Toro 74960 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. 74960—Serial No. 400000000 and Up
Model No. 74961—Serial No. 400000000 and Up
Form No. 3413-627 Rev C
Professional 6000
®
Side
*3413-627* C

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Summary of Contents for Toro 74960

  • Page 1 Z Master ® Professional 6000 Series Riding Mower with 60in or 72in TURBO FORCE ® Side Discharge Mower Model No. 74960—Serial No. 400000000 and Up Model No. 74961—Serial No. 400000000 and Up *3413-627* C Register at www.Toro.com. Original Instructions (EN)
  • Page 2 Whenever you need service, genuine Toro parts, or additional information, contact an Authorized Service Dealer or Toro Customer Service and have the model and serial numbers of your product ready. Figure 1 identifies the location of the model and serial numbers on the product.
  • Page 3: Table Of Contents

    Contents Checking the Spark Arrester ......46 Fuel System Maintenance ........46 Replacing the Fuel Filter ........46 Safety ............... 4 Servicing the Fuel Tank........47 General Safety ........... 4 Electrical System Maintenance ......47 Slope Indicator ........... 5 Electrical System Safety ........47 Safety and Instructional Decals ......
  • Page 4: Safety

    Safety This machine has been designed in accordance with ANSI B71.4-2012. General Safety This product is capable of amputating hands and feet and of throwing objects. Always follow all safety instructions to avoid serious personal injury. Using this product for purposes other than its intended use could prove dangerous to you and bystanders.
  • Page 5: 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 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. decal58-6520 58-6520 decal106-2655 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 7 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. decal114-4466 2. To avoid injury or death from a rollover accident, keep the 114-4466 roll bar in the fully raised and locked position and wear the seat belt.
  • Page 8 decal116-1716 116-1716 1. Fuel 6. Hour meter 2. Empty 7. PTO 3. Half 8. Parking brake 4. Full 9. Neutral 5. Battery 10. Operator-presence switch decal136-5508 136-5508 For 60-inch Decks Only 1. Belt routing decal116-4858 116-4858 decal116-5988 116-5988 1. Parking brake—engaged 2.
  • Page 9 decal117-3864 117-3864 1. Read the Operator’s 2. Fill to bottom of filler neck; Manual. warning—do not overfill the tank. decalbatterysymbols Battery Symbols decal117-0346 117-0346 Some or all of these symbols are on your battery 1. Fuel leak hazard—read the Operator's Manual; do not 1.
  • Page 10 decal120-5897 120-5897 1. Choke control 4. Slow 2. Fast 5. Power takeoff (PTO), Blade-control switch decal126-4398 3. Continuous-variable 126-4398 setting 1. Read the Operator’s 3. Unlock Manual 2. Lock decal126-2055 126-2055 1. Wheel lug nut torque 129 N∙m (95 ft-lb) (4x) 2.
  • Page 11 decal125-9383 125-9383 1. Check hydraulic oil 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

    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 Fuel Gauge The fuel gauge is located with the hour meter, and the bars light up when the ignition switch is in the O position (Figure...
  • Page 14: Specifications

    A selection of Toro approved attachments and accessories is available for use with the machine to enhance and expand its capabilities. Contact your Authorized Service Dealer or Distributor or go to www.Toro.com for a list of all approved attachments and accessories.
  • Page 15: 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 16: Using Stabilizer/Conditioner

    Using Stabilizer/Conditioner Use a fuel stabilizer/conditioner in the machine to provide the following benefits: • Keeps fuel fresh during storage of 90 days or less (drain the fuel tank when storing the machine for more than 90 days) • Cleans the engine while it runs •...
  • Page 17: Using The Rollover-Protection System

    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: During Operation

    DANGER CAUTION Operating the machine on wet grass or steep This machine produces sound levels in slopes can cause sliding and loss of control. excess of 85 dBA at the operator’s ear and can cause hearing loss through extended • Do not operate on slopes greater than 15 periods of exposure.
  • Page 19: Operating The Parking Brake

    Do not use the machine as a towing vehicle. • Do not change the governor speed or overspeed the engine. • Use accessories and attachments approved by Toro only. Rollover Protection System (ROPS) Safety • Do not remove the roll bar from the machine. g027334 Figure 11 •...
  • Page 20: Operating The Mower Blade-Control Switch (Pto)

    Disengaging the Parking Brake Operating the Mower Blade-Control Switch (PTO) The blade-control switch (PTO) starts and stops the mower blades and any powered attachments. Engaging the Blade-Control Switch (PTO) Note: Engaging the blade-control switch (PTO) with the throttle position at half or less causes excessive g027334 wear to the drive belts.
  • Page 21: Operating The Throttle

    Disengaging the Blade-Control Operating the Throttle Switch (PTO) You can move the throttle control between the F and S positions (Figure 15). Always use the F position when turning on the mower deck with the blade-control switch (PTO). g009174 Figure 14 g008946 Figure 15 Operating the Choke...
  • Page 22: Operating The Ignition Switch

    Operating the Ignition Switch Turn the ignition key to the S position TART (Figure 17). Note: When the engines starts, release the key. Important: Do not engage starter for more than 5 seconds at a time. If the engine fails to start allow a 15 second cool-down period between attempts.
  • Page 23: Starting And Shutting Off The Engine

    Starting and Shutting Off Note: Additional starting cycles may be required when starting the engine for the first the Engine time after the fuel system has been without fuel completely. Starting the Engine Raise the roll bar up and lock it into place, sit on the seat, and fasten the seat belt.
  • Page 24: Using The Safety-Interlock System

    Using the Safety-Interlock System CAUTION 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 25: Using The Motion-Control Levers

    Testing the Safety-Interlock Using the Motion-Control System 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. Sit on the seat, engage the parking brake and move the blade-control switch (PTO) to the O position.
  • Page 26 Driving Forward CAUTION Note: Machine can spin very rapidly. Operator may The engine stops when you move the traction-control with the parking brake engaged. lose control of machine and cause personal injury or damage to machine. To stop, pull the motion-control levers to the N EUTRAL position.
  • Page 27: Stopping The Machine

    Driving Backward Stopping the Machine Move the levers to the center, unlocked position. To stop the machine, move the traction-control levers to neutral, and then move them to the locked position, To go backward, slowly pull the motion-control disengage the blade-control switch (PTO), and turn levers rearward (Figure 24).
  • Page 28: Adjusting The Height Of Cut

    Adjusting the Height of Cut Using the Transport Lock The transport lock has 2 positions, and is used with the deck-lift pedal. There is a L position and a position for the transport position (Figure 25). NLOCK...
  • Page 29 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 relocating the clevis pin into different hole locations. Move the transport lock to the lock position. Push on the deck-lift pedal with your foot, and raise the mower deck to the transport position (also the 140 mm (5-1/2 inches) cutting height...
  • Page 30: Adjusting The Anti-Scalp Rollers

    g000942 Figure 27 1. Anti-scalp roller 4. Flange nut 2. Spacer 5. Bolt 3. Bushing g027343 Figure 26 1. Deck-lift pedal 3. Transport lock 2. Height-of-cut pin Adjusting the Anti-Scalp Rollers Whenever you change the height-of-cut, it is recommended to adjust the height of the anti-scalp g000943 Figure 28 rollers.
  • Page 31: Adjusting The Flow Baffle Cam Locks

    Adjusting the Flow Baffle Positioning the Flow Baffle Cam Locks The following figures are only recommendations for use. Adjustments vary by grass type, moisture This procedure is applicable only to machines with the content, and the height of the grass. flow-baffle locks.
  • Page 32: Positioning The Seat

    Position C Unlatching the Seat This is the full open position. The suggested use for To unlatch the seat, push the seat latch forward this position is as follows: (Figure 35). • Tall, dense grass mowing conditions • Wet conditions •...
  • Page 33: 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 After Operation more slowly.
  • Page 34: Using The Fuel-Shutoff Valve

    Using the Fuel-Shutoff The drive-wheel-release valves are located in the back of each hydraulic-drive unit, under the seat. Valve Note: Make sure that the release valves are in the fully horizontal position when operating the machine The fuel-shutoff valve is located under the seat. Move or severe damage to the hydraulic system can occur.
  • Page 35 g028043 Figure 39 1. Back the machine up the 2. Drive the machine forward ramp. down the ramp. Important: Do not use narrow individual ramps for each side of the machine. WARNING Loading a machine onto a trailer or truck increases the possibility of tip-over and could cause serious injury or death.
  • 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

    • To ensure optimum performance and continued safety certification of the machine, use only Procedures genuine Toro replacement parts and accessories. Replacement parts and accessories made by other manufacturers could be dangerous, and Maintenance and Storage such use could void the product warranty.
  • Page 38: Lubrication

    Lubrication Adding Light Oil or Spray Lubrication Grease more frequently when operating conditions are extremely dusty or sandy. Service Interval: Every 100 hours Grease Type: No. 2 general-purpose lithium-based Lubricate the deck lift pivots. or molybdenum-based grease Disengage the blade-control switch (PTO), move the motion-control levers to the N EUTRAL LOCK...
  • Page 39: Greasing The Mower

    Greasing the Mower Service Interval: Every 50 hours—Grease the mower deck spindles and idler arm. Yearly—Grease the pump belt idler arm. Yearly—Grease the front caster pivots (more often in dirty or dusty conditions). Yearly—Repack the front caster wheel bearings (more often in dirty or dusty conditions). Important: Make sure that the cutting unit spindles are full of grease weekly.
  • Page 40: Lubricating The Caster-Wheel Hubs

    Lubricating the Caster-Wheel Hubs Service Interval: Yearly Shut off the engine, wait for all moving parts to stop, remove the key, and engage the parking brake. g027339 Figure 46 Grease the caster-wheel bearings (Figure 46). g006115 Figure 47 1. Seal guard 2.
  • Page 41: Engine Maintenance

    Engine Maintenance With the open end of the wheel facing up, fill the area inside the wheel around the axle full of general-purpose grease. WARNING Insert the second bearing and new seal into the wheel. Contact with hot surfaces may cause personal injury.
  • Page 42: Servicing The Engine Oil

    Servicing the Engine Oil Gently slide the primary filter out of the air-cleaner body (Figure 48). Avoid knocking the filter into the side of the body. Oil Type: Detergent oil (API service SG, SH, SJ, or higher) Remove the safety filter only if you intend to replace it.
  • Page 43 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. Start the engine and let it run for 5 minutes. g008804 Note: This warms the oil so that it drains better.
  • Page 44: Servicing The Spark Plug

    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 52). g008804 g027660 Figure 52 Start the engine and drive to a flat area. Check the oil level again.
  • Page 45 Removing the Spark Plug Shut off the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. Disengage the blade-control switch (PTO), move the motion-control levers to the N EUTRAL LOCK position, and set the parking brake. g008803 Remove the left hand hydraulic-unit shroud in the order listed in...
  • Page 46: Checking The Spark Arrester

    Installing the Spark Plug Fuel System Tighten the spark plug(s) to 22 N∙m (16 ft-lb). Maintenance Replacing the Fuel Filter Service Interval: Every 500 hours/Yearly (whichever comes first) (more often in dirty or dusty conditions). The fuel filter is located near the engine on the front or rear side of the engine.
  • Page 47: Servicing The Fuel Tank

    Servicing the Fuel Tank Electrical 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. Electrical System Safety • Disconnect the battery before repairing the machine.
  • Page 48 Removing the Battery Installing the Battery Note: Position the battery in the tray with the terminal WARNING posts opposite from the hydraulic tank (Figure 59). Battery terminals or metal tools could short against metal machine components causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury.
  • Page 49: Servicing The Fuses

    Drive System Maintenance Checking the Seat Belt Service Interval: Before each use or daily Visually inspect seat belt for wear, cuts, and proper operation of retractor and buckle. Replace before operating if damaged. Checking the Rollover g000960 Figure 61 Protection System (ROPS) 1.
  • Page 50: Adjusting The Tracking

    If it tracks to the left, loosen the bolts and adjust the right stop plate rearward on the right T-slot until the machine tracks straight (Figure 64). Tighten the stop plate (Figure 64). g027340 Figure 64 Left control lever shown g008943 Figure 63 1.
  • Page 51: Checking The Wheel-Lug Nuts

    g001055 Figure 65 Checking the Wheel-Lug Nuts Check and torque the wheel lug nuts to 122 to 129 g027341 N∙m (90 to 95 ft-lb). Figure 66 1. Slotted nut Checking the Wheel-Hub Slotted Nut Adjusting the Caster-Pivot Service Interval: After the first 100 hours Bearing Every 500 hours Service Interval: Every 500 hours/Yearly (whichever...
  • Page 52: Using The Clutch Shim

    Removing the Clutch Shim Shut off the engine, wait for all moving parts to stop, remove the key, engage the parking brake, and allow the machine to cool completely. Using an air compressor, blow out any debris from under the brake pole and around the brake spacers (Figure 69).
  • Page 53 Using needle-nose pliers, or by hand, hold the tab and remove the shim (Figure 71). Note: Do not discard the shim until the clutch function properly. g010873 Figure 73 1. Feeler gauge • If the gap is less than 0.25 mm (0.01 g010871 Figure 71 inch), then install the shim;...
  • Page 54: 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 Disengage the blade-control switch (PTO) and Service Interval: Before each use or daily engage the parking brake. Shut off the engine, remove the key, and wait Remove any buildup of grass, dirt, or other debris for all moving parts to stop before leaving the...
  • Page 55: 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 Disengage the blade-control switch (PTO) and engage the parking brake. Service Interval: After the first 100 hours Shut off the engine, remove the key, and wait Every 500 hours thereafter for all moving parts to stop before leaving the operating position.
  • Page 56: 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 57: Replacing The Hydraulic Pump-Drive Belt

    g027730 Figure 80 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 Replacing the Hydraulic Figure 79 Pump-Drive Belt 1. Clutch pulley 5. Square hole in the idler arm for the ratchet 2.
  • Page 58: 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. Disengage the blade-control switch (PTO), move the motion-control levers to the N EUTRAL LOCK position, and engage the parking brake.
  • Page 59: Adjusting The Motion-Control Linkage

    Remove the electrical connection from the seat safety switch, located under the bottom cushion of the seat. Note: The switch is a part of the seat assembly. Temporarily install a jumper wire across the terminals in the connector of the main wire harness.
  • Page 60: Adjusting The Motion-Control Damper

    Adjusting the Motion the lever, allow the reverse-indicator springs to bring the levers back to neutral. Control Neutral-Lock Pivot Note: The wheels must stop turning or slightly creep in reverse. You can adjust the flanged nut to obtain a more desired motion-control lever resistance when moving Shut off the machine, remove the jumper wire it to the N...
  • Page 61: Hydraulic System Maintenance

    Seek immediate medical attention if fluid is injected into skin. Injected fluid must be surgically removed within a few hours by a doctor. Servicing the Hydraulic System Hydraulic-Fluid Type: Toro ® HYPR-OIL ™ hydraulic fluid or Mobil ® 1 15W-50.
  • Page 62 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 63: Mower Deck Maintenance

    Mower Deck Install the replacement hydraulic filter. Install the pump-drive belt and the mower belt. Maintenance Remove the jack stands and lower the machine (Figure 88). Leveling the Mower Deck Add fluid to the hydraulic reservoir and check for any leaks. Clean up any spilled fluid.
  • Page 64 Note: To increase the height, turn the adjustment nut clockwise; to decrease, turn it counterclockwise. Note: If the front deck links do not have enough adjustment to achieve accurate cut height, you can use the single-point adjustment to gain more adjustment. g008965 Figure 90 1.
  • Page 65 Note: In most conditions, the back blade tip should be adjusted 6.4 mm (1/4 inch) higher than the front. Torque the 2 bolts to 37 to 45 N∙m (27 to 33 ft-lb). On both sides of the deck, measure from the level surface to the back tip of the blade (postion B) as shown in Figure...
  • Page 66: Servicing The Cutting Blades

    Servicing the Cutting Inspecting the Blades Blades Service Interval: Before each use or daily Inspect the cutting edges (Figure 95). To ensure a superior quality of cut, keep the blades If the edges are not sharp or have nicks, remove sharp.
  • Page 67 (Figure 98). conformance of the machine, use genuine Toro replacement blades. Replacement blades made by other manufacturers may result in nonconformance with safety standards. Hold the blade end using a rag or a g000553 thickly-padded glove.
  • Page 68: Removing The Mower Deck

    Removing the Mower Deck Repeat this procedure until the blade is balanced. Before servicing or removing the mower deck, lock out the spring-loaded deck arms. Installing the Blades WARNING Install the blade onto the spindle shaft (Figure 100). Deck-lift-arm assemblies have stored energy. Important: Removing the deck without releasing the The curved part of the blade...
  • Page 69 g009197 Figure 102 g009038 1. Right stabilizer Figure 101 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 70: Replacing The Grass Deflector

    Replacing the Grass Cleaning Deflector Cleaning under the Mower WARNING Service Interval: Before each use or daily An uncovered discharge opening could allow Disengage the blade-control switch (PTO), move the lawn mower to throw objects at you or the motion-control levers to the N EUTRAL LOCK bystanders, resulting in serious injury.
  • Page 71: Storage

    Storage Note: A fuel stabilizer/conditioner is most effective when mixed with fresh fuel and used at all times. Cleaning and Storing the Run the engine to distribute conditioned fuel through the fuel system (5 minutes). Machine Shut off the engine, allow it to cool, and Disengage the blade-control switch (PTO), drain the fuel tank;...
  • Page 72: 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 disengaged. 2. Engage the parking brake. 3. The motion-control levers are not in 3.
  • Page 73 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 74: Schematics

    Schematics g009180 Electrical Schematic (Rev. A)
  • Page 75 Notes:...
  • Page 76 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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Z master professional 6000 series74961

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