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

Riding mower with turbo force rear discharge mower
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Original Instructions (EN)
Z Master
®
Series Riding Mower
With 96in TURBO FORCE
Mower
Model No. 74096—Serial No. 400000000 and Up
Form No. 3422-863 Rev D
Professional 7500-D
®
Rear Discharge
*3422-863*

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

  • Page 1 Form No. 3422-863 Rev D Z Master ® Professional 7500-D Series Riding Mower With 96in TURBO FORCE ® Rear Discharge Mower Model No. 74096—Serial No. 400000000 and Up *3422-863* Register at www.Toro.com. Original Instructions (EN)

  • Page 2: Figure 1

    Whenever you need service, genuine Toro parts, or included with the machine. additional information, contact an Authorized Service Dealer or Toro Customer Service and have the model Please refer to the engine manufacturer’s information and serial numbers of your product ready.

  • Page 3: Table Of Contents

    Contents serious injury or death if you do not follow the recommended precautions. Safety ............... 4 General Safety ........... 4 Slope Indicator ........... 5 g000502 Safety and Instructional Decals ......6 Figure 2 Product Overview ........... 12 Safety-alert symbol Controls ............13 Horizon Display Monitor ........

  • Page 4: Safety

    Safety Checking the Fuel Lines and Connections..........41 Electrical System Maintenance ......41 This machine has been designed in accordance with Electrical System Safety ........41 ANSI B71.4-2012. Servicing the Battery......... 41 Servicing the Fuses .......... 44 Drive System Maintenance ........44 General Safety Releasing the Drive Wheel Release Valves ............

  • 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 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 decal117-3276 117-3276 1. Engine coolant under 3. Warning—do not touch the pressure hot surface. 2. Explosion hazard—read 4. Warning—read the the Operator's Manual. Operator's Manual. decal126-8383 126-8383 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.
  • Page 9 decal126-9127 126-9127 For Models with 244 cm (96-inch) Decks decal126-8760 1. Front of deck 126-8760 For Models with 244 cm (96-inch) Decks 1. Height of cut 2. Range adjustment decal126-9351 126-9351 1. Chassis (15 A) 3. Main (25 A) 2. Accessory (15 A) 4.
  • Page 10 decal135-0328 135-0328 1. Torque the wheel lug nuts 2. Read and understand to 129 N∙m (95 ft-lb). the Operator's Manual before performing any maintenance; check the torque after the first 100 hours, then every 500 hours, thereafter. decal135-0398 135-0398 1. Engine—Off 4.
  • Page 11 135-2837 1. Read the Operator’s Manual for more information; Use red Toro wet-clutch transmission fluid; do not use green hydraulic fluid. decal135-0670 135-0670 For Models with 244 cm (96-inch) Decks 2. Warning—lock the 1.
  • Page 12 Product Overview g236048 Figure 4 1. Center deck height-of-cut 5. Motion-control lever 9. Power point 13. Center deck 2. Wing deck height-of-cut pin 6. Display monitor 10. Fuel-tank cap 14. Center deck caster wheel 3. Wing deck 7. Roll bar 11.

  • Page 13: Controls

    Controls Horizon Display Monitor Refer to the Software Guide for detailed information Become familiar with all the controls before you start explaining the operator interface that allows you to the engine and operate the machine. access information, reset counters, modify system settings, and troubleshoot the equipment.
  • Page 14 Takeoff) approved attachments and accessories. To ensure optimum performance and continued safety The blade-control switch (PTO) engages and certification of the machine, use only genuine Toro disengages power to the mower blades (Figure replacement parts and accessories. Replacement The LCD indicator appears on the information screen parts and accessories made by other manufacturers when the PTO switch is disengaged.

  • Page 15: Specifications

    Specifications Operation Cutting width 243.8 cm (96 inches) Note: Determine the left and right sides of the Working width—257.3 cm machine from the normal operating position. (101-5/16 inches) Overall width Transport width set at the Before Operation 3-inches height of cut—184.2 cm (72-1/2 inches) Overall length 247.1 cm (97-1/4 inches)

  • Page 16: Adding Fuel

    Biodiesel Ready containers on the ground, away from your vehicle before filling. This machine can also use a biodiesel blended fuel • Remove the equipment from the truck or trailer of up to B20 (20% biodiesel, 80% petrodiesel). The and refuel it while it is on the ground. If this is not petrodiesel portion should be ultra low sulfur.

  • Page 17: Performing Daily Maintenance

    Using the Rollover Protection System (ROPS) WARNING To avoid injury or death from rollover, keep the roll bar in the fully raised, locked position and use the seat belt. Ensure that the seat is secured to the machine. WARNING There is no rollover protection when the roll bar is in the down position.

  • Page 18: 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 19: Positioning The Seat

    Testing the Safety-Interlock System Service Interval: Before each use or daily 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 Service Dealer repair the safety system immediately. Sit on the seat, engage the parking brake, and g019754 move the blade-control switch (PTO) to the O...

  • Page 20: During Operation

    • Never carry passengers on the machine and keep • Use only accessories and attachments approved bystanders and pets away from the machine by Toro. during operation. • This machine produces sound levels in excess • Operate the machine only in good visibility to avoid of 85 dBA at the operator’s ear and can cause...
  • Page 21 any slope requires extra caution. Before using the machine on a slope, do the following: – Review and understand the slope instructions in the manual and on the machine. – Use an angle indicator to determine the approximate slope angle of the area. –...

  • Page 22: Operating The Parking Brake

    Operating the Parking Lowering the Wing Decks Brake Important: You must unfold the wing decks before you can engage the PTO. Always engage the parking brake when you stop the Remove the clevis pin and hairpin cotter that machine or leave it unattended. secures each wing in the upright position and place them in the storage position (Figure...

  • Page 23: 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 24: Shutting Off The Engine

    Shutting Off the Engine Raising and Locking the Wing Decks CAUTION Ensure that all persons are clear of the deck Children or bystanders may be injured if they wings. move or attempt to operate the machine while Press and hold the bottom of the deck-lift switch; it is unattended.

  • Page 25: Using The Motion-Control Levers

    Using the Motion-Control Driving the Machine Levers 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 26 Driving Backward Move the levers to the center, unlocked position. To go backward, slowly pull the motion-control levers rearward (Figure 26). g008952 Figure 25 g008953 Figure 26...

  • Page 27: Adjusting The Height Of Cut

    Adjusting the Height of Cut Lock the cam lock. Repeat for the other wing deck. The cutting height of the mower deck can be adjusted from 2.54 cm to 14 cm (1 to 5-1/2 inches) in 6.4 mm If you desire additional height-of-cut range, (1/4 inch) increments.

  • Page 28: Adjusting The Anti-Scalp Rollers

    Adjusting the Anti-Scalp Rollers For maximum deck flotation, install the rollers 1 hole position lower. Rollers should maintain a 6 mm (1/4 inch) clearance to the ground. Do not adjust the rollers to support the deck. Park the machine on a level surface. Disengage the blade-control switch (PTO), move the motion-control levers to the N EUTRAL...

  • Page 29: 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 30: After Operation

    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.

  • 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 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 33).

  • Page 33: Maintenance

    • 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 34: Pre-Maintenance Procedures

    Never interfere with the intended function of a safety device or reduce the protection provided by a safety device. Check their proper operation regularly. • Use only genuine Toro replacement parts. • Check the parking brake operation frequently. Adjust and service as required.

  • Page 35: Lubricating The Grease Fittings

    Lubricating the Grease Fittings Service Interval: Yearly—Grease the front caster pivots. Yearly—Grease the idler pivot. Yearly—Grease the deck drive PTO. Every 400 hours—Grease the deck-idler pivots. Every 400 hours—Grease the caster-wheel spindles. Note: See chart for service intervals. Refer to the following chart for fitting locations and lubrication schedule.

  • Page 36: Lubricating The Caster-Wheel Hubs

    Pry out seals and inspect bearings for wear or damage and replace if necessary. Pack the bearings with a general-purpose grease. Insert 1 bearing and 1 new seal into the wheel. Note: Replace the seals. If the axle assembly is missing both spacer nuts, apply a thread-locking adhesive to 1 spacer nut and thread it onto the axle with the wrench flats facing outward.

  • Page 37: Engine Maintenance

    Engine Maintenance Servicing the Air Cleaner Service Interval: Every 400 hours Engine Safety Note: If the foam gasket in the cover is damaged, replace it. • Shut off the engine before checking the oil or Important: adding oil to the crankcase. Avoid using high-pressure air, which could force dirt through the filter into the intake •...

  • Page 38: Servicing The Engine Oil

    Crankcase capacity: 6.6 L (7 US qt) with the filter Preferred engine oil: Toro Premium Engine Oil If using an alternate oil, use high-quality, low-ash engine oil that meets or exceeds the following specifications: •...
  • Page 39 Service Interval: 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 40: Fuel System Maintenance

    Changing the Water Fuel System Separator Maintenance Service Interval: Every 400 hours—Replace the WARNING fuel-filter canister for the water separator (more often in dirty and Fuel-system components are under high dusty conditions). pressure. The use of improper components can result in system failure, fuel leakage, and possible explosion.

  • Page 41: Inspecting The Engine-Valve Clearance

    Inspecting the Engine-Valve Electrical System Clearance Maintenance Service Interval: Every 800 hours Electrical System Safety Inspect the engine-valve clearance. Refer to the engine owner’s manual. • Disconnect the battery before repairing the machine. Disconnect the negative terminal first Checking the Fuel Lines and the positive last.
  • Page 42 Charging the Battery Voltage Percent Maximum Charging Reading Charge Charger Interval Settings WARNING 12.6 V or 100% 16 V/7 A No charging Charging the battery produces gasses that greater required can explode. 12.4 V to 12.6 75% to 100% 16 V/7 A 30 minutes Never smoke near the battery and keep sparks 12.2 V to 12.4...
  • Page 43 Jump-Starting the Machine voltage. These instructions are for negative ground systems only. Check the weak battery for terminal corrosion Connect the positive (+) cable to the positive (+) (white, green, or blue “snow”). terminal of the discharged battery that is wired You must clean it off prior to jump-starting.

  • Page 44: Servicing The Fuses

    Servicing the Fuses Drive System Maintenance The electrical system is protected by fuses. It requires no maintenance, however, if a fuse blows check component/circuit for malfunction or short. Releasing the Drive Wheel Unlatch the engine hood and raise the engine hood to gain access to the fuse block.

  • Page 45: Adjusting The Tracking

    Adjusting the Tracking Park the machine on a level surface, disengage the blade-control switch, 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. Move the throttle midway between F Slow.

  • Page 46: 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 47: 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 48: Cooling System Maintenance

    Cooling System Close the hood. Maintenance Cleaning the Radiator Service Interval: Every 50 hours—Clean the Cooling System Safety engine-cooling system (more often in dirty and dusty conditions). • Swallowing engine coolant can cause poisoning; keep out of reach from children and Clean the radiator to prevent the engine from pets.

  • Page 49: Brake Maintenance

    Brake Maintenance Remove the coolant hose from the oil cooler and drain the coolant from the engine block (Figure 57). Adjusting the Parking Brake Service Interval: After the first 100 hours Every 400 hours Check to ensure that parking brake is adjusted properly.
  • Page 50 Repeat steps through until a visible gap is achieved and the wheel hub rotates freely. Repeat this procedure for the other side. Note: The brake should fully disengage when the brake is in the released position. Rotate the drive wheel release handle to the operating position;...

  • Page 51: Belt Maintenance

    Belt Maintenance Remove the belt from the mower deck pulleys (Figure 60). Inspecting the Belts Service Interval: Every 50 hours Check the belts whenever they squeal while rotating, the blades slip while cutting grass, or if the belts have frayed edges, burn marks, or cracks. If any of these conditions occur, replace the belts.

  • Page 52: Checking The Alternator-Belt Tension

    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. If the deflection is not 10 mm (3/8 inch), loosen the alternator mounting bolts (Figure 62). g243947 Figure 61 1.

  • Page 53: 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, and engage the parking brake.

  • Page 54: Adjusting The Motion-Control Damper

    Adjusting the Temporarily install a jumper wire across the terminals in the connector of the main wire Motion-Control Damper harness. Start the engine and run it at full throttle and You can adjust the top damper-mounting bolt to obtain disengage the brake. the desired motion-control lever resistance.

  • Page 55: 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 56 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 Ruby Transmission Disengage the PTO, move the motion-control Fluid. levers to the N...

  • Page 57: Mower Deck Maintenance

    Mower Deck Insert the height-of-cut pin into the 102 mm (4 inches) location and install the lanyard. Maintenance Lock the each wing deck cam lock. Start the engine. Leveling the Mower Deck Note: The parking brake must be engaged and the motion-control levers must be out to start the engine.
  • Page 58 Adjusting the Center Deck If the deck is too low, tighten the single-point adjustment bolt by rotating it clockwise (Figure To increase the cutting height, turn the 74). adjuster screw clockwise; to decrease, turn it If the deck is too high, loosen the single-point counterclockwise.

  • Page 59: Servicing The Cutting Blades

    Servicing the Cutting The left and right wing decks have blade height adjustments with front and rear adjustment Blades points. To adjust the wing-blade height, first loosen the front and rear height-of-cut hanger To ensure a superior quality of cut, keep the blades mounting nuts.
  • Page 60 N EUTRAL LOCK the machine, use genuine Toro replacement blades. position, and engage the parking brake. Replacement blades made by other manufacturers Shut off the engine, remove the key, and wait may result in nonconformance with safety standards.

  • Page 61: Cleaning

    Sharpening the Blades Cleaning Use a file to sharpen the cutting edge at both ends of the blade (Figure 79). Cleaning the Engine and Note: Maintain the original angle. Exhaust System Area Note: The blade retains its balance if the same amount of material is removed from both cutting Service Interval: Before each use or daily—Clean the edges.

  • Page 62: Storage

    Storage Run the engine to distribute conditioned fuel through the fuel system for 5 minutes. Shut off the engine, allow it to cool, and Storage Safety drain the fuel tank. • Let the engine cool before storing the machine. Note: Start the engine and run it until it shuts off.

  • Page 63: Troubleshooting

    Troubleshooting Problem Possible Cause Corrective Action The starter does not crank. 1. The blade-control switch (PTO) is 1. Move the blade-control switch (PTO) engaged. to disengaged. 2. The parking brake is not engaged. 2. Engage the parking brake. 3. The drive levers are not in the 3.
  • Page 64 Problem Possible Cause Corrective Action The machine pulls left or right (with the 1. The tracking needs adjustment. 1. Adjust the tracking. motion-control levers fully forward). 2. The tire pressure in the drive tires is 2. Adjust the tire pressure in the drive not correct.

  • Page 65: Schematics

    Schematics g241314 Electrical Schematic—Machine with Horizon Display Monitor (Rev. A)
  • Page 66 g239212 Hydraulic Schematic (Rev. A)
  • Page 67 g232910 Electrical Schematic—Yanmar Engine 3TNV88C (Rev. A)
  • Page 68 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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