Toro 75968 Operator's Manual
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Toro 75968 Operator's Manual

Toro 75968 Operator's Manual

With 52in, 60in, or 72in turbo force side discharge mower
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Original Instructions (EN)
Z Master
®
Series Riding Mower
with 52in, 60in, or 72in TURBO FORCE
Discharge Mower
Model No. 74960—Serial No. 402090000 and Up
Model No. 74961—Serial No. 402100000 and Up
Model No. 75967—Serial No. 402080000 and Up
Model No. 75968—Serial No. 402100000 and Up
Model No. 78924—Serial No. 401000000 and Up
Form No. 3424-263 Rev A
Professional 6000
®
Side
*3424-263* A

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Summary of Contents for Toro 75968

  • Page 1 Model No. 74960—Serial No. 402090000 and Up Model No. 74961—Serial No. 402100000 and Up Model No. 75967—Serial No. 402080000 and Up Model No. 75968—Serial No. 402100000 and Up Model No. 78924—Serial No. 401000000 and Up *3424-263* A Register at www.Toro.com.
  • Page 2 Whenever you need service, genuine Toro parts, or WARNING additional information, contact an Authorized Service CALIFORNIA Dealer or Toro Customer Service and have the model Proposition 65 Warning and serial numbers of your product ready. Figure 1 identifies the location of the model and serial numbers Diesel engine exhaust and some of its on the product.

  • Page 3: Table Of Contents

    Contents This manual identifies potential hazards and has safety messages identified by the safety-alert symbol (Figure 2), which signals a hazard that may cause Safety ............... 4 serious injury or death if you do not follow the General Safety ........... 4 recommended precautions.

  • Page 4: Safety

    Safety Servicing the Spark Plug........43 Checking the Spark Arrester ......45 Fuel System Maintenance ........45 This machine has been designed in accordance with Replacing the Fuel Filter ........45 ANSI B71.4-2012. Servicing the Fuel Tank........45 Electrical System Maintenance ......46 Electrical System Safety ........

  • 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 decal106-5517 106-5517 1. Warning—do not touch the hot surface. decal110-2067 110-2067 decal110-2068 110-2068 1. Read the Operator's Manual. decal112-9028 112-9028 1. Warning—stay away from moving parts; keep all guards in place. decal107-3069 107-3069 1. Warning–there is no rollover protection when the roll bar is down.
  • Page 8 decal116-5988 116-5988 Machines without MyRide™ Only 1. Parking brake—engaged 2. Parking brake—disengaged decal115-7445 115-7445 Machines with a 183 cm (72 inch) Deck Only decal116-8726 1. Grease pulleys and spindles 116-8726 2. Maintenance interval—50 hours 1. Read the Operator’s Manual for the recommended hydraulic fluid.
  • Page 9 decal120-5898 decal117-3848 120-5898 117-3848 1. Choke 4. Slow 1. Thrown object hazard—keep bystanders a safe distance 2. Fast 5. Power takeoff (PTO), away from the machine. blade-control switch 2. Thrown object hazard, mower—do not operate the machine 3. Continuous-variable without the deflector, discharge cover, or grass collection setting system in place.
  • Page 10 decal126-4659 126-4659 1. Warning—hot pulley; allow to cool. decal136-5508 136-5508 Machines with a 132 (52 inch) or 152 cm (60 inch) Deck decal127-0326 Only 127-0326 1. Belt routing 1. Read the Operator's 3. Remove the key from Manual. the ignition and read the Operator's Manual before performing maintenance or servicing the machine.
  • Page 11 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 12 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 those conditions on that day and at that site.

  • Page 13: Product Overview

    Controls Product Overview Become familiar with all the controls before you start the engine and operate the machine (Figure 4 Figure Control Panel g029631 Figure 4 8. Rear-shock assembly 1. Side-discharge deflector g008951 (machines with MyRide™ Figure 5 only) 1. Blade-control switch 4.
  • Page 14 Contact your Authorized Service Dealer or authorized Toro distributor or go to www.Toro.com for a list of all approved attachments and accessories. To ensure optimum performance and continued safety...

  • Page 15: Specifications

    119 cm Roll bar down (47 inches) (47 inches) (47 inches) (47 inches) Weight Model Weight 74960 576 kg (1,269 lb) 74961 612 kg (1,349 lb) 75967 576 kg (1,269 lb) 75968 612 kg (1,349 lb) 78924 520 kg (1,147 lb)

  • Page 16: Before Operation

    Operation containers on the ground, away from your vehicle before filling. • Remove the equipment from the truck or trailer Note: Determine the left and right sides of the and refuel it while it is on the ground. If this is not machine from the normal operating position.
  • Page 17 Using Stabilizer/Conditioner Use a fuel stabilizer/conditioner in the machine to provide the following benefits: • Keeps fuel fresh longer when used as directed by the fuel-stabilizer manufacturer • Cleans the engine while it runs • Eliminates gum-like varnish buildup in the fuel system, which causes hard starting Important: Do not use fuel additives...

  • Page 18: Performing Daily Maintenance

    Performing Daily Lower the roll bar to the down position (Figure Maintenance Before starting the machine each day, perform the Each Use/Daily procedures listed in Maintenance (page 36). 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 19: Using The Safety-Interlock System

    Using the Safety-Interlock Testing the Safety-Interlock System System Service Interval: Before each use or daily WARNING Test the safety-interlock system before you use the machine each time. If the safety system does not If the safety-interlock switches are operate as described below, have an Authorized disconnected or damaged, the machine could Service Dealer repair the safety system immediately.

  • Page 20: Positioning The Seat

    Positioning the Seat Machines without MyRide™ Suspension System The seat can move forward and backward. Position the seat where you have the best control of the To unlatch the seat, push the seat latch forward machine and are most comfortable (Figure 10).

  • Page 21: Adjusting The Myride™ Suspension System

    Adjusting the MyRide™ Adjust the rear-shock assemblies (Figure 15). Suspension System Machines with MyRide™ Suspension System Only The MyRide™ suspension system adjusts to provide a smooth and comfortable ride. You can adjust the rear 2-shock assemblies to quickly and easily change g030024 the suspension system.

  • Page 22: During Operation

    • Use only accessories and attachments approved • Never carry passengers on the machine and keep by Toro. bystanders and pets away from the machine • This machine produces sound levels in excess during operation.

  • Page 23: Entering The Operator's Position

    injury or death. The operator is responsible for safe slope operation. Operating the machine on 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. –...

  • Page 24: Operating The Parking Brake

    Operating the Parking Operating the Mower Brake Blade-Control Switch (PTO) The blade-control switch (PTO) starts and stops the Always engage the parking brake when you stop the mower blades and any powered attachments. machine or leave it unattended. Engaging the Blade-Control Engaging the Parking Brake Switch (PTO) Park the machine on a level surface.

  • Page 25: Operating The Choke

    Operating the Choke Starting the Engine Use the choke to start a cold engine. Important: Do not engage starter for more than 5 seconds at a time. If the engine fails to start, wait Pull up the choke knob to engage the choke 15 seconds between attempts.

  • 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: Driving Backward

    Driving Backward Using the Side Discharge Move the levers to the center, unlocked position. The mower has a hinged grass deflector that disperses clippings to the side and down toward the To go backward, slowly pull the motion-control turf. levers rearward (Figure 29).

  • Page 29: Adjusting The Height Of Cut

    Adjusting the Height of Cut Adjusting the Height-of-Cut Pin 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 Using the Transport Lock relocating the clevis pin into different hole locations. The transport lock has 2 positions, and is used with Move the transport lock to the lock position.

  • Page 30: Adjusting The Anti-Scalp Rollers

    Adjusting the Anti-Scalp Rollers Whenever you change the height-of-cut, adjust the height of the anti-scalp rollers. 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.

  • Page 31: Positioning The Flow Baffle

    Position B Use this position when bagging. Always align it with the blower opening. g027727 Figure 35 Positioning the Flow Baffle The following figures are only recommendations g005833 for use. Adjustments vary by grass type, moisture Figure 37 content, and the height of the grass. Note: If the engine power draws down and the mower ground speed is the same, open up the baffle.

  • Page 32: 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 33: After Operation

    Using the After Operation Drive-Wheel-Release After Operation Safety Valves General Safety WARNING Hands may become entangled in the rotating • Clean grass and debris from the cutting units, drive components below the engine deck, mufflers, and engine compartment to help prevent fires.

  • Page 34: Transporting The Machine

    Selecting a Trailer WARNING Loading a machine onto a trailer or truck increases the possibility of tip-over and could cause serious injury or death (Figure 41). • Use only a full-width ramp; do not use individual ramps for each side of the machine.

  • Page 35: 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 41).

  • Page 36: Maintenance

    Every 500 hours • Adjust the caster-pivot bearing. • Check the parking brake adjustment. • Change the hydraulic filters and hydraulic fluid when using Toro® HYPR-OIL™ 500 hydraulic fluid (more often in dirty or dusty conditions). • Check the battery charge.

  • Page 37: Pre-Maintenance Procedures

    CAUTION If you leave the key in the switch, someone could accidently start the engine and seriously injure you or other bystanders. Remove the key from the switch before you perform any maintenance. Pre-Maintenance Lubrication Procedures Greasing the Machine Grease more frequently when operating conditions Maintenance Safety are extremely dusty or sandy.

  • Page 38: Greasing The Mower Deck

    Greasing the Mower Deck Remove the dust cap and adjust the caster pivots. Service Interval: Yearly—Grease the pump-belt-idler Note: Keep the dust cap off until greasing is arm. done. Yearly—Grease the front caster pivots (more Remove the hex plug. often in dirty or dusty conditions). Yearly—Repack the front caster-wheel bearings Thread a grease fitting into the hole.

  • Page 39: Lubricating The Caster-Wheel Hubs

    Lubricating the Insert the assembled nut and axle into the wheel on the side of the wheel with the new seal and Caster-Wheel Hubs bearing. With the open end of the wheel facing up, fill Service Interval: Yearly the area inside the wheel around the axle full of Park the machine on a level surface, disengage general-purpose grease.

  • Page 40: Engine Maintenance

    Engine Maintenance Gently slide the primary filter out of the air-cleaner body (Figure 49). Note: Avoid knocking the filter into the side of Engine Safety the body. • Shut off the engine before checking the oil or Remove the safety filter only to replace it. adding oil to the crankcase.

  • Page 41: Servicing The Engine Oil

    Oil Type: Detergent oil (API service SF, SG, SH, SJ, or SL) Crankcase Capacity: • Model 74960, 74961, 75967, 75968: with a filter change, 1.9 L (64 fl oz); with no filter change, 1.7 L (57 fl oz) • Model 78924: with a filter change, 2.0 L (68 fl oz);...
  • Page 42 g027660 Figure 53 Dispose of the used oil at a recycling center. g027734 Figure 52 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 53).

  • Page 43: Changing The Engine-Oil Filter

    Install a new spark plug Change the engine-oil filter (Figure 54). if necessary. Type of Spark Plug: • 74960, 74961, 75967, 75968: NGK ® BPR5ES or equivalent • 78924: NGK ® BPR4ES or equivalent Air Gap: 0.75 mm (0.03 inch)

  • Page 44: Checking The Spark Plug

    Install the left hydraulic-unit shroud (Figure 55). Checking the Spark Plug Important: Do not clean the spark plug(s). Always replace the spark plug(s) when it has a black coating, worn electrodes, an oily film, or cracks. g009922 If you see light brown or gray on the insulator, the engine is operating properly.

  • Page 45: Checking The Spark Arrester

    Checking the Spark Fuel System Arrester Maintenance For Machines with a Spark Replacing the Fuel Filter Arrester Service Interval: Every 500 hours/Yearly (whichever Service Interval: Every 50 hours comes first) (more often in dusty, dirty conditions). WARNING Important: Install the fuel line hoses and secure Hot exhaust-system components may ignite with plastic ties the same as they were originally fuel vapors even after you shut off the engine.

  • Page 46: Electrical System Maintenance

    Electrical System Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the Maintenance operating position. Remove the battery as shown in Figure Electrical System Safety • Disconnect the battery before repairing the machine.

  • Page 47: Charging The Battery

    Charging the Battery Installing the Battery Note: Position the battery in the tray with the terminal WARNING posts opposite from the hydraulic tank (Figure 60). Charging the battery produces gasses that can explode. Never smoke near the battery and keep sparks and flames away from the battery.

  • Page 48: 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 the component/circuit for a malfunction or short. Checking the Seat Belt The fuses are located on the console to the right of the seat (Figure 63).

  • Page 49: Adjusting The Tracking

    Adjusting the Tracking Disengage the blade-control switch (PTO). Drive to an open flat area, move the motion-control levers to the N EUTRAL position. Move the throttle midway between fast and slow. Move both motion-control levers all the way forward until they both hit the stops in the T-slot. Check which way the machine tracks.

  • Page 50: Checking The Tire Pressure

    Checking the Tire Pressure Checking the Wheel Lug Nuts Service Interval: Every 50 hours/Monthly (whichever comes first) Check and torque the wheel lug nuts to 122 to 129 Maintain the air pressure in the rear tires at 90 kPa N∙m (90 to 95 ft-lb). (13 psi).

  • Page 51: Adjusting The Caster-Pivot Bearing

    Adjusting the Caster-Pivot Using the Clutch Shim Bearing Some later model year units have been built with clutches that contain a brake shim. When the clutch Service Interval: Every 500 hours/Yearly (whichever brake has worn to the point where the clutch no longer comes first) engages consistently, you can remove the shim to extend the clutch life.
  • Page 52 Verify that 12 V is present at the clutch connector the rotor and the armature face on both when the blade-control switch (PTO) switch is sides of the brake pole as shown in Figure engaged. Figure Measure the gap between the rotor and Note: Due to the way the rotor and the armature.

  • Page 53: Cooling System Maintenance

    Cleaning the Cooling System Engine-Cooling Fins and Maintenance Shrouds Cleaning the Engine Screen Service Interval: Every 100 hours/Yearly (whichever comes first) and Engine-Oil Cooler Park the machine on a level surface, disengage Service Interval: Before each use or daily the blade-control switch (PTO), and engage the parking brake.

  • Page 54: Checking And Cleaning The Hydraulic-Unit Shrouds

    Checking and Cleaning the Brake Maintenance Hydraulic-Unit Shrouds Adjusting the Parking Service Interval: Before each use or daily Brake Park the machine on a level surface, disengage the blade-control switch (PTO), and engage the Service Interval: After the first 100 hours parking brake.

  • Page 55: 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 56 g027730 Figure 82 1. Position the belt cover 3. Ensure that the tab is under the metal catch 2. Slide the belt cover under the side catches g009038 Figure 81 1. Clutch pulley 5. Square hole in the idler arm for the ratchet 2.

  • Page 57: Replacing The Hydraulic Pump-Drive Belt

    Replacing the Hydraulic Controls System Pump-Drive Belt Maintenance Park the machine on a level surface, disengage the blade-control switch (PTO), and engage the Adjusting the parking brake. Control-Handle Position Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the There are 2 height positions for the control operating position.

  • Page 58: Adjusting The Motion-Control Linkage

    Lower deck to the ground. Raise the rear of machine up and support it with jack stands (or equivalent support). Note: Raise the machine 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 59: Adjusting The Motion-Control Damper

    g008620 Figure 87 Right Motion Control Shown 1. Torque the locknut to 23 N∙m (17 ft-lb). The bolt must protrude past the end of the locknut after torquing. 2. Most resistance (firmest feel) 3. Damper 4. Medium resistance (medium feel) g010187 5.

  • Page 60: 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. Servicing the Hydraulic System Hydraulic-Fluid Specifications Hydraulic-Fluid Type: Toro ® HYPR-OIL ™ hydraulic fluid or Mobil ® 1 15W-50. Important: Use the specified fluid.
  • Page 61 Mobil ® 1 fluid (more often in dirty or dusty conditions). Every 500 hours—Change the hydraulic filters and hydraulic fluid when using Toro ® HYPR-OIL ™ 500 hydraulic fluid (more often in dirty or dusty conditions).

  • Page 62: Mower Deck Maintenance

    Mower Deck On both sides of the deck, measure from the level surface to the front tip of the blade (Postion Maintenance A) as shown in Figure Note: The measurement should read 7.6 mm (3 inches) Leveling the Mower Deck Leveling the Deck Park the machine on a level surface, disengage the blade-control switch (PTO), and engage the...
  • Page 63 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. g017036 Figure 96 g027344...

  • Page 64: Servicing The Cutting Blades

    Servicing the Cutting Blades To ensure a superior quality of cut, keep the blades sharp. For convenient sharpening and replacement, you may want to keep extra blades on hand. Blade Safety g006530 Figure 97 A worn or damaged blade can break, and a piece of the blade could be thrown toward you or bystanders, 1.

  • Page 65: Removing The Mower Deck

    Removing the Blades Note: If the blade is not balanced, file some metal off the end of the sail area only (Figure Replace the blades if they hit a solid object, or if the 100). blade is out of balance or bent. Hold the blade end using a rag or thickly padded glove.
  • Page 66 Remove the belt covers. Lift up the floor pan and insert a ratchet into the square hole in the deck idler (Figure 102). Rotate the deck idler clockwise and remove the mower belt (Figure 102). g024670 Figure 103 1. Right stabilizer 2.

  • Page 67: Replacing The Grass Deflector

    Replacing the Grass Cleaning Deflector Cleaning under the Mower WARNING Deck An uncovered discharge opening could allow the machine to throw objects toward you or Service Interval: Before each use or daily bystanders, resulting in serious injury. Also, Park the machine on a level surface, disengage contact with the blade could occur.

  • Page 68: Storage

    Storage Prepare the machine for storage when non-use occurs over 30 days. Prepare the machine for storage as follows: Storage Safety Add a petroleum-based stabilizer/conditioner to fuel in the • Shut off the engine, remove the key, wait for all tank.

  • 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 pulls to the left or right (with 1. The tracking needs adjustment 1. Adjust the tracking. levers fully forward) 2. The tire pressure in the drive tires is 2. Adjust the tire pressure in the drive not correct.

  • Page 71: Schematics

    Schematics g009180 Wire Diagram (Rev. A)

This manual is also suitable for:

749607496175967Z master professional 6000 series78924

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