Toro 74944 Operator's Manual
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Toro 74944 Operator's Manual

Toro 74944 Operator's Manual

Z master professional 5000 series riding mower with 60in or 72in turbo force rear discharge mower
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Original Instructions (EN)
Z Master
®
Series Riding Mower
with 60in or 72in TURBO FORCE
Discharge Mower
Model No. 74942—Serial No. 314000001 and Up
Model No. 74944—Serial No. 314000001 and Up
Form No. 3380-844 Rev C
Professional 5000
®
Rear
g024137
*3380-844* C

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  • Page 1 Z Master ® Professional 5000 Series Riding Mower with 60in or 72in TURBO FORCE ® Rear Discharge Mower Model No. 74942—Serial No. 314000001 and Up Model No. 74944—Serial No. 314000001 and Up g024137 *3380-844* C Register at www.Toro.com. Original Instructions (EN)

  • Page 2: Introduction

    Whenever you need service, genuine Toro parts, or additional WARNING information, contact an Authorized Service Dealer or Toro Customer Service and have the model and serial numbers CALIFORNIA of your product ready.Figure 1 identifies the location of the Proposition 65 Warning model and serial numbers on the product.

  • Page 3: Table Of Contents

    Contents Checking the Seat Belt..........43 Checking the Rollover Protection System (ROPS) Knobs...............43 Introduction ..............2 Adjusting the Tracking ..........43 Safety ................4 Checking the Tire Pressure ........44 Safe Operating Practices........... 4 Checking the Wheel Lug Nuts ........44 Slope Indicator ............6 Checking the Wheel Hub Slotted Nut ......44 Safety and Instructional Decals .........

  • Page 4: Safety

    Operation Safety • Lightning can cause severe injury or death. If lightning is seen or thunder is heard in the area, do not operate Improper use or maintenance by the operator or owner can the machine; seek shelter. result in injury. To reduce the potential for injury, comply with these safety instructions and always pay attention to the safety •...

  • Page 5: Maintenance And Storage

    Rollover Protection System (ROPS) - • If fuel is spilled on clothing, change clothing immediately. Use and Maintenance • Never overfill fuel tank. Replace fuel cap and tighten securely. • The ROPS is an integral and effective safety device. Keep a folding ROPS in the raised and locked position and use the seat belt when operating the machine.

  • Page 6: 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 7: 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. 103-2076 1-403005 103-5858 1-633922 68-8340 98-5954...
  • Page 8 114-4466 1. Main, 25A 3. Charge, 25A 4. Auxiliary, 15A 2. PTO, 10A 116-0090 107-2102 116-0157 109-7232 116-0205...
  • Page 9 116-3303 116-0752 1. Latch 2. Unlatch 116-4858 116-1654 116-5944 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 116-2643...
  • Page 10 Battery Symbols Some or all of these symbols are on your battery 1. Explosion hazard 6. Keep bystanders a safe distance from the battery. 125–9382 2. No fire, open flame, or 7. Wear eye protection; smoking. explosive gases can 1. Read the Operator’s Manual for more information on cause blindness and other servicing the machine.
  • Page 11 127-6661 1. Attention—read the Operator's Manual for information on removing the blade. 109-7069...

  • Page 12: 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 6). Fuel Gauge The fuel gauge is located with the hour meter and the bars light up when the ignition switch is on (Figure 6).

  • Page 13: 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. Specifications Note: Specifications and design are subject to change without notice.

  • Page 14: 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 which from the normal operating position. can ignite the gasoline vapors. A fire or explosion from gasoline can burn you and others and can Adding Fuel damage property.

  • Page 15: Checking The Engine Oil Level

    Checking the Engine Oil Level of varnish deposits in the fuel system, use fuel stabilizer at all times. Before you start the engine and use the machine, check the oil level in the engine crankcase; refer to Checking the Engine Filling the Fuel Tank Oil Level.

  • Page 16: Think Safety First

    3. Lower the roll bar to the down position (Figure 8). DANGER Operating on wet grass or steep slopes can cause sliding and loss of control. Wheels dropping over edges can cause rollovers, which may result in serious injury, death or drowning.

  • Page 17: Operating The Parking Brake

    Operating the Mower Blade The use of protective equipment for eyes, ears, feet and head is recommended. Control Switch (PTO) The blade control switch (PTO) starts and stops the mower blades and any powered attachments. Engaging the Blade Control Switch G009027 (PTO) Figure 10...

  • Page 18: Operating The Ignition Switch

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

  • Page 19: The Safety Interlock System

    G008947 Figure 19 1. Off 3. Start 2. Run Stopping the Engine CAUTION Children or bystanders may be injured if they move or attempt to operate the machine while it is unattended. Always remove the ignition key and set the parking brake when leaving the machine unattended, even if just for a few minutes.

  • Page 20: Driving Forward Or Backward

    • The blade control switch (PTO) is disengaged. 5. Sitting on the seat, disengage the parking brake, move the blade control switch (PTO) to off and move the • The motion control levers are in the neutral locked motion control levers to neutral lock position. Try position starting the engine;...

  • Page 21: Stopping The Machine

    Driving Forward Note: The engine will kill if the traction control levers are moved with the parking brake engaged. To stop, pull the motion control levers to the neutral position. 1. Release the parking brake; refer to Releasing the Parking Brake in Operation. 2.

  • Page 22: Adjusting The Anti-Scalp Rollers

    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. 1. Move the transport lock to the lock position. 2.

  • Page 23: Adjusting The Skid(S)

    2. Move the throttle lever to the Slow position, stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3. Remove the carriage bolts and nuts from each skid (Figure 29). g024242 Figure 27 1.

  • Page 24: Unlatching The Seat

    Unlatching the Seat WARNING The engine and hydraulic drive units can become Note: Certain models will have a fixed seat and cannot be very hot. Touching a hot engine or hydraulic drive rotated up. units can cause severe burns. Allow the engine and hydraulic drive units to cool completely before accessing the drive wheel release valves.

  • Page 25: Transporting Machines

    Transporting Machines Loading Machines Use a heavy-duty trailer or truck to transport the machine. Use extreme caution when loading units on trailers or trucks. Ensure that the trailer or truck has all necessary brakes, One full width ramp that is wide enough to extend beyond lighting, and marking as required by law.
  • Page 26 Figure 35 1. Trailer 3. Not greater than 15 degrees 2. Full width ramp 4. Full width ramp—side view...

  • Page 27: Operating Tips

    File down any nicks and sharpen the it is late fall when grass grows more slowly. blades as necessary. If a blade is damaged or worn, replace it immediately with a genuine TORO replacement blade. Mowing Direction Alternate mowing direction to keep the grass standing straight.

  • Page 28: Maintenance

    • Adjust the caster pivot bearing. Every 500 hours • Check the park 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 29: 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 Yearly—Grease the pump-belt idler arm. Yearly—Grease the front caster pivots (more often in Greasing and Lubrication dirty or dusty conditions).
  • Page 30 g014942 Figure 40 Figure 38 6. Grease the drive-belt idler arm (Figure 37). Figure 39 7. Remove the dust cap and adjust the caster pivots. Keep the dust cap off until greasing is done. Refer to Adjusting the Caster Pivot Bearing in Maintenance. 8.

  • Page 31: Lubricate Caster Wheel Hubs

    Lubricate Caster Wheel Hubs Reinstall the seal guards over the wheel hub and insert wheel into caster fork. Reinstall caster bolt and tighten Service Interval: Yearly nut fully. 1. Stop the engine, wait for all moving parts to stop, and Important: To prevent seal and bearing damage, check remove the key.

  • Page 32: Engine Maintenance

    Engine Maintenance 8. Gently slide the primary filter out of the air cleaner body (Figure 43). Note: Avoid knocking the filter into the side of the WARNING body. Contact with hot surfaces may cause personal 9. Remove the inner filter only if you intend to replace it. injury.

  • Page 33: Servicing The Engine Oil

    Servicing the Engine Oil 2. If the inner filter is being replaced, carefully slide it into the filter body (Figure 43). Oil Type: Detergent oil (API service class SJ or higher) 3. Carefully slide the primary filter over the inner filter (Figure 43).

  • Page 34: Changing The Engine Oil

    Changing the Engine Oil Service Interval: Every 100 hours (more often in dirty or dusty conditions) Note: Dispose of the used oil at a recycling center. 1. Park the machine so that the rear is slightly lower than g024213 the front to ensure the oil drains completely. 2.

  • Page 35: Changing The Engine Oil Filter

    4. 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 47). g024213 G008796 Figure 47 5. Start the engine and drive to a flat area. Check the oil level again.

  • Page 36: Servicing The Spark Plug

    Servicing the Spark Plug Service Interval: Every 200 hours—Check, clean and regap the spark plug. Make sure the air gap between the center and side electrodes is correct before installing the spark plug. Use a spark plug g024213 wrench for removing and installing the spark plug(s) and a gapping tool/feeler gauge to check and adjust the air gap.
  • Page 37 Checking the Spark Plug Important: Replace the spark plug(s) when it has: a black coating, worn electrodes, an oily film, cracks or reuse is questionable. If you see light brown or gray on the insulator, the engine is g024214 operating properly. A black coating on the insulator usually means the air cleaner is dirty.

  • Page 38: Check Spark Arrester (If Equipped)

    Check Spark Arrester (if Fuel System equipped) Maintenance Service Interval: Every 50 hours WARNING WARNING Fuel system components are under high pressure. Hot exhaust system components may ignite The use of improper components can result in gasoline vapors even after the engine is stopped. system failure, gasoline leakage and possible Hot particles exhausted during engine operation explosion.

  • Page 39: Servicing The High Pressure Fuel Filter

    Electrical System Maintenance Servicing the Battery Service Interval: Monthly WARNING CALIFORNIA Proposition 65 Warning Battery posts, terminals, and related accessories contain lead and lead compounds, G008963 chemicals known to the State of California Figure 54 to cause cancer and reproductive harm. 1.

  • Page 40: Installing The Battery

    Installing the Battery WARNING 1. Position battery in the tray with the terminal posts Incorrect battery cable routing could damage the opposite from the hydraulic tank (Figure 55). machine and cables causing sparks. Sparks can cause the battery gasses to explode, resulting in 2.

  • Page 41: Servicing The Fuses

    Servicing the Fuses 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. 1. The fuses are located on right hand console next to the seat (Figure 57). 2.
  • Page 42 2. Make sure the booster battery is a good and fully 4. Connect the other end of the positive cable to the charged lead acid battery at 12.6 volts or greater. Use positive terminal of the booster battery. properly sized jumper cables with short lengths to 5.

  • Page 43: Drive System Maintenance

    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 Protection System (ROPS) Knobs Service Interval: Before each use or daily WARNING To avoid injury or death from rollover: keep the roll...

  • Page 44: Checking The Tire Pressure

    Checking the Wheel Lug Nuts Service Interval: After the first 100 hours Every 500 hours Check and torque the wheel lug nuts to 122-129 N-m (90-95 ft-lb). 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).

  • Page 45: Using The Clutch Shim

    2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3. Remove the dust cap from caster and tighten lock nut (Figure 65). 4. Tighten the locknut until the spring washers are flat and then back off a 1/4 turn to properly set the pre-load on the bearings (Figure 65).
  • Page 46 match after the shim is removed to ensure proper brake torque. Figure 70 1. Feeler gauge Figure 68 1. Brake mounting bolt B. Using needle nose pliers, or by hand, take hold of the tab and remove the shim (Do Not discard the shim until proper clutch function has been confirmed).

  • Page 47: Cooling System Maintenance

    Cooling System Maintenance Cleaning the Engine Screen and Engine Oil Cooler Service Interval: Before each use or daily Remove any build-up of grass, dirt or other debris from the oil cooler (Figure 72). g024213 Figure 73 1. Engine guard 4. Fan housing 2.

  • Page 48: Brake Maintenance

    Brake Maintenance Adjusting the Parking Brake Service Interval: After the first 100 hours g024214 Every 500 hours thereafter Check to make sure brake is adjusted properly. Perform this procedure after the first 100 hours or when a brake component has been removed or replaced. 1.

  • Page 49: Belt Maintenance

    Belt Maintenance Inspecting the Belts Service Interval: Every 50 hours Check the belts for squealing when the belt is rotating, blades slipping when cutting grass, frayed belt edges, burn marks and cracks are signs of a worn mower belt. Replace the mower belt if any of these conditions are evident.

  • Page 50: Replacing The Mower Deck Belt

    7. Use a ratchet in the square hole in the idler arm to remove tension on the idler spring (Figure 76). 8. Remove the belt from the mower deck pulley (Figure 76). 9. Remove the belt from the remaining pulleys (Figure 76).

  • Page 51: Replacing The Hydraulic Pump Drive Belt

    Figure 79 1. Position the belt cover 3. Ensure the tab is under Figure 80 the metal catch 1. Idler pulley 5. Left hand hydraulic pump 2. Slide belt cover under the pulley side catches 2. Clutch pulley 6. Square hole in idler arm 3.

  • Page 52: Controls System Maintenance

    Controls System Maintenance Adjusting the Control Handle Position There are two height positions for the control levers; high and low. Remove the bolts to adjust the height for the operator. 1. Disengage the PTO, move the motion control levers to the neutral locked position, and set the parking brake.

  • Page 53: Adjusting The Motion Control Damper

    6. Run the unit at least 5 minutes with the drive levers at full forward speed to bring hydraulic oil up to operating temperature. Note: The motion control lever needs to be in neutral while making any necessary adjustments. 7. Bring the motion control levers into the neutral position.

  • Page 54: 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 cause system damage. Each Hydraulic System Oil Capacity: 52 ounces (1.5 l) per...
  • Page 55 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, the filters need to be removed. Replace both at the same time. Refer to the oil specifications under Servicing the Hydraulic System for the correct oil.

  • Page 56: Mower Deck Maintenance

    Mower Deck Maintenance Leveling the Mower Deck Setting Up the Machine Note: Ensure the mower deck is leveled before matching the height-of-cut (HOC). 1. Position mower on a flat surface. 2. Disengage the blade control switch (PTO), move the motion control levers to the neutral locked position and set the parking brake.
  • Page 57 9. If needed, loosen the whizlock nut on the side of the yoke and the jam nut on top. Fine tune the screw adjuster by turning it to get 76 mm (3 inches) height (see Figure 91). To increase the height, turn the adjuster screw clockwise;...

  • Page 58: Servicing The Cutting Blades

    If a blade is damaged or worn, replace it immediately with a genuine Toro replacement blade. For 2. Stop the engine, remove the key, and wait for all moving convenient sharpening and replacement, you may want to parts to stop before leaving the operating position.

  • Page 59: Removing The Blades

    Replace the blades if a solid object is hit, if the blade is out of balance or is bent. To ensure optimum performance and continued safety conformance of the machine, use genuine Toro replacement blades. Replacement blades made by other manufacturers may result in non-conformance with safety standards.
  • Page 60 2. Check the balance of the blade by putting it on a blade balancer (Figure 100). If the blade stays in a horizontal position, the blade is balanced and can be used. If the blade is not balanced, file some metal off the end of the sail area only (Figure 101).

  • Page 61: Removing The Mower Deck

    Installing the Blades Important: The right-hand blade on this mower deck is counter-rotating and uses a left-hand threaded blade bolt. UseFigure 102 for the correct placement of the mower blades. 1. Install the left and center blades, curved washers, and blade bolts to the spindle shafts (Figure 101 and Figure 102).
  • Page 62 6. Rotate the mower deck idler clockwise, lift up on the belt-guide tab and remove the mower deck belt from the clutch (Figure 103). Figure 104 1. Right stabilizer 2. Deck strut (right side shown) 3. Remove the rear deck lift attachment shoulder bolt and nut. 4.

  • Page 63: Cleaning

    Cleaning Storage Cleaning and Storage Cleaning Under the Mower 1. Disengage the power take off (blade control switch Service Interval: Before each use or daily (PTO), set the parking brake, and turn the ignition key to Off. Remove the key. 1.
  • Page 64 C. Stop the engine, allow it to cool, and drain the fuel tank; refer to Servicing the Fuel Tank in the Maintenance Section. D. Restart the engine and run it until it stops. E. Dispose of fuel properly. Recycle as per local codes.

  • Page 65: Troubleshooting

    Troubleshooting Problem Possible Cause Corrective Action The starter does not crank. 1. The blade control switch (PTO) is 1. Move the blade control switch (PTO) engaged. to disengaged. 2. The parking brake is not on. 2. Set the parking brake. 3.
  • Page 66 Problem Possible Cause Corrective Action The machine does not drive. 1. The by pass valves is not closed tight. 1. Tighten the by pass valves. 2. The pump belt is worn, loose or broken. 2. Change the belt. 3. The pump belt is off a pulley. 3.
  • Page 67 Problem Possible Cause Corrective Action Malfunction Indicator Light (MIL) comes 1. Engine is too hot. 1. Turn engine off and let it cool. 2. Old gas in the gas tank. 2. Use new gas. 3. The fuel shut-off valve is not open 3.

  • Page 68: Schematics

    Schematics G0131 19 Wire Diagram (Rev. A)
  • Page 69 Notes:...
  • Page 70 Notes:...
  • Page 71 Notes:...
  • 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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74942

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