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Toro 74570 Operator's Manual

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Form No. 3327-587
170-DH
Lawn Tractor
Model No. 74570—220000001 and Up
Operator's Manual
International English (GB)

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Summary of Contents for Toro 74570

  • Page 1 Form No. 3327-587 170-DH Lawn Tractor Model No. 74570—220000001 and Up Operator’s Manual International English (GB)

  • Page 2: Table Of Contents

    ..... . . additional information, contact an Authorized Service Dealer or Toro Customer Service and have the model and Headlights .

  • Page 3: Safety

    Write the product model and serial numbers in the space Training below: Read the instructions carefully. Be familiar with the controls and the proper use of the equipment. Model No. Never allow children or people unfamiliar with these instructions to use the lawnmower. Local regulations can restrict the age of the operator.

  • Page 4: Maintenance And Storage

    – If fuel is spilled, do not attempt to start the engine Stop the blades rotating before crossing surfaces other but move the machine away from the area of than grass. spillage and avoid creating any source of ignition When using any attachments, never direct discharge of until fuel vapors have dissipated.

  • Page 5: Toro Riding Mower Safety

    98/37/EC. The following list contains safety information specific to Toro products or other safety information that you must know that is not included in the CEN standard. Use only Toro-approved attachments. Warranty may be...

  • Page 7: Slope Chart

    Slope Chart...

  • Page 9: Safety And Instruction Decals

    Safety and Instruction 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. 104-3194 1. Crushing/dismemberment 2. Parking brake 99-7824 hazard—look back and 3.
  • Page 10 104-3240 1. Decrease height of cut 2. Increase height of cut 104-3243 1. To drive the mower, push 2. To push the mower, pull the lever in. the lever out. 104-2853 1. Increase the discharge 2. Decrease the discharge 104-3238 opening when mowing opening when mowing long, wet grass.

  • Page 11: Gasoline And Oil

    Danger 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. Fill the fuel tank outdoors, in an open area, when the engine is cold. Wipe up any gasoline that spills.

  • Page 12: Filling The Fuel Tank

    Add the correct amount of gas stabilizer/conditioner to the Controls gas. Become familiar with all of the controls (Fig. 2) before you Note: A fuel stabilizer/conditioner is most effective when start the engine and operate the machine. mixed with fresh gasoline. To minimize the chance of varnish deposits in the fuel system, use fuel stabilizer at all times.

  • Page 13: Positioning The Seat

    Positioning the Seat The seat can move forward and backward. Position the seat where you have the best control of the machine and are most comfortable. 1. Raise the seat and loosen the adjustment knobs (Fig. 3). 2. Move the seat to the desired position and tighten the adjustment knobs.

  • Page 14: Setting The Height Of Cut

    Setting the Height of Cut Adjusting the Mower Gauge Wheels The height-of-cut lever (deck lift) is used to raise and lower the mower to the desired cutting height. The mower front gauge wheels are used to guide the mower over uneven ground. The mower wheels must always be in The cutting height may be set in one of seven positions the bottom (lowest) hole in the wheel bracket (Fig.

  • Page 15: The Safety Interlock System

    Note: To start a warm engine, move the throttle lever to the Stopping Fast position. 1. Move the throttle lever to Slow (Fig. 11). 6. Turn the ignition key clockwise and hold it in the Start Important To prevent backfiring and damage to the position (Fig.

  • Page 16: Testing The Safety System

    Setting the KeyChoice Switch to A red light on the front console (Fig. 13) turns on, indicating that the interlock is disabled. Operate in Reverse An interlock feature on the tractor prevents the power take off (PTO) from operating when backing up. If you shift into reverse with the PTO engaged (i.e., with mower blades or other attachment running), the engine will stop.

  • Page 17: Pushing The Machine By Hand

    Pushing the Machine by Hand forward (Fig. 15). The farther you move the traction control pedal, the faster the machine will move forward. To slow down release the pressure on the traction control pedal. Important Always push the machine by hand. Never tow the machine because transaxle damage may occur.

  • Page 18: Emptying The Grass Collector

    Emptying the Grass Collector When the collector warning light (Fig. 5) comes on and the buzzer sounds, the grass collector is full and must be emptied. Important To prevent the discharge tunnel from getting clogged, the PTO must be disengaged when the warning light and buzzer are activated.

  • Page 19: Maintenance

    Mow at Correct Intervals When Stopping Normally, mow every four days. But remember, grass If the machine must be stopped while mowing, a clump of grows at different rates at different times. So to maintain grass clippings may drop onto your lawn. To avoid this: the same cutting height, which is a good practice, mow 1.

  • Page 20: Engine Oil

    Maintenance Service Maintenance Procedure Interval Replace the oil filter. Every 100 hours Replace the paper air cleaner. Check the spark plug. Perform all of the maintenance procedures listed above. Check the belts for wear or cracks. Drain the gasoline. Before storage Paint chipped surfaces.

  • Page 21: Changing The Oil Filter

    1868 Figure 18 1. Oil dipstick 3. Filler tube 1869 2. Metal end Figure 19 1. Oil drain plug 2. Oil dipstick/fill tube Changing and Draining the Oil Changing the Oil Filter 1. Start the engine and let it run five minutes. This warms the oil so that it drains better.

  • Page 22: Brake

    Brake Tire Pressure The brake is on the right side of the rear axle, inside the Maintain the air pressure in the front tires at 120 kPa and in rear tire (Fig. 21). If the tractor requires more than one the rear tires at 100 kPa.
  • Page 23 Where to Add Grease Figure 23 Lubrication List Item Name Quantity Interval (hours) Lubricant Front wheel—grease fitting Grease Steering ball joints Steering sector gear Grease Steering pinion gear Grease Steering shaft bearing Steering shaft bearing Motion lever—grease fitting Grease Shaft hub for lifting the mower deck Motion link ball joints Brake pedal hub Parking brake ring...

  • Page 24: Fuse

    Fuse Service Interval/Specification The electrical system is protected by fuses. They are located beneath the hood, near the fuel tank (Fig. 24). No maintenance is required, however, if a fuse blows check the circuit wiring for a short. To replace a fuse, pull up to remove it from the socket. Push down to insert it.

  • Page 25: Battery

    Battery Service Interval/Specification Check the electrolyte level in the battery before each use. Always keep the battery clean and fully charged. Use a paper towel to clean the battery and battery box. If the battery terminals are corroded, clean them with a solution of four parts water and one part baking soda.

  • Page 26: Spark Plug

    Adding Water to the Battery 4. Install the battery in the chassis; refer to Installing the Battery, page 25. The best time to add distilled water to the battery is just before you operate the machine. This lets the water mix Spark Plug thoroughly with the electrolyte solution.

  • Page 27: Draining The Fuel Tank

    2. Check the gap between the center and side electrodes 1. Park the machine so that the left front side is slightly (Fig. 30). Bend the side electrode (Fig. 30) if the gap is lower than the right side to ensure that the fuel drains not correct.

  • Page 28: Air Cleaner

    Figure 32 1. Fuel shut-off valve Figure 33 1. Knob 2. Air cleaner cover 3. Open the hood. 4. Squeeze the ends of the hose clamps together and slide 4. Carefully slide the foam element off the paper element them away from the filter (Fig. 31). (Fig.

  • Page 29: Cutting Blade

    Cleaning the Foam and Paper Elements Installing the Foam and Paper Elements 1. Foam Element Important To prevent engine damage, always operate the engine with the complete foam and paper air cleaner A. Wash the foam element in liquid soap and warm assembly installed.

  • Page 30: Removing The Mower

    Removing the Blade 1. Remove the mower; refer to Removing the Mower, page 30. 1855 2. Carefully tip the mower over. Figure 40 1. Blade 2. Balancer 3. Remove the bolt, washer, and blade (Fig. 38). A block of wood may be wedged between the blade and the mower to lock the blade when you are removing the bolt.

  • Page 31: Installing The Mower

    4. Loosen the two hex nuts on the idler pulley (Fig. 43). 5. Adjust the M10 nut until the belt flexes 5 mm with 3 kp of force (Fig. 43). Figure 43 Figure 42 Top View 1. Idler pulley and idler arm 6.

  • Page 32: Grass Collector

    Cleaning the Grass Collector and Tunnel If the holes on the grass collector bag become clogged with dirt and grass or if the full-bag sensor is dirty, the collector must be cleaned. 1. Disengage the PTO, set the parking brake, stop the engine, and remove the ignition key.

  • Page 33: Troubleshooting

    B. Run engine to distribute conditioned fuel through engine and distribute the oil inside the cylinder. Install the fuel system (5 minutes). the spark plug(s); refer to Spark Plug, page 26. Do not install the wire on the spark plug(s). C.
  • Page 34 Problem Possible Causes Corrective Action The engine will not start, starts 1. The operator is not seated. 1. Sit on the seat. hard, or fails to keep running. f il t k 2. The fuel tank is empty. 2. Fill the fuel tank with gasoline. 3.
  • Page 35 Problem Possible Causes Corrective Action The blade(s) does not rotate. 1. The blade drive belt is worn, 1. Install a new blade drive belt. loose, or broken. 2. The blade drive belt is off of the 2. Install the blade drive belt and pulley.

This manual is also suitable for:

170-dh

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