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Toro 74560 Operator's Manual

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Original Instructions (EN)
DH 140 Lawn Tractor
Model No. 74560—Serial No. 313000001 and Up
Form No. 3377-264 Rev A
G012435
*3377-264* A

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Summary of Contents for Toro 74560

  • Page 1 Form No. 3377-264 Rev A DH 140 Lawn Tractor Model No. 74560—Serial No. 313000001 and Up G012435 *3377-264* A Register at www.Toro.com. Original Instructions (EN)

  • Page 2: Introduction

    For details, see the separate product specific Declaration of product properly and safely. Conformity (DOC) sheet. You may contact Toro directly at www.Toro.com for product and accessory information, help finding a dealer, or to register your product. Whenever you need service, genuine Toro parts, or additional...

  • Page 3: Table Of Contents

    Safe Operation Practices for Riding Rotary Lawn Adjusting the Front-to-Rear Blade Slope....30 Mowers .............. 4 Leveling the Mower from Side-to-Side.......31 Toro Riding Mower Safety ........5 Checking and Setting the Cutting Height....31 Sound Pressure ............6 Installing the Adjustable Links........32 Sound Power ............

  • Page 4: Safety

    Safety – Store fuel in containers specifically designed for this purpose. – Refuel outdoors only and do not smoke while Safe Operation Practices for refuelling. Riding Rotary Lawn Mowers – Add fuel before starting the engine. Never remove the cap of the fuel tank or add fuel while the engine is Read and understand the contents of this manual before running or when the engine is hot.

  • Page 5: Toro Riding Mower Safety

    The following paragraph contains safety information specific machine while in operation. to Toro products that is not included in the CEN standard. • Never operate the machine with damaged guards or without safety protective devices in place.

  • Page 6: Sound Pressure

    Sound Pressure This unit has a sound pressure level at the operator’s ear of 85.8 dBA, which includes an Uncertainty Value (K) of 0.8 dBA. The sound pressure level was determined according to the procedures outlined in EN 836. Sound Power This unit has a guaranteed sound power level of 99.1 dBA, which includes an Uncertainty Value (K) of 0.4 dBA.

  • 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 10 degrees when mowing on side hills and 15 degrees when mowing uphill or downhill. 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.

  • 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. 93-7276 1. Explosion hazard—wear eye protection. 2. Caustic liquid/chemical burn hazard—to perform first aid, flush with water.

  • Page 9: Product Overview

    2. Blade control (PTO) knob 6. Parking brake 3. Ignition switch 7. Forward speed pedal 4. Throttle control lever 8. Reverse speed pedal Specifications Model Weight Length Width Height 74560 262 kg 232 cm 95 cm 104 cm...

  • Page 10: Operation

    Using Stabilizer/Conditioner Operation Use a fuel stabilizer/conditioner in the traction unit to Note: Determine the left and right sides of the machine provide the following benefits: from the normal operating position. • It keeps gasoline fresh during storage of 90 days or less. For longer storage it is recommended that the fuel tank Adding Fuel be drained.

  • Page 11: Positioning The Seat

    G015674 Figure 6 1. Parking brake handle • For machines with a parking brake switch: Slide the parking brake switch over (Figure 7) and gradually take your foot off the brake pedal. Figure 8 1. Adjustment knobs 2. Move the seat to the desired position and tighten the G015675 knobs.

  • Page 12: Starting The Engine

    Figure 9 1. Height-of-cut lever 2. Shift the height-of-cut lever to the desired position. 3. Release the button. G015676 Figure 11 Starting the Engine 1. Throttle control lever 1. Open the fuel shut-off valve located between the fuel tank and the engine (Figure 10). Note: To start a warm engine, shift the throttle control lever to the Fast (rabbit) position.

  • Page 13: Stopping The Engine

    Stopping the Engine Using the Safety Interlock System 1. Move the throttle control lever to the Slow (turtle) position (Figure 11). Service Interval: Before each use or daily Note: If the engine backfires, shift the throttle control lever to the Fast (rabbit) position before stopping the CAUTION engine.

  • Page 14: Testing The Safety Interlock System

    Testing 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 15: Driving The Machine Forward Or Backward

    2. Disengage the blades (PTO). 3. Set the parking brake. 4. Stop the engine and wait for all moving parts to stop. 5. Remove the ignition key. 6. Remove the grass collector; refer to Removing the Grass Collector. 7. Pull the drive control (located at the rear of the machine) out to the Push position (Figure 14).

  • Page 16: Emptying The Grass Collector

    CAUTION Children or bystanders may be injured if they move or attempt to operate the machine while it is unattended. Always remove the ignition and KeyChoice keys and set the parking brake when leaving the machine unattended, even if it is just for a few minutes. Emptying the Grass Collector When the grass collector is full, a buzzer sounds, and the grass collector must then be emptied.

  • Page 17: Optional Towing Hitch

    Operating Tips • For the best performance, operate the engine at the maximum speed. The mower requires air to thoroughly cut grass clippings, so do not set the height-of-cut too low or completely surround the mower in uncut grass. Always leave one side of the mower free from uncut grass to allow the air to be drawn into the mower.

  • Page 18: Maintenance

    Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Recommended Maintenance Schedule(s) Maintenance Service Maintenance Procedure Interval • Change the engine oil. After the first 5 hours • Check the safety interlock system. •...
  • Page 19 3. Stop the engine and wait for all moving parts to stop. 4. Remove the ignition key. 5. Clean the grease fittings with a rag. Scrape any paint off the front of the fittings. 6. Connect a grease gun to each fitting and pump grease into it.

  • Page 20: Where To Add Grease

    Where to Add Grease Figure 21 Item Name Quantity Interval (hours) Lubricant (pumps) Front wheel—grease fittings Grease Steering ball joints Steering sector gear Grease Steering pinion gear Grease Steering shaft bearing Steering shaft bearing Motion lever Grease Shaft hub for lifting the mower housing Motion link ball joints Traction idler pulley belt—grease fitting Grease...

  • Page 21: Servicing The Engine Oil

    2. Pull up on the air cleaner cover handle and rotate it kerosene. Replace the paper element if it is damaged or toward the engine (Figure 22). cannot be cleaned thoroughly. Installing the Foam and Paper Elements Important: To prevent engine damage, always operate the engine with the complete foam and paper air cleaner assembly installed.

  • Page 22: Changing The Engine Oil Filter

    G012453 Figure 26 G012456 1. Oil drain plug Figure 25 1. Dipstick 2. Metal end 10. When the oil has drained completely, insert the drain plug and tighten it securely. 8. Unscrew the dipstick and wipe the metal end clean Note: Recycle the used engine oil properly.

  • Page 23: Servicing The Spark Plug

    6. Fill the crankcase with the proper type of new engine oil; refer to Checking the Engine Oil Level. Servicing the Spark Plug Service Interval: Every 25 hours—Check the spark plug. Every 100 hours—Replace the spark plug. Figure 29 Use a Champion RC12YC or equivalent spark plug. Ensure that the air gap between the center and side electrodes 1.

  • Page 24: Fuel System Maintenance

    Fuel System 10. Install the fuel line onto the fuel filter. 11. Slide the hose clamp close to the fuel filter to secure Maintenance the fuel line (Figure 30). Draining the Fuel Tank Replacing the Fuel Filter Drain the fuel tank when you will not be using the machine Service Interval: Every 100 hours/Yearly (whichever comes for more than 30 days.

  • Page 25: Electrical System Maintenance

    Electrical System 1. Disengage the blades (PTO). 2. Set the parking brake. Maintenance 3. Stop the engine and wait for all moving parts to stop. 4. Remove the ignition key. Replacing the Fuses 5. Lift up the seat to see the battery. The electrical system is protected by fuses.

  • Page 26: Charging The Battery

    Important: Do not overfill the battery. Electrolyte 3. Using the bolt and wing nut, connect the positive (red) cable to the positive (+) battery post (Figure 33). Slide (sulfuric acid) can severely corrode and damage the rubber cover over the battery post. the chassis.

  • Page 27: Drive System Maintenance

    Drive System 2. Disengage the blades (PTO). 3. Set the parking brake. Maintenance 4. Stop the engine and wait for all moving parts to stop. 5. Remove the ignition key. Checking the Tire Pressure 6. Pull the drive control out to the Push position (Figure 14).

  • Page 28: Servicing The Grass Collector

    Cleaning the Grass Collector Servicing the Grass and Tunnel Collector 1. Disengage the blades (PTO). Removing the Grass Collector 2. Set the parking brake. 3. Stop the engine and wait for all moving parts to stop. 1. Lock the locking pin on the grass collector (Figure 37). 4.

  • Page 29: Mower Deck Maintenance

    Mower Deck Removing the Blades 1. Remove the mower; refer to Removing the Mower. Maintenance 2. Carefully tip the mower over. 3. Remove the bolts, washers, and blades (Figure 39). Servicing the Blades Wedge a block of wood between each blade and the mower to lock the blade when you are removing each Service Interval: Before each use or daily bolt.

  • Page 30: Installing The Mower

    3. Set the parking brake. 1. Measure the distance between the front tip of the left blade and the flat surface (Figure 43). Repeat for the 4. Stop the engine and wait for all moving parts to stop. rear tip of the left blade. 5.

  • Page 31: Leveling The Mower From Side-To-Side

    3. Ensure that the front-to-rear blade slope is correct, then check the side-to-side level of the mower; refer to Leveling the Mower from Side-to-Side. Leveling the Mower from Side-to-Side The mower blades must be level from side to side. Check the side-to-side level whenever you install the mower or if you notice that your lawn has an uneven appearance.

  • Page 32: Installing The Adjustable Links

    (1/8 to 3/8 inch) lower than the rear of the mower, adjust the blade slope. Check and adjust the cutting height of the blades whenever you install the mower. 1. Park the machine on a level surface. 2. Ensure that the air pressure in the tires are set to the recommended level;...

  • Page 33: Storage

    Storage 1. Disengage the blades (PTO). 2. Set the parking brake. 3. Stop the engine and wait for all moving parts to stop. 4. Remove the ignition key. 5. Remove the grass collector and clean it; refer to Grass Collector. 6.
  • Page 34 13. Remove and inspect the spark plug; refer to Servicing the Spark Plug. With the spark plug removed from the engine, pour 2 tablespoons of engine oil into the spark plug hole. Use the electric starter to crank the engine and distribute the oil inside the cylinder. Install the spark plug, but do not connect the wire to the spark plug.

  • Page 35: Troubleshooting

    Troubleshooting Problem Possible Cause Corrective Action The starter does not crank. 1. The blade control (PTO) knob is 1. Move the blade control (PTO) knob to engaged. the Disengaged position. 2. The parking brake is not on. 2. Set the parking brake. 3.
  • Page 36 Problem Possible Cause Corrective Action There is abnormal vibration. 1. The blades are bent or unbalanced. 1. Install a new blades. 2. The blade mounting screws are loose. 2. Tighten the blade mounting screws. 3. The engine mounting bolts are loose. 3.

  • Page 37: Schematics

    Schematics G015678 Electrical (Rev. A)
  • Page 38 Notes:...
  • Page 39 The Way Toro Uses Information Toro may use your personal information to process warranty claims, to contact you in the event of a product recall and for any other purpose which we tell you about. Toro may share your information with Toro's affiliates, dealers or other business partners in connection with any of these activities. We will not sell your personal information to any other company.
  • Page 40 Toro's option, under warranty at no cost for parts the Operator's Manual have been performed.

This manual is also suitable for:

Dh 140

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