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Related Manuals for Toro 73545
Summary of Contents for Toro 73545
- Page 1 FORM NO. 3319–796 Wheel Horse 520Lxi Tractor Model No. 73545 – 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 Maintenance ......Safety ....... . . Service Interval Chart . -
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 Children Keep nuts and bolts tight, especially the blade attachment bolts. Keep equipment in good Tragic accidents can occur if the operator is not alert condition. to the presence of children. Children are often Never tamper with safety devices. Check safety attracted to the machine and the mowing activity.
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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 ON BATTERY STRAP (Part No. 93–1265) (Part No. -
Page 10: Check Before Operating
Check Before Operating Each time before operating your tractor, check the following: Fuel level Engine oil level Cooling system fluid level and radiator screen Debris on the (3) air intake screens Debris in the engine area m–3314 Figure 1 Debris on the rear transaxle cover 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 (Fig. 2). 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 Filling the Fuel Tank Park the machine on a level surface, disengage Use UNLEADED Regular Gasoline suitable for the power take off (PTO), set the parking brake, automotive use (85 pump octane minimum). Leaded lower the attachment lift, and turn the ignition regular gasoline may be used if unleaded regular is key to “STOP”... -
Page 13: Check The Cooling System
Check Before Operating Check the Cooling System IMPORTANT: Do not overfill the crankcase with oil because this may result in engine damage. 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. -
Page 14: Check For Debris
Check Before Operating Figure 7 m–3423 Curved arrows show air intake and exhaust path Figure 6 1. Air intake screens (2 of 3 shown) 1. Reserve tank cap 3. Maximum level line (cold) 2. Reserve tank 4. Minimum level line (cold) If coolant is low, remove the reserve tank cap and add a 50/50 mixture of water and permanent ethylene glycol anti–freeze. -
Page 15: Check The Safety Interlock System
Check Before Operating Check the Safety Interlock IMPORTANT: It is preferable to blow dirt out (Fig. 9), 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 16: 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. While the ignition key is in the RUN or LIGHTS positions and the parking brake is engaged, the lights in the indicator module and gauges will be lit. -
Page 17: Starting And Stopping The Engine
Operation Starting and Stopping the Engine Starting Sit down on the seat. Depress the brake pedal. Note: The engine will not start unless you fully depress the brake pedal. m–3257 Figure 12 Push the PTO (power take off) switch to OFF 1. -
Page 18: 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 19: 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 20: Driving Forward Or Backward
Operation Engine Water Temperature Gauge This gauge shows the water temperature in the engine. If the gauge enters the red zone, disengage POTENTIAL HAZARD the PTO and allow the engine to cool while Excessive speed on slopes can result in continuing to run the engine. -
Page 21: Stopping The Machine
Operation Stopping the Machine Re–centering the Steering Wheel To stop the machine, release the traction control pedal, step on the brake pedal, disengage the power The power steering will not always return the steering take off (PTO), lower the attachment lift, and turn the wheel to the centered position. -
Page 22: Attachment Power Lift
Operation Attachment Power Lift Lowering Attachments Start the tractor. The attachment power lift (Fig. 17) is used to raise and lower attachments. Push the lift lever DOWN to lower the attachment (Fig. 18). Figure 18 1. Lift lever–Up 2. Lift lever–Down m–3258 Figure 17 1. -
Page 23: Headlights And Taillights
Operation Headlights and Taillights Using the Cruise Control The headlights and taillights are turned on by turning The cruise control is a switch (Fig. 22) on the right the ignition key to the LIGHTS position. They can fender that maintains a set traction control position be turned on even if the engine is not running. -
Page 24: The Smart Turn Steering Feature
Operation Disengaging the Cruise Control While holding your foot steady on the traction control, move the cruise control switch (Fig. 11) POTENTIAL HAZARD to the “OFF” position. Excessive speed when turning can result in rollover accidents. This unlocks the traction control. You must now WHAT CAN HAPPEN use the traction control to move forward. -
Page 25: Maintenance
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 Remove the key from the ignition switch and pull the wire(s) off the spark plug(s) before you do any maintenance. - Page 26 Maintenance Each Storage Service Operation Hours Hours Hours Hours Hours Service Fan Belt—check Engine Oil Filter—change Inspect radiator and hoses Chipped Surfaces—paint Radiator—flush and change coolant (every 400 hours or 2 years) * More often in dusty, dirty conditions Air Cleaner Service Interval/Specification Foam Element: Clean and re-oil after every 25 operating hours, or yearly, whichever occurs first.
- Page 27 Maintenance Cleaning the Paper Element Clean the paper element by tapping it gently on a flat surface to remove dust. Inspect the element for tears, an oily film, and damage. If the element is very dirty or damaged, replace it with a new one. IMPORTANT: Never clean the paper element with pressurized air or liquids, such as solvent, gas, or kerosene.
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Page 28: 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 5 operating hours. WHAT CAN HAPPEN Touching hot components can cause burns. After every 100 operating hours. HOW TO AVOID THE HAZARD Oil Type: Detergent oil (API service SG or SH) Allow the tractor to cool before performing... - Page 29 Maintenance Changing the Engine Oil Filter Service Interval/Specification Replace the oil filter after every 200 hours or every other oil change. Drain the oil from the engine; refer to Changing/Draining Oil, page 26. 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 30: Changing The Engine Coolant
Maintenance Changing the Engine Coolant Open the coolant drain at the bottom of the radiator and allow coolant to flow into a drain pan. When coolant stops flowing, close the drain. Remove the coolant plug from the engine and POTENTIAL HAZARD allow coolant to flow into the drain pan. -
Page 31: Spark Plugs
Maintenance Spark Plugs Checking the Spark Plugs Look at the center of the spark plug(s) (Fig. 31). Service Interval/Specification If you see light brown or gray on the insulator, the engine is operating properly. A black coating Check the spark plugs and reset the air gap as on the insulator usually means the air cleaner is necessary. -
Page 32: Greasing And Lubrication
Maintenance Greasing and Lubrication Service Interval/Specification Grease the machine after every 50 operating hours or yearly, whichever occurs first. Grease more frequently when operating conditions are extremely dusty or sandy. Grease Type: General-purpose grease. m–3240 Figure 32 How to Grease Disengage the power take off (PTO), set the Open the drive shaft maintenance cover on the parking brake, lower the attachment lift, and turn... -
Page 33: Tire Pressure
Maintenance POTENTIAL HAZARD Rotating shaft or cooling fan can cause injury. WHAT CAN HAPPEN Fingers, hands, feet, hair, etc. can get caught by shaft or fan. Loose clothing can get caught by shaft. m–3420 HOW TO AVOID THE HAZARD Figure 35 Do not operate the tractor without the drive shaft cover in place. -
Page 34: Brake
Maintenance Brake Turn the brake adjustment nut (Fig. 38) 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 gasoline is extremely flammable and highly explosive. m–2487 WHAT CAN HAPPEN Figure 40 A fire or explosion from gasoline can burn you, others, and cause property damage. 1. Hose clamp 3. -
Page 36: Fuel Filter
Maintenance Fuel Filter Front Wheel Toe-In Service Interval/Specification Service Interval/Specification Replace the fuel filter after every 100 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 m–3260 Figure 44 m–3397 Figure 43 1. Transmission dipstick and filler tube 1. Jam nut 2. Steering rod Pull out the transmission dipstick and wipe the metal end clean (Fig. 44). Adjusting Toe-In Slide the dipstick fully into the filler tube Loosen the jam nuts at the ends of the steering (Fig. - Page 38 Maintenance Changing Transaxle Oil Change the transaxle filter; refer to Changing the Transaxle Filter, page 36. Replace the transaxle fluid at 50 hours initially, then Slowly pour the specified refill capacity of oil every 200 hours thereafter. into the filler tube (Fig. 44). Fluid Type: SAE 10W–30 Detergent oil (API service Start the engine, let it run for 30 seconds at high SG, SH or above)
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Page 39: Fuse
Maintenance Headlights Install the replacement transaxle filter to the filter adapter. Turn the filter clockwise until the rubber gasket contacts the filter adapter, then Specification: Bulb # 1156 Automotive Type tighten the filter an additional 3/4 turn (Fig. 47). Fill the transaxle with the proper type of new oil; Removing the Bulb refer to Changing/Draining Transaxle Fluid, Disengage the power take off (PTO), set the... -
Page 40: Taillights
Maintenance Installing the Bulb Taillights The bulb has metal pins on the side of its base. Bulb: GE 194 Align the pins with the slots in the bulb holder and insert the base into the holder (Fig. 50). Removing the Bulb Push and rotate the bulb clockwise until it stops. -
Page 41: Battery
Maintenance 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. Remove the front grill by pulling it outward toward you.
- 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 fully charged battery maintains its charge for about 50 days at temperatures lower than 40 F (4 C). If the temperatures will be above Disengage the power take off (PTO), set the 40 F (4 C), check the water level in the parking brake, and turn the ignition key to battery and charge it every 30 days. -
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 starts, but does not Misadjusted or faulty choke or Contact your Authorized keep running throttle control cable. Service Dealer. The fuel tank vent is Contact your Authorized restricted. Service Dealer. Dirt or water in the fuel Drain and flush the fuel system.
- Page 49 Troubleshooting PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION The engine overheats. More coolant is needed. Check and add coolant. (3) air intake screens are Clean with every use. dirty. Restricted air flow into the Inspect and clean the radiator engine. screen with every use. The crankcase oil level is Fill or drain to the full mark.
- Page 50 Troubleshooting PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION The tractor will not operate in The High–Low range lever is Move the High–Low range either direction. in “N.” lever to “L” or “H.” The transmission oil is low. Fill to the full “F” mark on the transmission oil dipstick when the transmission is cold.
- Page 51 Troubleshooting PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION Abnormal vibration or noise. The engine mounting bolts Tighten the engine mounting are loose. bolts. The idler pulley or cutter deck Tighten the appropriate blade is loose. pulley. The transaxle cooling fan is Contact your Authorized loose.
- Page 52 Rev. 7/21/97...