Toro 74141 Operator's Manual
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Toro 74141 Operator's Manual

With 48in, 52in, or 60in turbo force side discharge mower
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Original Instructions (EN)
Z Master
®
Series Riding Mower
with 48in, 52in, or 60in TURBO FORCE
Discharge Mower
Model No. 74141—Serial No. 315000001 and Up
Model No. 74143—Serial No. 315000001 and Up
Model No. 74145—Serial No. 315000001 and Up
Form No. 3394-290 Rev A
Commercial 2000
®
Side
*3394-290* A

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Summary of Contents for Toro 74141

  • Page 1 Series Riding Mower with 48in, 52in, or 60in TURBO FORCE ® Side Discharge Mower Model No. 74141—Serial No. 315000001 and Up Model No. 74143—Serial No. 315000001 and Up Model No. 74145—Serial No. 315000001 and Up *3394-290* A Register at www.Toro.com.

  • 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 safety and operation training materials, accessory information, help finding a dealer, or to register your product. This spark ignition system complies with Canadian ICES-002...

  • Page 3: Table Of Contents

    Adjusting the Electric Clutch........42 Safety ................4 Cooling System Maintenance ........42 Safe Operating Practices........... 4 Cleaning the Engine Screen........42 Toro Mower Safety ..........5 Cleaning the Engine Cooling Fins and Slope Indicator ............7 Shrouds.............42 Safety and Instructional Decals ......... 8 Belt Maintenance ............43...

  • Page 4: Safety

    Do not standards and with the instructions in this Operator’s operate unless they are functioning properly. Manual . Modifications to this machine should only be made by either the manufacturer or an Authorized Toro Operation Dealer. •...

  • Page 5: Toro Mower Safety

    Toro Mower Safety • If fuel is spilled on clothing, change your clothing immediately. The following list contains safety information specific to Toro products and other safety information you must know. • Do not overfill fuel tank. Replace fuel cap and tighten securely.

  • Page 6: General Operation

    Toro equipment, count on Toro genuine parts. When it comes to reliability, Toro delivers • Use extra care with grass catchers or other attachments.

  • 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 9 112-9028 1. Warning—stay away from moving parts; keep all guards in place. 114-4466 1. Main, 25A 3. Charge, 25A 2. PTO, 10A 4. Auxiliary, 15A 107-3069 1. Warning–there is no rollover protection when the roll bar is down. 116-4858 2. To avoid injury or death from a rollover accident, keep the roll bar in the raised and locked position and wear the seat belt.
  • Page 10 117-3848 1. Thrown object hazard—keep bystanders a safe distance from the machine 2. Thrown object hazard, mower-do not operate without the deflector, discharge cover or grass collection system in place. 3. Cutting/dismemberment of hand or foot—stay away from moving parts; keep all guards and shields in place. 117-0346 1.
  • Page 11 119-2501 1. Choke 3. Slow 2. Fast 4. PTO (Power Take-off) 127-0325 1. Check the hydraulic 4. Check the front tire pressure every 25 hours. pressure every 50 hours. 2. Check the rear tire 5. Lubricate the front wheel pressure every 50 hours. grease point;...
  • Page 12 116-8722 1. Warning-Read the Operator’s Manual. Do Not operate this 4. Cutting/dismemberment of hand or foot-stay away from machine unless you are trained. Wear hearing protection. moving parts; keep all guards and shields in place. 2. Warning-Stay away from moving parts; keep all guards 5.

  • Page 13: Product Overview

    4. Hour meter 1. PTO Switch its capabilities. Contact your Authorized Service Dealer or 5. Ignition switch 2. Choke Distributor or go to www.Toro.com for a list of all approved 3. Throttle control 6. Fuses attachments and accessories.

  • Page 14: Specifications

    206.2 cm (81.2 inches) 215.4 cm (84.8 inches) Height: Roll Bar - Up Roll Bar - Down 178.3 cm (70.2 inches) 118.1 cm (46.5 inches) Weight: Model Weight 74141 420 kg (926 lb) 74143 428 kg (944 lb) 74145 448 kg (988 lb)

  • Page 15: 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 16: Checking The Engine-Oil Level

    Breaking in a New Machine of varnish deposits in the fuel system, use fuel stabilizer at all times. New engines take time to develop full power. Mower decks and drive systems have higher friction when new, placing Filling the Fuel Tank additional load on the engine.

  • Page 17: Think Safety First

    Think Safety First Please read all safety instructions and symbols in the safety section. Knowing this information could help you or bystanders avoid injury. 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 18: Operating The Parking Brake

    Releasing the Parking Brake CAUTION This machine produces sound levels in excess of 85 dBA at the operators ear and can cause hearing loss through extended periods of exposure. Wear hearing protection when operating this machine. The use of protective equipment for eyes, ears, hands, feet, and head is recommended.

  • Page 19: Operating The Throttle

    Operating the Throttle Operating the Ignition Switch 1. Turn the ignition key to the Start position (Figure 16). The throttle control can be moved between Fast and Slow positions (Figure 14). Note: When the engine starts, release the key. Always use the Fast position when turning on the mower Important: Do not engage starter for more than 5 deck with the blade-control switch (PTO).

  • Page 20: Using The Fuel Shutoff Valve

    Using the Fuel Shutoff Valve The fuel shutoff valve is located behind the seat. Close the fuel shutoff valve for transport, maintenance, and storage. Ensure that the fuel shutoff valve is open when starting the engine. G017428 Figure 18 6. Turn the ignition key to the Start position (Figure 19).

  • Page 21: Using The Safety-Interlock System

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

  • Page 22: Driving Forward Or Backward

    Driving Forward (forward or reverse); the engine should stop. Repeat for other motion control. Note: The engine will kill if the traction-control levers are 5. Sitting on the seat, disengage the parking brake, move moved with the parking brake engaged. the blade-control switch (PTO) to the Off position, and move the motion-control levers to neutral-lock To stop, pull the motion-control levers to the neutral position.

  • Page 23: Stopping The Machine

    Driving Backward 1. Move the levers to the center, unlocked position. 2. To go backward, slowly pull the motion-control levers rearward (Figure 23). G008953 Figure 23 Stopping the Machine To stop the machine, move the traction-control levers to neutral, and then move them to the locked position, disengage the power take off (blade-control switch (PTO), and turn the ignition key to the Off position.

  • Page 24: Adjusting The Anti-Scalp Rollers

    Adjusting the Height-of-Cut Pin 2. Stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. Mower deck size Height-of-cut Increments range 48-inch deck 38 to 127 mm 6 mm (1/4 inch) (1-1/2 to 5 inches) 52-inch and 38 to 140 mm...

  • Page 25: Using The Drive-Wheel-Release Valves

    Using the Drive-Wheel-Release 6. To run the machine, move the bypass levers to the forward position (Figure 29). Valves Using the Side Discharge WARNING The mower has a hinged grass deflector that disperses Hands may become entangled in the rotating drive clippings to the side and down toward the turf.
  • Page 26 may also cause the machine to tip or lose control. If loading on or near a slope, position the trailer or truck so that it is on the down side of the slope and the ramp extends up the slope. This will minimize the ramp angle. WARNING Loading a machine onto a trailer or truck increases the possibility of tip-over and could cause serious...

  • Page 27: Transporting The Machine

    Transporting the Machine Operating Tips Use a heavy-duty trailer or truck to transport the machine. Using the Fast Throttle Setting Ensure that the trailer or truck has all the necessary brakes, lighting, and marking as required by law. Please carefully read For best mowing and maximum air circulation, operate all the safety instructions.

  • Page 28: Maintaining The Blade

    Check the cutter blades daily for sharpness, and for any wear or damage. File down any nicks and sharpen the blades as necessary. If a blade is damaged or worn, replace it immediately with a genuine TORO replacement blade.

  • Page 29: Maintenance

    Maintenance Recommended Maintenance Schedule(s) Maintenance Service Maintenance Procedure Interval • Change the engine oil. After the first 8 hours • Check the torque on the wheel lug nuts. • Change the hydraulic-system filter and oil. After the first 50 hours •...

  • Page 30: Lubrication

    Lubrication Greasing the Mower Service Interval: Every 50 hours—Grease the mower deck Grease more frequently when operating conditions are idler arm. extremely dusty or sandy. Yearly—Grease the front caster pivots (more often in Grease Type: No. 2 general-purpose lithium based or dirty or dusty conditions).

  • Page 31: Lubricating The Caster-Wheel Hubs

    Lubricating the Caster-Wheel 14. Torque the nut to 8 to 9 N-m (75 to 80 in-lb), loosen, then torque to 2 to 3 N-m (20 to 25 in-lb). Hubs Note: Make sure axle does not extend beyond either Service Interval: Yearly nut.

  • Page 32: Engine Maintenance

    Engine Maintenance 6. Remove the safety filter only if you intend to replace it. Important: Do not attempt to clean the safety filter. If the safety filter is dirty, then the primary WARNING filter is damaged. Replace both filters. Contact with hot surfaces may cause personal 7.

  • Page 33: Servicing The Engine Oil

    Servicing the Engine Oil Oil Type: Detergent oil (API service SF, SG, SH, SJ, or SL) Crankcase Capacity: with a filter change, 2.1 L (71 oz); without a filter change, 1.8 L (61 oz) Viscosity: See the table below. G008804 Figure 38 Note: Use of multi-grade oils (5W-20, 10W-30, or 10W-40) will increase oil consumption.

  • Page 34: 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 41). Every 100 hours (more often in dirty or dusty conditions).

  • Page 35: Servicing The Spark Plug

    Changing the Engine-Oil Filter Servicing the Spark Plug Service Interval: Every 200 hours Service Interval: Every 100 hours Note: Change the engine-oil filter more frequently when Make sure the air gap between the center and side electrodes operating conditions are extremely dusty or sandy. is correct before installing the spark plug.

  • Page 36: Checking The Spark Arrester (If Equipped)

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

  • Page 37: Fuel System Maintenance

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

  • Page 38: Electrical System Maintenance

    Electrical System 1. Disengage the blade-control switch (PTO), move the motion-control levers to the neutral-locked position, 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 39: Servicing The Fuses

    Installing the Battery 1. Position the battery in the tray with the terminal posts opposite from the hydraulic tank (Figure 47). 2. Install the positive (red) battery cable to positive (+) battery terminal. 3. Install the negative (black) battery cable and ground wire to the negative (-) battery terminal.

  • Page 40: Drive System Maintenance

    Drive System Maintenance Checking the Seat Belt Service Interval: Before each use or daily Visually inspect the seat belt for wear, cuts, and proper operation of retractor and buckle. Replace it before operating if it is damaged. Checking the Rollover-Protection-System (ROPS) Knobs Service Interval: Before each use or daily WARNING...

  • Page 41: Checking The Tire Pressure

    Checking the Wheel Lug Nuts Service Interval: After the first 8 hours Yearly Check and torque the wheel lug nuts to 122 to 136 N-m (90 to 100 ft-lb). Adjusting the Caster-Pivot Bearing Service Interval: Every 500 hours/Yearly (whichever comes first) 1.

  • Page 42: Adjusting The Electric Clutch

    Adjusting the Electric Clutch Cooling System Maintenance Service Interval: Every 500 hours—Check the electric clutch. The clutch is adjustable to ensure proper engagement and Cleaning the Engine Screen proper braking. Service Interval: Before each use or daily 1. Insert a 0.38 to 0.53 mm (0.015–0.02 inch) feeler gauge through one inspection slot in the side of the assembly.

  • Page 43: 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 44: Replacing The Hydraulic Pump-Drive Belt

    8. Install the new belt around the engine pulley and the 2 drive pulleys. Figure 58 g017437 1. Position the belt cover 3. Ensure that the tab is Figure 60 under the metal catch 2. Slide the belt cover under 1.

  • Page 45: 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. 1. Disengage the PTO, move the motion-control levers to the neutral-locked position, and set the parking brake. 2.
  • Page 46 5. Move the seat to the furthest forward position to 11. Start the engine, run the engine at full throttle, and expose the rear nuts. release the brake. 6. Loosen the rear nuts. Important: The brake must be engaged, and the motion-control levers must be out to start the Note: The nuts do not need to be removed.

  • Page 47: Adjusting The Motion-Control Damper

    Adjusting the Motion-Control Adjusting the Motion Control Damper Neutral-Lock Pivot The top damper-mounting bolt can be adjusted to obtain a The flanged nut can be adjusted to obtain a more desired more desired motion-control lever resistance. See Figure 66 motion-control lever resistance when moving it to the for mounting options.

  • Page 48: Hydraulic System Maintenance

    1. Stop the engine, wait for all moving parts to stop, allow the engine to cool, remove the key, and engage the System parking brake. 2. Locate the filter and guards on each transaxle-drive Hydraulic Oil Type: Toro ® HYPR-OIL ™ 500 hydraulic oil...

  • Page 49: Bleeding The Hydraulic System

    Bleeding the Hydraulic System 3. Repeat for the other filter. 4. Install the filter guards over each filter as previously 1. Raise the rear of machine up, and support it with jack removed. stands (or equivalent support) just high enough to allow drive wheels to turn freely.

  • Page 50: Mower Deck Maintenance

    Mower Deck 6. Insert the height adjustment pin into the 7.6 cm (3 inches) cutting height location. Maintenance 7. Release the transport lock and allow the deck to lower to the cutting height. Leveling the Mower Deck 8. Raise the discharge chute. 9.
  • Page 51 g017036 Figure 76 1. Single-point adjustment bolt 14. Tighten the 2 bolts at the bottom of the height-of-cut g017441 plate (Figure 75). T Figure 74 Note: In most conditions, the back blade tip should be adjusted 6.4 mm (1/4 inch) higher than the front. 1.

  • Page 52: Servicing The Cutting Blades

    Servicing the Cutting Blades Checking for Bent Blades 1. Disengage the PTO, move the motion-control levers to To ensure a superior quality of cut, keep the blades sharp. the neutral-locked position, and set the parking brake. For convenient sharpening and replacement, you may want to keep extra blades on hand.

  • Page 53: Removing The Blades

    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 nonconformance with safety standards.

  • Page 54: Removing The Mower Deck

    Removing the Mower Deck Before servicing or removing the mower deck, the spring-loaded deck arms must be locked out. WARNING Deck-lift-arm assemblies have stored energy. Removing the deck without releasing the stored energy can cause serious injury or death. Do not attempt to disassemble the deck from the front frame without locking out the stored energy.

  • Page 55: 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. Do not operate the lawn mower unless you install a cover plate, a mulch plate, grass deflector or bagger.

  • Page 56: 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. Disengage the blade-control switch (PTO), move the motion-control levers to the neutral-locked position, 2.
  • Page 57 E. Dispose of fuel properly. Recycle as per local codes. Important: Do not store stabilizer/conditioned fuel over 90 days. 13. Check and tighten all bolts, nuts, and screws. Repair or replace any part that is damaged. 14. Paint all scratched or bare metal surfaces. Paint is available from your Authorized Service Dealer.

  • Page 58: Troubleshooting

    Troubleshooting Problem Possible Cause Corrective Action The starter does not crank. 1. The blade-control switch (PTO) is 1. Move the blade-control switch (PTO) engaged. to the disengaged position. 2. The parking brake is not on. 2. Set the parking brake. 3.
  • Page 59 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 60: Schematics

    Schematics g018479 Wire Diagram (Rev. A)
  • Page 61 Notes:...
  • Page 62 Notes:...
  • Page 63 Notes:...
  • Page 64 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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