Toro 74946 Operator's Manual
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Toro 74946 Operator's Manual

With 60in and 72in turbo force side discharge mower
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Original Instructions (EN)
Z Master
®
Series Riding Mower
with 60in and 72in TURBO FORCE
Discharge Mower
Model No. 74946—Serial No. 316000001 and Up
Model No. 74947—Serial No. 316000001 and Up
Form No. 3400-952 Rev A
Professional 6000
®
Side
*3400-952* A

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  • Page 1 Z Master ® Professional 6000 Series Riding Mower with 60in and 72in TURBO FORCE ® Side Discharge Mower Model No. 74946—Serial No. 316000001 and Up Model No. 74947—Serial No. 316000001 and Up *3400-952* A Register at www.Toro.com. Original Instructions (EN)

  • Page 2: Figure 1

    California to cause cancer, birth defects, product properly and safely. or other reproductive harm. You may contact Toro directly at www.Toro.com for product This spark ignition system complies with Canadian ICES-002 safety and operation training materials, accessory information, help finding a dealer, or to register your product.

  • Page 3: Table Of Contents

    Checking the Seat Belt..........47 Safety ................4 Checking the Rollover-Protection-System (ROPS) Safe Operating Practices........... 4 Knobs...............47 Toro Mower Safety ..........6 Adjusting the Tracking ..........48 Slope Indicator ............7 Checking the Tire Pressure ........48 Safety and Instructional Decals ......... 8 Checking the Wheel Lug Nuts ........48...

  • 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, stop the engine, not mowing. and remove the key or disconnect spark-plug wire. Wait •...

  • 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 10 116-1716 1. Fuel 6. Hour meter 2. Empty 7. PTO 3. Half 8. Parking brake 4. Full 9. Neutral 5. Battery 10. Operator-presence switch 117-0346 1. Fuel leak hazard—read the Operator's Manual; do not attempt to remove the roll bar; do not weld, drill, or modify 116-4858 the roll bar in any way.
  • Page 11 126-2055 1. Wheel lug nut torque 129 N∙m (95 ft-lb) (4x) 2. Wheel hub nut torque 319 N∙m (235 ft-lb) 3. Read and understand the Operator’s manual before performing any maintenance, check torque after first 100 117-3864 hours then every 500 hours thereafter. 1.
  • Page 12 131-4036 1. Maximum drawbar pull 36 2. Read the Operator's kg (80 lb) Manual. 127-0326 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. 2. Height-of-cut 125–9383 1.
  • 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 g027333 Figure 6 Figure 4 1. Fuel gauge (bars) 4.

  • Page 15: Ignition Switch

    High-Oil Temperature Indicator Light its capabilities. Contact your Authorized Service Dealer or Distributor or go to www.Toro.com for a list of all approved This is the malfunction-indicator light found on the left side attachments and accessories.

  • Page 16: Specifications

    Weight: over the winter unless a fuel stabilizer is used. • Model Weight Do not add oil to gasoline. 74946 576 kg (1269 lb) DANGER 74947 612 kg (1349 lb) In certain conditions, gasoline is extremely flammable and highly explosive. A fire or explosion from gasoline can burn you and others and can damage property.

  • Page 17: Checking The Engine-Oil Level

    Note: A fuel stabilizer/conditioner is most effective DANGER when mixed with fresh gasoline. To minimize the chance In certain conditions during fueling, static of varnish deposits in the fuel system, use fuel stabilizer electricity can be released, causing a spark that can at all times.

  • Page 18: Breaking In A New Machine

    Breaking in a New Machine New engines take time to develop full power. Mower decks and drive systems have higher friction when they are new, placing additional load on the engine. Allow 40 to 50 hours of break-in time for new machines to develop full power and perform at their best performance.

  • Page 19: Think Safety First

    Think Safety First CAUTION This machine produces sound levels in excess of Please read all safety instructions and symbols in the safety section. Knowing this information could help you or 85 dBA at the operator’s ear and can cause hearing bystanders avoid injury.

  • Page 20: Operating The Mower Blade-Control Switch (Pto)

    Releasing the Parking Brake Operating the Throttle with Horizon™ Technology There are 3 positions that the throttle switch can operate at—Max, Economy, and Low (Figure 15). From the E (middle) position, push down the front CONOMY of the switch to place the throttle into the M position AXIMUM (Figure...

  • Page 21: Operating The Ignition Switch

    Operating the Ignition Switch Starting and Stopping the Engine 1. Turn the ignition key to the S position (Figure 16). TART Note: When the engine starts, release the key. Starting the Engine Important: Do not engage the starter for more than 5 seconds at a time.

  • Page 22: Stopping The Engine

    6. Turn the ignition key to the S position (Figure 19). TART 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, wait 15 seconds between attempts.

  • Page 23: Using The Safety-Interlock System

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

  • Page 24: Driving Forward Or Backward

    Driving Forward or Backward Driving Forward Note: The engine shuts off if you move the traction-control The throttle control regulates the engine speed as measured levers with the parking brake engaged. in rpm (revolutions per minute). Place the throttle control in the M (front) position for best performance.

  • Page 25: Stopping The Machine

    Driving Backward Stopping the Machine 1. Move the levers to the center, unlocked position. To stop the machine, move the motion-control levers to neutral and then to the N position, disengage 2. To go backward, slowly pull the motion-control levers EUTRAL LOCK the blade-control switch (PTO), and turn the ignition key to...
  • Page 26 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 27: Adjusting The Anti-Scalp Rollers

    Adjusting the Anti-Scalp Adjusting the Flow-Baffle-Cam Rollers Locks Whenever you change the height-of-cut, adjust the height This procedure is applicable only to machines with flow-baffle of the anti-scalp rollers. locks. Certain models have nuts and bolts in place of the flow-baffle locks and can be adjusted the same.

  • Page 28: Positioning The Flow Baffle

    • Tall, dense grass mowing conditions. • Wet conditions. Figure 30 • Lowering the engine power consumption. • Increased ground speed in heavy conditions. Figure 32 Note: This position is similar to the benefits of the Toro SFS mower.

  • Page 29: Positioning The Seat

    Positioning the Seat Changing the Seat Suspension The seat adjusts to provide a smooth and comfortable ride. The seat can move forward and backward. Position the seat Position the seat where you are most comfortable. where you have the best control of the machine and are most comfortable.

  • Page 30: Using The Side Discharge

    Using the Side Discharge 2. Rotate the release-valve levers vertically to push the machine (Figure 36). The mower has a hinged grass deflector that disperses Note: This allows hydraulic oil to bypass the pump, clippings to the side and down toward the turf. enabling the wheels to turn.

  • Page 31: Transporting The Machine

    Transporting the Machine Loading the Machine Use a heavy-duty trailer or truck to transport the machine. Use extreme caution when loading or the unloading machine Ensure that the trailer or truck has all necessary brakes, onto a trailer or a truck. Use a full-width ramp that is wider lighting, and marking as required by law.
  • Page 32 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 33: 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 34: Maintenance

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

  • Page 35: 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 36: Lubricating The Caster-Wheel Hubs

    Lubricating the Caster-Wheel 5. Grease the drive-belt idler arm (Figure 41). Hubs Service Interval: Yearly 1. Stop the engine, wait for all moving parts to stop, remove the key, and engage the parking brake. Figure 44 Figure 42 1. Seal guard 2.

  • Page 37: 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 38 5. Gently slide the primary filter out of the air-cleaner body (Figure 45). Note: Avoid knocking the filter into the side of the body. 6. Remove the safety filter only if you intend to replace it. Important: Do not attempt to clean the safety filter.

  • Page 39: Servicing The Engine Oil

    Servicing the Engine Oil Oil Type: Detergent oil (API service class SJ or higher) Oil Capacity: with a filter change, 2.9 L (99 oz) Viscosity: See the table below. G008804 20W-50 10W-30 SAE 30 5W-30 °F 75 80 °C g024123 Figure 47 Note: Use of synthetic oil having 5W-30 rating is acceptable up to 4°...

  • Page 40: Changing The Engine Oil

    Changing the Engine Oil 5. Slowly pour approximately 80% of the specified oil into the filler tube and slowly add the additional oil to Service Interval: After the first 8 hours bring it to the Full mark (Figure 50). Every 100 hours (more often in dirty or dusty conditions).
  • Page 41 Changing the Engine-Oil Filter Service Interval: Every 200 hours (more often in dirty or dusty conditions). 1. Drain the oil from the engine; refer to Changing the Engine Oil (page 40). 2. Change the engine-oil filter (Figure 51). G008804 g027477 Figure 51 Note: Ensure that the oil-filter gasket touches the engine, and then the oil filter an extra 3/4 turn.

  • Page 42: Servicing The Spark Plug

    Servicing the Spark Plug Service Interval: Every 200 hours—Check, clean and gap the spark plug. Make sure that the air gap between the center and side electrodes is correct before installing the spark plug. Use a spark plug wrench to remove and install the spark plug(s) and use a 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: Replace the spark plug(s) when it has: a For a Model with a Spark Arrester black coating, worn electrodes, an oily film, cracks or reuse is questionable. Service Interval: Every 50 hours If you see light brown or gray on the insulator, the engine is operating properly.

  • Page 44: Fuel System Maintenance

    Fuel System Maintenance WARNING Fuel-system components are under high pressure. The use of improper components can result in system failure, gasoline leakage, and possible explosion. Use only approved fuel lines and fuel filters. Servicing the Electronic G008963 Fuel-Injection System Figure 56 This machine contains an electronic fuel-injection system.

  • 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. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. Servicing the Battery 3.

  • Page 46: Servicing The Fuses

    Installing the Battery 1. Position the battery in the tray with the terminal posts opposite from the hydraulic tank (Figure 57). 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 Adjusting the Caster-Pivot Slotted Nut Bearing Service Interval: After the first 100 hours Service Interval: Every 500 hours/Yearly (whichever comes first) Every 500 hours 1. Disengage the blade-control switch (PTO), move the Check and ensure that the torque of the slotted nut is 286 to motion-control levers to the N position, EUTRAL...

  • Page 50: Using The Clutch Shim

    Using the Clutch Shim 5. Verify that 12 V is present at the clutch connector when the you engage the blade-control switch (PTO). Some later model year units have been built with clutches that 6. Measure the gap between the rotor and armature. If contain a brake shim.
  • Page 51 E. Using a 0.010 inch thick-feeler gauge, verify that F. Perform the following safety check: a gap is present between the rotor and armature i. Sit on the seat and start the engine. face on both sides of the brake pole as shown in Figure 69 Figure ii.

  • Page 52: Cooling System Maintenance

    Cleaning the Engine Screen Cooling System Maintenance Service Interval: Before each use or daily Before each use, remove any buildup of grass, dirt, or other debris from the engine screen. This helps ensure adequate Servicing the Engine-Oil cooling, correct engine speed, and reduces the possibility of overheating and mechanical damage to the engine.

  • Page 53: Cleaning The Hydraulic Units

    Cleaning the Hydraulic Units Service Interval: Before each use or daily 1. Disengage the blade-control switch (PTO) 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 position.

  • Page 54: Brake Maintenance

    Brake Maintenance 9. Disengage the parking brake. 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. Every 500 hours thereafter 11.

  • 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: Replacing The Hydraulic-Pump Drive Belt

    Figure 78 Figure 79 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 57: 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 58: Adjusting The Motion-Control Linkage

    Adjusting the Motion-Control 5. Start the engine. Linkage Note: Engage the parking brake and move the motion-control levers out before starting the engine. The pump-control linkages are located on either side of the You do not need to be in the seat because of the fuel tank, below the seat.

  • Page 59: Adjusting The Motion-Control Damper

    Adjusting the Motion-Control Adjusting the Motion-Control Damper Neutral-Lock Pivot You can adjust the top damper mounting bolt to obtain a You can adjust the flanged nut to obtain the desired more desired motion-control lever resistance. See Figure 83 motion-control lever resistance when you move them to for mounting options.

  • Page 60: Hydraulic System Maintenance

    Hydraulic System Maintenance Servicing the Hydraulic System Hydraulic Oil Type: Toro ® HYPR-OIL ™ 500 hydraulic oil or Mobil ® 1 15W-50. Important: Use oil specified. Other fluids could damage the hydraulic system. Each Hydraulic System Oil Capacity: 1.5 L (52 oz) per...
  • Page 61 Every 500 hours—Change the hydraulic filters and ® ™ hydraulic oil when using Toro HYPR-OIL hydraulic oil (more often in dirty or dusty conditions). To replace the hydraulic oil, you need to remove the filters. Replace both at the same time; refer to...

  • Page 62: 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 63 11. For mower decks shown in Figure 91, fine-tune the adjustment nut on the front deck-lift assembly by turning it (Figure 91). Note: To increase the height, turn the adjustment nut clockwise; to decrease the height, turn the nut counterclockwise. Note: If the front deck links do not have enough adjustment to achieve accurate cut height, you can utilize the single-point adjustment to gain more...

  • Page 64: Servicing The Cutting Blades

    Servicing the Cutting Blades 13. If the deck is too low, tighten the single-point adjustment bolt by rotating it clockwise. If the deck is To ensure a superior quality of cut, keep the blades sharp. For too high, loosen the single point adjustment bolt by convenient sharpening and replacement, keep extra blades rotating it counterclockwise (Figure...

  • Page 65: Removing The Blades

    Toro replacement blades. Replacement blades made by other 2. Stop the engine, remove the key, and wait for all moving manufacturers may result in nonconformance with safety parts to stop before leaving the operating position.

  • Page 66: Removing The Mower Deck

    Removing the Mower Deck Note: If the blade stays in a horizontal position, the blade is balanced and ready to use. Before servicing or removing the mower deck, lock out the spring-loaded deck arms. WARNING Deck-lift-arm assemblies have stored energy. Figure 98 Removing the deck without releasing the stored 1.

  • Page 67: Replacing The Grass Deflector

    9. Slide the deck out to the right side of the machine. Replacing the Grass Deflector WARNING An uncovered discharge opening could allow the lawn mower to throw objects at you or bystanders, resulting in serious injury. Also, contact with the blade could occur.

  • Page 68: Cleaning

    Cleaning Cleaning under the Mower Service Interval: Before each use or daily 1. Disengage the blade-control switch (PTO), move the motion-control levers to the N position, EUTRAL LOCK and set the parking brake. 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position.

  • Page 69: Storage

    Storage E. Dispose of fuel properly. Recycle as per local codes. Cleaning and Storage Important: Do not store stabilizer/conditioned fuel over 90 days. 1. Disengage the blade-control switch (PTO), set the 13. Check and tighten all bolts, nuts, and screws. Repair or parking brake, and turn the ignition key to Off.

  • Page 70: Troubleshooting

    “limp” mode. is above the “add” line, contact an Authorized Toro Service Dealer. The oil-pressure light is on and the engine 1. The engine-control unit has limited 1. Let the engine cool and check the rpm is low.
  • Page 71 Problem Possible Cause Corrective Action The engine does not start, starts hard, or 1. The fuel tank is empty. 1. Fill the fuel tank. fails to keep running. 2. The fuel-shutoff valve is closed. 2. Open the fuel-shutoff valve. 3. The oil level in the crankcase is low. 3.
  • Page 72 Problem Possible Cause Corrective Action There is an abnormal vibration. 1. The cutting blade(s) is/are bent or 1. Install new cutting blade(s). unbalanced. 2. The blade mounting bolt is loose. 2. Tighten the blade mounting bolt. 3. The engine mounting bolts are loose. 3.

  • Page 73: Schematics

    Schematics Electrical Schematic (Rev. A)
  • Page 74 Notes:...
  • 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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74947Z master professional 6000 series

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