. A)
  • Page 73 g229106 Electrical Schematic—Yanmar Engine 3TNV88C (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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