Toro 74933 Operator's Manual
Toro 74933 Operator's Manual

Toro 74933 Operator's Manual

With 60in and 72in turbo force side discharge mower
Hide thumbs Also See for 74933:
Table of Contents

Advertisement

Quick Links

Register at www.Toro.com.
Original Instructions (EN)
Z Master
®
Series Riding Mower
with 60in and 72in TURBO FORCE
Discharge Mower
Model No. 74933—Serial No. 314000001 and Up
Model No. 74934—Serial No. 314000001 and Up
Form No. 3380-811 Rev A
Professional 5000
®
Side
G021416
*3380-811* A

Advertisement

Table of Contents
loading

Summary of Contents for Toro 74933

  • Page 1 Z Master ® Professional 5000 Series Riding Mower with 60in and 72in TURBO FORCE ® Side Discharge Mower Model No. 74933—Serial No. 314000001 and Up Model No. 74934—Serial No. 314000001 and Up G021416 *3380-811* A 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 of your product ready. Figure 1 identifies the location of the CALIFORNIA model and serial numbers on the product. Write the numbers Proposition 65 Warning in the space provided.
  • Page 3: Table Of Contents

    Contents Checking the Rollover Protection System (ROPS) Knobs...............43 Adjusting the Tracking ..........43 Introduction ..............2 Checking the Tire Pressure ........44 Safety ................4 Checking the Wheel Lug Nuts ........44 Safe Operating Practices........... 4 Checking the Wheel Hub Slotted Nut ......44 Slope Indicator ............
  • 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) - Hauling Use and Maintenance • Use care when loading or unloading the machine into a trailer or truck. • The ROPS is an integral and effective safety device. Keep a folding ROPS in the raised and locked position and use •...
  • 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. 68-8340 1-403005 98-5954 103-2076 54-9220 58-6520 1. Grease 105-7798 66-1340...
  • Page 8 109-9875 107-2102 110-2067 109-7232 1. Fast 3. Neutral 2. Slow 4. Reverse 110-2068 1. Read the Operator's Manual.
  • Page 9 114-4466 1. Main, 25A 3. Charge, 25A 4. Auxiliary, 15A 2. PTO, 10A 116-0752 1. Locked 2. Unlocked 116-1714 115-7445 1. Grease pulleys and spindles 2. Maintenance interval—50 hours 116-2643 116-0157 116-3303 116-0205...
  • Page 10 116-3446 Battery Symbols Some or all of these symbols are on your battery 1. Battery 4. Parking brake 2. Hour meter 5. Neutral 1. Explosion hazard 6. Keep bystanders a safe distance from the battery. 3. PTO 6. Operator presence switch 2.
  • Page 11 109-7069 121–7586 1. Fast 3. Slow 2. Variable speed control 4. Power take-off (PTO) 125–9382 1. Read the Operator’s Manual for more information on servicing the machine.
  • Page 12: Product Overview

    Product Overview g0131 12 Figure 5 1. PTO Switch 4. Hour meter/Safety interlock display 2. Throttle control 5. Ignition switch 3. Malfunction indicator light 6. Fuses (MIL) Hour Meter The hour meter records the number of hours the engine has G021417 operated.
  • Page 13: Throttle Control

    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 g013439 attachments and accessories.
  • Page 14: Specifications

    New tanks must be properly filled by trained and qualified Length: personnel. 60 inch Deck 72 inch Deck • Only use tanks recommended by Toro. Failure to do so Roll Bar - Up 211.1 cm (83.1 218.7 cm (86.1 will result in improper operation of the fuel system. inches)
  • Page 15: Operation

    Operation DANGER LPG fuel is extremely flammable and vapors are Note: Determine the left and right sides of the machine explosive. from the normal operating position. A fire or explosion from LPG fuel can burn you, others, and cause property damage. Adding Fuel •...
  • Page 16 • Do not attempt to repair or modify the Do not use Carbon Tetrachloride extinguishers valves, fittings, or other tank components. (Pyrene etc.). • Only use the Toro approved LPG tank, Changing the LPG Tank fittings, and hoses that were designed for your mower.
  • Page 17: Checking The Engine Oil Level

    9. Inspect the tank hose connection fitting for damaged break-in time for new machines to develop full power and or missing o-rings. best performance. 10. Make sure that the replacement tank type and size match the tank specification decal. Using the Rollover Protection 11.
  • Page 18: Think Safety First

    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. There is no rollover protection when the roll bar is down.
  • Page 19: 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 11...
  • Page 20: Operating The Ignition Switch

    Operating the Ignition Switch 1. Turn the ignition key to the Start position (Figure 17). 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 21: The Safety Interlock System

    Stopping the Engine The Safety Interlock System CAUTION CAUTION Children or bystanders may be injured if they If safety interlock switches are disconnected or move or attempt to operate the tractor while it is damaged the machine could operate unexpectedly unattended.
  • Page 22: Driving Forward Or Backward

    Using the Motion Control Levers motion control lever (out of neutral locked position). Try starting the engine; the engine should not crank. Repeat for other control lever. 3. Sitting on the seat, engage the parking brake, move the blade control switch (PTO) to off, and move the motion control levers to neutral lock position.
  • Page 23: Stopping The Machine

    take off (blade control switch (PTO), and turn the ignition key to off. Set the parking brake when you leave the machine; refer to Setting the Parking Brake (page 19). Remember to remove the key from the ignition switch. CAUTION Children or bystanders may be injured if they move or attempt to operate the machine while it is unattended.
  • Page 24: 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 25: Adjusting The Flow Baffle Cam Locks

    Adjusting the Flow Baffle Cam Locks This procedure is applicable only to machines with the flow baffle locks. Certain models will have nuts and bolts in-place of the flow baffle locks and can be adjusted the same. The mower discharge flow can be adjusted for different types of mowing conditions.
  • Page 26: Positioning The Seat

    • Use in wet conditions. Figure 34 • Lowers the engine power consumption. 1. Seat latch 2. Seat • Allows increased ground speed in heavy conditions. • This position is similar to the benefits of the Toro SFS mower.
  • Page 27: Changing The Seat Suspension

    Changing the Seat Suspension 3. Rotate the release valve levers vertically to push the machine (Figure 36). The seat is adjustable to provide a smooth and comfortable Note: This allows hydraulic oil to by-pass the pump ride. Position the seat where you are most comfortable. enabling the wheels to turn.
  • Page 28: Transporting Machines

    Transporting Machines Use a heavy-duty trailer or truck to transport the machine. Ensure that the trailer or truck has all necessary brakes, lighting, and marking as required by law. Read all the safety instructions. This information could help you, your family, pets, or bystanders avoid injury.
  • Page 29: Loading Machines

    Loading Machines Use extreme caution when loading units on trailers or trucks. One full width ramp that is wide enough to extend beyond the rear tires is recommended instead of individual ramps for each side of the unit (Figure 38). The lower rear section of the machine frame extends back between the rear wheels and serves as a stop for tipping backward.
  • Page 30: 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 31: 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 air filter.
  • Page 32: Lubrication

    CAUTION If you leave the key in the ignition switch, someone could start the engine and seriously injure you or other bystanders. Remove the key from the ignition before you do any maintenance. Lubrication Where to Grease the Mower Service Interval: Every 50 hours—Grease the mower deck Greasing and Lubrication spindles and idler arm.
  • Page 33: Lubricate The Caster Wheel Hubs

    Lubricate the Caster Wheel Hubs Service Interval: Yearly 1. Stop the engine, wait for all moving parts to stop, and remove the key. Engage the parking brake. Figure 41 Figure 43 6. Remove the dust cap and adjust the caster pivots. 1.
  • Page 34: Engine Maintenance

    Engine Maintenance 13. Apply a thread locking adhesive to the second spacer nut and thread it onto the axle with the wrench flats facing outward. WARNING 14. Torque the nut to 8-9 N-m (75-80 in-lb), loosen, then re-torque to 2-3 N-m (20-25 in-lb). Contact with hot surfaces may cause personal injury.
  • Page 35: Servicing The Engine Oil

    8. Gently slide the primary filter out of the air cleaner 2. Carefully slide the primary filter over the safety filter body (Figure 45). (Figure 45). Note: Avoid knocking the filter into the side of the Note: Ensure that the primary filter is fully seated by body.
  • Page 36: Changing The Engine Oil

    Changing the Engine Oil 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating Service Interval: After the first 8 hours position (Figure 47). Every 100 hours (more often in dirty or dusty conditions) Note: Dispose of the used oil at a recycling center.
  • Page 37: Changing The Engine Oil Filter

    Changing the Engine Oil Filter 5. Slowly pour approximately 80% of the specified oil into the filler tube and slowly add the additional oil to Service Interval: Every 200 hours bring it to the Full mark (Figure 49). Note: Change the engine oil filter more frequently when operating conditions are extremely dusty or sandy.
  • Page 38: Servicing The Spark Plug

    Servicing the Spark Plug Service Interval: Every 100 hours Make sure that 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 gapping tool/feeler gauge to check and adjust G021396 the air gap.
  • Page 39: Checking Spark Arrester (If Equipped)

    Checking Spark Arrester (if Fuel System equipped) Maintenance Service Interval: Every 50 hours Inspecting the LPG System WARNING Service Interval: Before each use or daily—Check the LPG Hot exhaust system components may ignite tank and components. gasoline vapors even after the engine is stopped. Every 40 hours—Check the LPG hoses, regulator and Hot particles exhausted during engine operation connections.
  • Page 40: Servicing The Electronic Fuel Injection System

    Electrical System ◊ Using a small brush or spray bottle, apply the solution around all the fittings of the LPG tank Maintenance and the fuel connection joint. ◊ Slowly open the gas valve a half-turn. ◊ If bubbles are detected, the joint or fitting has Servicing the Battery a leak.
  • Page 41: Installing The Battery

    WARNING Incorrect battery cable routing could damage the machine and cables causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury. G021395 • Always Disconnect the negative (black) battery cable before disconnecting the positive (red) cable. •...
  • Page 42: Servicing The Fuses

    Servicing the Fuses Important: Always keep the battery fully charged (1.265 specific gravity). This is especially important to The electrical system is protected by fuses. It requires prevent battery damage when the temperature is below no maintenance, however, if a fuse blows check the 32°F (0°C).
  • 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 Check that both the mounting hardware and the knobs are in good working condition.
  • Page 44: Checking The Tire Pressure

    Checking the Wheel Lug Nuts Check and torque the wheel lug nuts to 90-95 ft-lb (122-129 N-m). 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

    Figure 64 4. Check the condition of the wire harness leads, connectors, and terminals. Clean or repair as necessary. 5. Verify that 12V is present at the clutch connector when Figure 62 the PTO switch is engaged. 6. Measure the gap between the rotor and armature. If 1.
  • Page 46 F. Perform the following safety check: i. Sit on the seat and start the engine. ii. Make sure the blades do not engage with the PTO switch in the off position and the clutch disengaged. If the clutch does not disengage, install the shim and reference the Troubleshooting section.
  • Page 47: Cooling System Maintenance

    Check and Clean the Hydraulic Cooling System Unit Shrouds Maintenance Service Interval: Before each use or daily Cleaning the Engine Screen 1. Disengage the PTO and set the parking brake. 2. Stop the engine, remove the key, and wait for all moving and Engine Oil Cooler parts to stop before leaving the operating position.
  • Page 48: Brake Maintenance

    Brake Maintenance Adjusting the Parking Brake Service Interval: After the first 100 hours Every 500 hours thereafter Check to make sure brake is adjusted properly. This procedure must be followed 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 Hydraulic Pump Drive Belt

    Figure 74 1. Position the belt cover 3. Ensure the tab is under Figure 75 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 51: 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 52: Adjusting The Motion-Control Damper

    Adjusting the Motion-control seat because of the jumper wire being used. Run the engine at full throttle and release the brake. Damper 6. Run the machine at least 5 minutes with the motion-control levers at full forward speed to bring the The top damper-mounting bolt can be adjusted to obtain a hydraulic oil up to operating temperature.
  • Page 53: Hydraulic System Maintenance

    Hydraulic System Maintenance Servicing the Hydraulic System Hydraulic Oil Type: Toro ® HYPR-OIL ™ 500 hydraulic oil or Mobil ® 1 15W-50. Figure 80 Important: Use oil specified. Other fluids could cause 1. Flanged nut 2. Jam nut system damage.
  • Page 54 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 Servicing the Engine Oil (page 35) for the oil specifications.
  • Page 55: Mower Deck Maintenance

    Mower Deck Maintenance Leveling the Mower Deck Setting Up the Machine Note: Ensure that 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 56 10. 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 7.6 mm (3 inch) height (see Figure 86). To increase the height, turn the adjuster screw clockwise;...
  • Page 57: Servicing The Cutting Blades

    If a blade is damaged or worn, replace adjustment on each of the four deck links. it immediately with a genuine Toro replacement blade. For convenient sharpening and replacement, you may want to keep extra blades on hand.
  • Page 58: Removing The Blades

    Checking for Bent Blades genuine Toro replacement blades. Replacement blades made by other manufacturers may result in non-conformance with 1. Disengage the blade control switch (PTO), move the safety standards. motion control levers to the neutral locked position and set the parking brake.
  • Page 59: Removing The Mower Deck

    the sail area only (Figure 94). Repeat this procedure 1. Stop engine, wait for all moving parts to stop, and until the blade is balanced. remove key. Engage parking brake. 2. Remove the height adjustment pin and lower the deck to the ground.
  • Page 60: Replacing The Grass Deflector

    Replacing the Grass Deflector WARNING An uncovered discharge opening could allow the lawn mower to throw objects in the operator's or bystander's direction and result in serious injury. Also, contact with the blade could occur. Never operate the lawn mower unless you install a cover plate, a mulch plate, grass deflector or bagger.
  • Page 61: Cleaning

    Cleaning Storage Cleaning and Storage Cleaning the Mower Deck Storage areas should be equipped with at least one approved Service Interval: Before each use or daily portable fire extinguisher having a minimum capacity of 8.2 kg (18 lb) dry chemical with a B:C rating. Do not use Carbon 1.
  • Page 62: Troubleshooting

    Troubleshooting Problem Possible Cause Corrective Action Malfunction Indicator Light (MIL) comes 1. The engine is too hot. 1. Turn engine off and let it cool. 2. Fualty valve in fuel tank. 2. Contact an Authorized Service Dealer. 3. The air cleaner is dirty. 3.
  • Page 63 Problem Possible Cause Corrective Action The engine overheats. 1. The engine load is excessive. 1. Reduce the ground speed. 2. The oil level in the crankcase is low. 2. Add oil to the crankcase. 3. The cooling fins and air passages 3.
  • Page 64: Schematics

    Schematics LPG Electrical Dia gram G021490 Wire Diagram (Rev. A)
  • Page 65 Notes:...
  • Page 66 Notes:...
  • Page 67 Notes:...
  • Page 68 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.

This manual is also suitable for:

74934Z master professional 5000 series

Table of Contents