Toro 74997 Operator's Manual
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Toro 74997 Operator's Manual

With 60in or 72in turbo force side discharge mower
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Original Instructions (EN)
Z Master
®
Series Riding Mower
with 60in or 72in TURBO FORCE
Discharge Mower
Model No. 74997—Serial No. 316000001 and Up
Model No. 74998—Serial No. 316000001 and Up
Form No. 3399-254 Rev B
Professional 6000
®
Side
g029833
*3399-254* B

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Summary of Contents for Toro 74997

  • Page 1 Z Master ® Professional 6000 Series Riding Mower with 60in or 72in TURBO FORCE ® Side Discharge Mower Model No. 74997—Serial No. 316000001 and Up Model No. 74998—Serial No. 316000001 and Up g029833 *3399-254* B Register at www.Toro.com. Original Instructions (EN)

  • Page 2: Table Of Contents

    You are responsible for operating the Safe Operating Practices........... 4 product properly and safely. Toro Mower Safety ..........6 You may contact Toro directly at www.Toro.com for product Slope Indicator ............7 safety and operation training materials, accessory information, Safety and Instructional Decals ......... 8 help finding a dealer, or to register your product.
  • Page 3 Operating the Mower Blade-Control Switch Inspecting the Belts ..........54 (PTO) ...............20 Replacing the Mower Belt ........54 Operating the Throttle ..........21 Replacing the Hydraulic-Pump Drive Belt ....55 Operating the Choke..........21 Controls System Maintenance ........56 Operating the Ignition Switch ........21 Adjusting the Control-Handle Position......56 Using the Fuel-Shutoff Valve ........21 Adjusting the Motion-Control Linkage ......56 Starting and Shutting Off the Engine......22...

  • Page 4: Safety

    Operator’s Manual. Modifications to this machine should only be made by either the manufacturer or an Authorized Operation Toro Dealer. • Lightning can cause severe injury or death. If lightning This product is capable of amputating hands and feet. Follow is seen or thunder is heard in the area, do not operate all safety instructions to avoid serious injury or death.

  • Page 5: Maintenance And Storage

    Maintenance and Storage • Slow down and use caution when making turns and crossing roads and sidewalks. Stop the blades if you are • Disengage drives, set the parking brake, shut off the not mowing. engine, and remove the key or disconnect spark-plug wire. •...

  • Page 6: Toro Mower Safety

    • Do not store the machine or a fuel container inside where The following list contains safety information specific to Toro there is an open flame, such as near a water heater or products and other safety information that you must know.

  • Page 7: Slope Indicator

    Slope Indicator G011841 Figure 3 This page may be copied for personal use. 1. The maximum slope you can safely 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 8: 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 lost. 58-6520 1. Grease 106-2655 1. Warning—do not touch or approach moving belts; remove the ignition key and read the instructions before servicing or performing maintenance.
  • Page 9 110-2068 1. Read the Operator's Manual. 112-9028 1. Warning—stay away from moving parts; keep all guards in place. 107-3069 1. Warning—there is no rollover protection when the roll bar is down. 114-4466 2. To avoid injury or death from a rollover accident, keep the roll bar in the fully raised and locked position and wear 1.
  • Page 10 116-8726 1. Read the Operator’s Manual for recommended hydro oil. 115-9625 1. Parking 2. Parking brake—engaged brake—disengaged Manufacturer's Mark 1. Indicates the blade is identified as a part from the original machine manufacturer. 116-1716 117-0346 1. Fuel 6. Hour meter 1.
  • Page 11 117-3864 1. Read the Operator’s 2. Fill to bottom of filler neck; Manual. warning—do not overfill the tank. 126-4398 1. Read the Operator’s 3. Unlock Manual 2. Lock 120-5897 1. Choke 4. Slow 2. Fast 5. Power takeoff (PTO), Blade-control switch 3.
  • Page 12 Battery Symbols Some or all of these symbols are on your battery. 1. Explosion hazard 6. Keep bystanders a safe distance from the battery. 2. No fire, open flame, or 7. Wear eye protection; smoking explosive gases can cause blindness and other injuries.
  • Page 13 132-0871 1. Warning—read the Operator’s Manual; do not operate the 4. Ramp hazard—when loading onto a trailer, do not use dual machine unless you are trained; wear hearing protection. ramps; only use a singular ramp wide enough for the machine and that has an incline less than 15 degrees;...

  • Page 14: Product Overview

    Hour Meter Product Overview The hour meter records the number of hours the engine has operated. It operates when the engine is running. Use these times for scheduling regular maintenance (Figure g029631 Figure 6 Figure 4 1. Fuel gauge (bars) 4.

  • Page 15: Specifications

    Motion-Control Levers its capabilities. Contact your Authorized Service Dealer or Use the motion-control levers to drive the machine forward Distributor or go to www.Toro.com for a list of all approved and reverse, and to turn either direction. attachments and accessories.

  • Page 16: Operation

    Operation DANGER In certain conditions during fueling, static Note: Determine the left and right sides of the machine electricity can be released, causing a spark that can from the normal operating position. ignite the gasoline vapors. A fire or explosion from gasoline can burn you and others and can damage Adding Fuel property.

  • Page 17: Checking The Engine-Oil Level

    Using Stabilizer/Conditioner Use a fuel stabilizer/conditioner in the machine to provide the following benefits: • Keeps gasoline fresh during storage of 90 days or less. For longer storage it is recommended that the fuel tank be drained. • Cleans the engine while it runs g029938 •...

  • Page 18: Using The Rollover-Protection System (Rops)

    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 19: Entering The Operating Position

    Entering the Operating Position Use the mower deck as a step to get into the operating position (Figure Figure 10 3. Water 1. Safe Zone—use the machine here on slopes less than 15 degrees or flat areas. g029797 2. Danger Zone—use a Figure 9 walk-behind mower and/or a hand trimmer on slopes...

  • Page 20: Operating The Parking Brake

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

  • Page 21: Operating The Throttle

    Operating the Throttle Operating the Ignition Switch 1. Turn the ignition key to the S position (Figure 18). TART You can move the throttle control between F and S positions (Figure 16). Note: When the engine starts, release the key. Always use the F position when turning on the mower Important: Do not engage the starter for more...

  • Page 22: Starting And Shutting Off The Engine

    Starting and Shutting Off the 6. Turn the ignition key to the S position (Figure 21). TART Engine Note: When the engines starts, release the key. Important: Do not engage starter for more than 5 Starting the Engine seconds at a time. If the engine fails to start, wait 15 seconds between attempts.

  • Page 23: Using The Safety-Interlock System

    Shutting Off the Engine Using the Safety-Interlock System CAUTION Children or bystanders may be injured if they CAUTION move or attempt to operate the machine while it is If the safety-interlock switches are disconnected or unattended. damaged, the machine could operate unexpectedly, Always remove the ignition key and set the parking causing personal injury.

  • Page 24: Driving Forward Or Backward

    Testing the Safety-Interlock System Using the Motion-Control Levers 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.

  • Page 25: Driving Forward

    Driving Forward Driving Backward 1. Move the levers to the center, unlocked position. Note: The engine shuts off if you move the traction-control levers with the parking brake engaged. 2. To go backward, slowly pull the motion-control levers rearward (Figure 26).

  • Page 26: Shutting Off The Machine

    Shutting Off the Machine To shut off the machine, move the motion-control levers to neutral and then to the N position, disengage EUTRAL LOCK the blade-control switch (PTO), and turn the ignition key to the O position. Set the parking brake when you leave the machine; refer to Setting the Parking Brake (page 20).

  • Page 27: Adjusting The Anti-Scalp Rollers

    Adjusting the Height-of-Cut Pin 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 clevis pin into different hole locations. 1. Move the transport lock to the L position. 2.

  • Page 28: Adjusting The Flow-Baffle-Cam Locks

    Adjusting the Flow-Baffle-Cam Positioning the Flow Baffle Locks The following figures are only recommendations for use. Adjustments will vary by grass type, moisture content, and For Machines with Flow-Baffle Locks the height of the grass. Only Note: If the engine power draws down and the mower You can adjust the mower-discharge flow for different types ground speed is the same, open up the baffle.

  • Page 29: Positioning The Seat

    Wet conditions • Lowers the engine-power consumption • Allows increased ground speed in heavy conditions • This position is similar to the benefits of the Toro SFS mower g030021 Figure 37 Figure 35 Positioning the Seat The seat moves forward and backward. Position the seat where you have the best control of the machine and are most comfortable.

  • Page 30: Adjusting The Myride™ Suspension System

    Adjusting the MyRide™ Adjust the rear-shock assemblies (Figure 39). Suspension System The MyRide™ suspension system adjusts to provide a smooth and comfortable ride. Adjusting the rear 2-shock assemblies is the easiest and quickest adjustment for changing the suspension system. Position the suspension system where you are most comfortable.

  • Page 31: Using The Drive-Wheel Release Valves

    Remove the key. To adjust the front-shock assembly, open the floor pan and 2. Rotate the release-valve levers vertically to push the adjust it by using a spanner wrench (Toro Part No. 132-5069) machine (Figure 41). or slip-joint pliers (Figure 40).

  • Page 32: Using The Side Discharge

    Using the Side Discharge The mower has a hinged grass deflector that disperses clippings to the side and down toward the turf. DANGER Without a grass deflector, discharge cover, or a complete grass-catcher assembly mounted in place, you and others are exposed to blade contact and thrown debris.
  • Page 33 WARNING Loading a machine onto a trailer or truck increases the possibility of a tip-over and could cause serious injury or death. • Use extreme caution when operating a machine on a ramp. • Ensure that the ROPS is in the up position and use the seat belt when loading or unloading the machine.

  • Page 34: Operating Tips

    This also helps disperse clippings, which enhances blades as necessary. If a blade is damaged or worn, replace it decomposition and fertilization. immediately with a genuine Toro replacement blade. Mowing at Correct Intervals Normally, mow every 4 days. However, grass grows at different rates at different times.

  • Page 35: 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 36: Lubrication

    CAUTION If you leave the key in the ignition switch, someone could accidently start the engine and seriously injure you or other bystanders. Remove the key from the ignition before you do any maintenance. Lubrication Greasing the Mower Grease more frequently when operating conditions are Service Interval: Every 50 hours—Grease the mower-deck extremely dusty or sandy.

  • Page 37: Lubricating The Caster-Wheel Hubs

    Lubricating the Caster-Wheel 5. Grease the drive-belt idler arm (Figure 46). Hubs Service Interval: Yearly 1. Shut off the engine, wait for all moving parts to stop, remove the key, and engage the parking brake. Figure 49 Figure 47 1. Seal guard 2.

  • Page 38: Engine Maintenance

    Engine Maintenance 14. Torque the nut to 8 to 9 N∙m (75 to 80 in-lb), loosen the nut, then torque it to 2 to 3 N∙m (20 to 25 in-lb). Note: Make sure that the axle does not extend beyond WARNING either nut.

  • Page 39: Servicing The Engine Oil

    Servicing the Engine Oil 6. Remove the safety filter only if you intend to replace it. Important: Do not attempt to clean the safety Oil Type: Detergent oil (API service SG, SH, SJ, or higher) filter. If the safety filter is dirty, then the primary Oil Capacity: with a filter change, 1.9 L (64 oz);...

  • Page 40: Changing The Engine Oil

    Changing the Engine Oil Service Interval: After the first 8 hours Every 100 hours (more often in dirty or dusty conditions). Note: Dispose of the used oil at a recycling center. G029644 1. Start the engine and let it run for 5 minutes. Note: This warms the oil so that it drains better.
  • Page 41 5. 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 54). G029644 g027660 Figure 54 6. Start the engine and drive to a flat area. 7.

  • Page 42: Servicing The Spark Plug

    Servicing the Spark Plug Service Interval: Every 100 hours Make sure the air gap between the center and side electrodes is correct before installing the spark plug. Use a spark plug wrench for removing and installing the spark plug(s) and a g029645 gapping tool/feeler gauge to check and adjust the air gap.

  • Page 43: Checking The Spark Arrester

    Checking the Spark Plug Checking the Spark Arrester Important: Do not clean the spark plug(s). Always For a Model with a Spark Arrester replace the spark plug(s) when it has: a black coating, worn electrodes, an oily film, or cracks. Service Interval: Every 50 hours If you see light brown or gray on the insulator, the engine is WARNING...

  • Page 44: Fuel System Maintenance

    Servicing the Fuel Tank Fuel System Maintenance Do not attempt to drain the fuel tank. Ensure that an Authorized Service Dealer drains the fuel tank and services any components of the fuel system. Replacing the Fuel Filter Service Interval: Every 500 hours/Yearly (whichever comes first) (more often in dirty or dusty conditions).

  • Page 45: Electrical System Maintenance

    Electrical System 1. Disengage the blade-control switch (PTO), move the motion-control levers to the N position, EUTRAL LOCK Maintenance and set the parking brake. 2. Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating Servicing the Battery position.

  • Page 46: Servicing The Fuses

    Installing the Battery 1. Position battery in the tray with the terminal posts opposite from the hydraulic tank (Figure 61). 2. Install the positive (red) battery cable to the positive (+) battery terminal. 3. Install the negative (black) battery cable and ground wire to the negative (-) battery terminal.

  • 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 Rollover-Protection-System (ROPS) Knobs Service Interval: Before each use or daily WARNING...

  • Page 48: Adjusting The Tracking

    Adjusting the Tracking Checking the Tire Pressure 1. Disengage the blade-control switch (PTO). Service Interval: Every 50 hours/Monthly (whichever comes first) 2. Drive to an open, flat area and move the motion-control levers to the N position. EUTRAL LOCK Maintain the air pressure in the rear tires at 90 kPa (13 psi). Uneven tire pressure can cause uneven cut.

  • Page 49: Checking The Wheel Hub Slotted Nut

    Checking the Wheel Hub Slotted Nut 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). Note: Do not use anti-seize compound on the wheel hub. Figure 68 1.
  • Page 50 Removing the Clutch Shim Note: Do not discard the shim until you confirm that the clutch functions properly. 1. Shut off the engine, wait for all moving parts to stop, and remove the key. 2. Engage the parking brake and wait for machine to cool completely.

  • Page 51: Cooling System Maintenance

    Cooling System • If the gap is less than 0.010 inch, then install the shim and refer to Troubleshooting (page Maintenance 69). • If the gap is sufficient, proceed to the safety check in step F. Cleaning the Engine Screen F.

  • Page 52: Cleaning The Engine Cooling Fins And Shrouds

    Cleaning the Engine Cooling Cleaning the Hydraulic Units Fins and Shrouds Service Interval: Before each use or daily 1. Disengage the blade-control switch (PTO) and set the Service Interval: Every 100 hours/Yearly (whichever comes parking brake. first) 2. Shut off the engine, remove the key, and wait for all 1.

  • Page 53: Brake Maintenance

    Brake Maintenance 9. Disengage the parking brake. 10. Turn the wheel hub by hand in both directions relative to the caliper. Adjusting the Parking Brake Note: The wheel hub should move freely between Service Interval: After the first 100 hours the caliper.

  • 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

    Figure 81 Figure 82 1. Idler pulley 5. Left hydraulic-pump pulley Replacing the Hydraulic-Pump 2. Clutch pulley 6. Square hole in idler arm 3. Pump-drive belt 7. Idler spring Drive Belt 4. Right hydraulic-pump pulley 1. Disengage the blade-control switch (PTO) and set the parking brake.

  • 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. 1. Disengage the blade-control switch (PTO), move the motion-control levers to the N position, EUTRAL LOCK and set the parking brake.

  • Page 57: Adjusting The Motion-Control Damper

    Adjusting the Motion-Control 5. Start the engine. Damper Note: Engage the parking brake and move the motion-control levers out before starting the engine. You can adjust the top damper mounting bolt to obtain a You do not need to be in the seat because of the more desired motion-control lever resistance.

  • Page 58: Adjusting The Motion-Control Neutral-Lock Pivot

    See Figure 87 for adjustment EUTRAL LOCK options. System 1. Loosen the jam nut. Hydraulic Fluid Type: Toro ® HYPR-OIL ™ 500 hydraulic 2. Tighten or loosen the flanged nut to the desired feel. fluid or Mobil ® 1 15W-50.
  • Page 59 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). To replace the hydraulic fluid, you need to remove the filters.

  • Page 60: Mower Deck Maintenance

    Mower Deck Maintenance Leveling the Mower Deck Setting Up the Machine Note: Ensure that the mower deck is level before matching the height of cut (HOC). 1. Position the mower on a flat surface. 2. Disengage the blade-control switch (PTO), move the motion-control levers to the N position, EUTRAL...
  • Page 61 Figure 92 1. 7.6 cm (3 inches) at 3. Measure here from the position A is correct. blade tip to the hard surface. G017027 2. 8.3 cm (3-1/4 inches) at 4. Measure at position A and Figure 91 position B is correct. B on both sides.
  • Page 62 12. If the front deck links do not have enough adjustment 14. Tighten the 2 bolts at the bottom of the height-of-cut to achieve accurate cut height, loosen the 2 bolts at plate (Figure 94). the bottom of the height-of-cut plate to adjust the Note: For most conditions, adjust the back blade tip 4 single-point system (Figure...

  • Page 63: Servicing The Cutting Blades

    Servicing the Cutting Blades Checking for Bent Blades 1. Disengage the blade-control switch (PTO), move the To ensure a superior quality of cut, keep the blades sharp. For motion-control levers to the N position, EUTRAL LOCK convenient sharpening and replacement, keep extra blades and set the parking brake.

  • Page 64: Removing The Blades

    To ensure optimum performance and continued safety conformance of the machine, use genuine Note: Maintain the original angle. Toro replacement blades. Replacement blades made by other manufacturers may result in nonconformance with safety Note: The blade retains balance if you remove the standards.

  • Page 65: Removing The Mower Deck

    Installing the Blades Removing the Mower Deck 1. Install the blade onto the spindle shaft (Figure 101). Before servicing or removing the mower deck, lock out the spring-loaded deck arms. Important: The curved part of the blade must point upward toward the inside of the mower to WARNING ensure proper cutting.
  • Page 66 Figure 103 1. Right stabilizer Figure 102 2. Deck strut (right side shown) 1. Clutch pulley 5. Square hole in the idler 3. Remove the shoulder bolt and nut. arm for the ratchet 4. Remove the shoulder bolt and nut. 2.

  • Page 67: Replacing The Grass Deflector

    Replacing the Grass Deflector Cleaning WARNING Cleaning under the Mower An uncovered discharge opening could allow the lawn mower to throw objects at you or bystanders, Service Interval: Before each use or daily resulting in serious injury. Also, contact with the 1.

  • Page 68: Storage

    Storage D. Restart the engine and run it until it stops. E. Dispose of fuel properly. Recycle as per local codes. Cleaning and Storage Important: Do not store 1. Disengage the blade-control switch (PTO), set the stabilizer/conditioned fuel over 90 days. parking brake, and turn the ignition key to Off.

  • Page 69: 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 the disengaged position. 2. The parking brake is not engaged. 2. Set the parking brake. 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 broken. 2. Change the belt. 3. The pump belt is off a pulley. 3.

  • Page 71: Schematics

    Schematics Wire Diagram (Rev. A)
  • Page 72 Customers who have purchased Toro products outside the United States or Canada should contact their Toro Distributor (Dealer) to obtain guarantee policies for your country, province, or state. If for any reason you are dissatisfied with your Distributor's service or have difficulty obtaining guarantee information, contact the Toro importer. If all other remedies fail, you may contact us at Toro Warranty Company.

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74998Z master professional 6000 series

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