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Related Manuals for Toro 73551
Summary of Contents for Toro 73551
- Page 1 FORM NO. 3319–219GB Wheel Horse 523Dxi Tractor Model No. 73551 – 8900001 & Up Operator’s Manual IMPORTANT: Read this manual carefully. It contains information about your safety and the safety of others. Also become familiar with the controls and their proper use before you operate the product.
- Page 2 Read this manual carefully to learn how to operate and maintain your product correctly. Reading this All of us at Toro want you to be completely satisfied manual will help you and others avoid personal injury with your new product, so feel free to contact your and damage to the product.
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Page 3: Table Of Contents
Contents Page Page Re–centering the Steering Wheel ..Safety ....... . . Attachment Power Lift . -
Page 4: Safety
Safety General Operation This machine meets or exceeds the B71.1–1996 specifications of the American National Standards Read, understand, and follow all instructions in Institute, in effect at the time of production. the operator’s manual and on the machine before However, improper use or maintenance by the starting. - Page 5 Safety 13. Mow only in daylight or good artificial light. Keep all movement on slopes slow and gradual. Do not make sudden changes in speed or 14. Do not operate the machine while under the direction. influence of alcohol or drugs. Avoid starting or stopping on a slope.
- Page 6 Safety Never carry children. They may fall off and be Grass catcher components are subject to wear, seriously injured or interfere with safe machine damage and deterioration, which could expose operation. moving parts or allow objects to be thrown. Frequently check components and replace with Never allow children to operate the machine.
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Page 7: Slope Chart
Safety Slope Chart Read all safety instructions on pages 2–4. -
Page 9: Safety And Instruction Decals
Safety 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. ON DRIVE SHAFT COVER (Part No. 98–1608) ON RADIATOR FAN SHROUD (Part No. -
Page 10: Check Before Operating
Check Before Operating Each time before operating your tractor, check the following: Fuel level Water drained from the fuel filter Engine oil level Cooling system fluid level and radiator screen Debris on the (3) air intake screens m–3584 Figure 1 Debris in the engine area 1. -
Page 11: Closing The Hood
Check Before Operating Closing the Hood Lift up on the prop rod as you begin to lower the hood. Push the hood down until the latch closes. m–3438 Figure 2 m–3318 1. Prop rod Figure 3 1. Side panel latch 2. -
Page 12: Adding Fuel
Check Before Operating Adding Fuel The engine runs on clean, fresh diesel fuel with a POTENTIAL HAZARD minimum cetane rating of 40. Purchase fuel in Under certain conditions, fuel is extremely quantities that can be used within 30 days to assure flammable and highly explosive. -
Page 13: Draining Water From The Fuel Filter/Water Separator
Check Before Operating Draining Water from the Fuel Check the Engine Oil Level Filter/Water Separator Park the machine on a level surface, disengage the power take off (PTO), set the parking brake, Any water accumulation should be drained from the lower the attachment lift, and turn the ignition fuel filter/water separator before each use. -
Page 14: Check The Cooling System
Check Before Operating Check the Cooling System Check Radiator Coolant The cooling system is filled with a 50/50 solution of water and permanent ethylene glycol anti–freeze. Check the level of coolant at the beginning of each day before starting the engine. POTENTIAL HAZARD Coolant is hot and pressurized. -
Page 15: Check For Debris
Check Before Operating Î Î Î Î Î Î Î Î Î m–3412 Figure 8 Arrows show air intake and exhaust path 1. Air intake screens (1 of 3 m–3764 shown) Figure 7 1. Reserve tank cap 3. Maximum level line (cold) 2. -
Page 16: Check The Safety Interlock System
Check Before Operating Check the Safety Interlock IMPORTANT: It is preferable to blow dirt out (Fig. 10), rather than washing it out. If System water is used, keep it away from electrical items. Always check the interlock system before operating the tractor. -
Page 17: Operation
Operation Think Safety First Parking Brake Please carefully read all the safety instructions on Always set the parking brake when you stop the pages 2–7. Knowing this information could help you, machine or leave it unattended. your family, pets or bystanders avoid injury. Setting the Parking Brake Controls Push the brake pedal (Fig. -
Page 18: Starting And Stopping The Engine
Operation Starting and Stopping Start the engine with the throttle in the FAST position. the Engine Note: Do not use fuel left over from summer. Use only fresh winter grade diesel fuel. Starting in Normal Weather Sit down on the seat. Depress the brake pedal. -
Page 19: Operating The Power Take Off (Pto)
Operation Operating the Check the Safety Interlock Power Take Off (PTO) System The power take–off (PTO) switch engages and Understanding the Safety Interlock disengages power to the electric clutch. System If the ignition key is in the RUN or LIGHTS position The safety interlock system is designed to prevent the and the power take off (PTO) is engaged, the PTO engine from starting unless:... -
Page 20: Gauges And Indicator Lights
Operation Battery Light Fully depress the brake pedal, set the parking brake, push the PTO switch to OFF and start the The battery light will be ON when the key is in the engine. Pull the PTO switch to ON. Rise RUN or LIGHTS positions if the battery voltage is slightly from the seat;... -
Page 21: Driving Forward Or Backward
Operation Engine Coolant Temperature Gauge Driving Forward or Backward This gauge shows the coolant temperature in the Stop the tractor. engine. If the gauge enters the red zone, disengage the PTO and allow the engine to cool while IMPORTANT: Never attempt to shift gears continuing to run the engine. -
Page 22: Stopping The Machine
Operation Re–centering the Steering To slow down, release the pressure on the traction control pedal and step on the brake Wheel pedal. The power steering will not always return the steering wheel to the centered position. When this happens, the steering wheel will appear to be un–centered when the front wheels return to the straight–ahead position. -
Page 23: Attachment Power Lift
Operation Attachment Power Lift Lowering Attachments Start the tractor. The attachment power lift (Fig. 18) is used to raise and lower attachments. Push the lift lever DOWN to lower the attachment (Fig. 19). Figure 19 m–3258 1. Lift lever–Up 2. Lift lever–Down Figure 18 1. -
Page 24: Positioning The Seat
Operation Positioning the Seat Positioning the Tilt Steering Wheel The seat can move forward and backward. Position the seat where you have the best control of the The steering wheel has four tilt locations. Position the machine and are most comfortable. steering wheel where you have the best control of the machine and are most comfortable. -
Page 25: Using The Cruise Control
Operation Using the Cruise Control Disengaging the Cruise Control While holding your foot steady on the traction The cruise control is a switch (Fig. 23) on the right control pedal, move the cruise control switch fender that maintains a set traction control position (Fig. -
Page 26: The Smart Turn Steering Feature
Operation The Smart Turn Steering Pushing the Machine by Hand Feature IMPORTANT: Always push the machine by hand. Never tow the machine because The Smart Turn Steering feature automatically transmission damage may occur. lowers the speed of the tractor in tight turns. The decrease in speed is directly proportional to the To Push the Machine sharpness of the turn, up to a maximum speed... -
Page 27: Maintenance
Maintenance Service Interval Chart Each Storage Service Operation Hours Hours Hours Hours Hours Service Engine Oil—check level Engine Coolant—check level Radiator Screen—check for debris* Brake—check Safety System—check (3) Air Intake Screens—clean* Engine Area—clean* Rear Transaxle Cover—clean* Fuel Filter—drain water Engine Oil—change Initial Engine Oil Filter—change Initial... - Page 28 Maintenance POTENTIAL HAZARD If you leave the key in the ignition switch, someone could start the engine. WHAT CAN HAPPEN Accidental starting of the engine could seriously injure you or other bystanders. HOW TO AVOID THE HAZARD Set the parking brake and remove the key from the ignition switch before you do any maintenance.
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Page 29: Engine Oil
Maintenance Engine Oil Service Interval/Specification POTENTIAL HAZARD Components under the hood will be hot if Change oil: the tractor has been running. After the first 50 operating hours. WHAT CAN HAPPEN Touching hot components can cause burns. After every 100 operating hours. HOW TO AVOID THE HAZARD Oil Type: High–quality detergent oil classified “API Allow the tractor to cool before performing... - Page 30 Maintenance Changing the Engine Oil Filter Service Interval/Specification Replace the oil filter after the initial 50 hours of operation and then after every 200 hours. Drain the oil from the engine; refer to Changing/Draining Oil, page 27. Figure 26 1. Oil filler cap Place a drip pan beneath the oil drip tray to receive oil from the oil filter and oil passages in the engine.
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Page 31: Changing The Engine Coolant
Maintenance Changing the Engine Coolant Open both coolant drain valves at the bottom of the radiator and allow coolant to flow into a drain pan. When coolant stops flowing, close the drain valves and dispose of the coolant properly. POTENTIAL HAZARD Slowly fill the radiator with a 50/50 mixture of Coolant is hot and pressurized. -
Page 32: Greasing And Lubrication
Maintenance Greasing and Lubrication Open the drive shaft maintenance cover on the tractor tunnel near the seat by unscrewing the Service Interval/Specification two screws securing it, then raising it (Fig. 29). Grease the machine after every 50 operating hours or yearly, whichever occurs first. -
Page 33: Tire Pressure
Maintenance Tire Pressure Lubricate the three grease fittings (Fig. 30). Service Interval/Specification Maintain the air pressure in the front and rear tires as specified. Check the pressure at the valve stem after every 25 operating hours or monthly, whichever occurs first (Fig. 32). Check the tires when they are cold to get the most accurate pressure reading. -
Page 34: Brake
Maintenance Brake Turn the brake adjustment nut (Fig. 34) until there is 2” (51 mm) of free travel. Always set the parking brake when you stop the machine or leave it unattended. Check the brake before each use. If the parking brake does not hold securely, an adjustment is required. -
Page 35: Fuel Tank
Maintenance Fuel Tank Draining the Fuel Tank POTENTIAL HAZARD In certain conditions fuel is extremely flammable and highly explosive. m–3263 WHAT CAN HAPPEN Figure 35 A fire or explosion from fuel can burn you, 1. Fuel shut-off valve others, and cause property damage. HOW TO AVOID THE HAZARD Drain fuel from the fuel tank when the engine is cold. -
Page 36: Fuel Filter
Maintenance Fuel Filter Front Wheel Toe-In Service Interval/Specification Service Interval/Specification Replace the fuel filter after every 200 operating Maintaining correct front wheel toe–in is important hours. for safety, Smart Turn Steering operation and ease of use. If uneven tire wear, lawn scuffing or hard steering develop, adjustment may be required. -
Page 37: Transaxle Fluid
Maintenance Transaxle Fluid Service Interval/Specification Check the fluid level before every use. Always keep the fluid level in the correct operating range on the dipstick when the transaxle is cold. Fluid Type: SAE 10W–30 Detergent oil (API service SG, SH or above) Checking the Fluid Level m–3397 Figure 39... - Page 38 Maintenance If the oil level is low, slowly pour only enough SAE 10W–30 detergent oil into the filler tube to raise the level to the FULL line. IMPORTANT: Do not fill above the FULL line as fluid may overflow. m–3322 Figure 43 1.
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Page 39: Fuses
Maintenance Changing the Transaxle Filter Fuses Service Interval/Specification Service Interval/Specification Replace the transaxle filter after the first 50 hours; The electrical system is protected by fuses. They then every 200 hours. require no maintenance. However, if a fuse blows, check the component and circuit for a malfunction or Drain the oil from the transaxle;... -
Page 40: Taillights
Maintenance Taillights Bulb: GE 193 Removing the Bulb Disengage the power take off (PTO), set the parking brake, lower the attachment lift, and turn the ignition key to “STOP” to stop the engine. Remove the key. Remove the two screws. Figure 46 Pull the lens out far enough so that you can 1. -
Page 41: Battery
Maintenance Battery If the fluid level is correct, press the cell cover onto the battery. Service Interval/Specification Check the electrolyte level in the battery every 25 hours. Always keep the battery clean and fully charged. Use a paper towel to clean the battery case. If the battery terminals are corroded, clean them with a solution of four parts water and one part baking soda. - Page 42 Maintenance Removing the Battery Disengage the power take off (PTO), set the parking brake, lower the attachment lift, and turn the ignition key to “STOP” to stop the engine. Remove the key. Open the hood. Remove the battery hold–down brackets (Fig.
- Page 43 Maintenance Charging the Battery IMPORTANT: Always keep the battery fully charged (1.260 specific gravity). This is especially important to prevent battery damage when the temperature is below 32 F (0 C). Remove the battery from the chassis; refer to Removing the Battery, page 40. Check the electrolyte level;...
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Page 44: Wiring Diagram
Maintenance Wiring Diagram... - Page 45 Maintenance Wiring Diagram...
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Page 46: Cleaning And Storage
Maintenance Cleaning and Storage Check and tighten all bolts, nuts, and screws. Repair or replace any part that is damaged or defective. Disengage the power take off (PTO), set the parking brake, and turn the ignition key to Paint all scratched or bare metal surfaces. Paint “STOP”... -
Page 47: Troubleshooting
Troubleshooting PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION The starter does not crank. The PTO is ON. Move the PTO to OFF. The brake is not depressed or Set the parking brake. the parking brake is not on. The operator is not seated. Sit on the seat. - Page 48 Troubleshooting PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION The engine cranks, but will not Slow cranking speed. Check the battery, oil start (continued). viscosity and starting motor (contact your Authorized Service Dealer). 10. The air cleaner element is 10. Clean or replace. dirty.
- Page 49 Troubleshooting PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION The engine runs, but knocks or There is air in the fuel. Bleed nozzles and check for misses (continued). air leaks at the fuel hose connections and fittings between the fuel tank and engine. The injection nozzles are Contact your Authorized faulty.
- Page 50 Troubleshooting PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION The engine overheats (continued). The thermostat is faulty. Contact your Authorized Service Dealer. The fan belt is loose or Contact your Authorized broken. Service Dealer. Incorrect fuel is in the fuel Drain and flush the fuel system.
- Page 51 Troubleshooting PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION Excessive black smoke from Excessive loading. Reduce load; use lower exhaust (continued). ground speed. Excessive white smoke from The engine temperature is Check the thermostat. exhaust. low. The glow plugs are Check the fuse, glow plugs inoperative.
- Page 52 Troubleshooting PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION The tractor operates erratically. The transmission oil level is Fill to the full “F” mark on the low. transmission oil dipstick when the transmission is cold. The transmission control Contact your Authorized linkage needs adjustment or Service Dealer.