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Table of Contents
Related Manuals for Toro 73471
Summary of Contents for Toro 73471
- Page 1 FORM NO. 3321–939 Wheel Horse 518xi Tractor Model No. 73471 – 9900001 & 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 The warning system in this manual identifies potential hazards and has special safety messages that All of us at Toro want you to be completely satisfied help you and others avoid personal injury, even death. with your new product, so feel free to contact your...
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Page 3: Table Of Contents
Contents Page Page Attachment Power Lift ....Safety ....... . . Positioning the Seat . -
Page 4: Safety
Safety This machine meets or exceeds the B71.1–1996 Clear the area of objects such as rocks, toys, specifications of the American National Standards wire, etc., which could be picked up and thrown Institute, in effect at the time of production. by the blade. -
Page 5: Slope Operation
Safety 17. Use extra care when loading or unloading the DO NOT machine into a trailer or truck. Do not operate machine on hillsides or slopes 18. Do not touch equipment or attachment parts exceeding 15 . which may be hot from operation. Allow to cool Avoid turning on slopes. - Page 6 Use extra care when approaching blind corners, shrubs, trees, the end of a fence or other objects 10. Use only genuine Toro replacement parts to that may obscure vision. ensure that original standards are maintained. 11. Check brake operation frequently. Adjust and Service service as required.
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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 FRONT OF SEAT ON DRIVE SHAFT COVER BRACKET (Part No. -
Page 10: Check Before Operating
Check Before Operating Each time before operating your tractor, check the following: Fuel level Engine oil level Debris on the (3) air intake screens Debris in the engine area Debris on the rear transaxle cover m–3314 Figure 1 The safety interlock system 1. -
Page 11: Closing The Hood
Check Before Operating Closing the Hood The hood catch is located at the left hand corner of the grille. Press rearward on the hood catch as you begin to lower the hood. Push the hood down until the latch closes. m–3318 Figure 3 1. -
Page 12: Adding Fuel
Check Before Operating Adding Fuel Use UNLEADED Regular Gasoline suitable for POTENTIAL HAZARD automotive use (85 pump octane minimum). Leaded When fueling, under certain circumstances, regular gasoline may be used if unleaded regular is a static charge can develop, igniting the not available. -
Page 13: Check The Engine Oil Level
Check Before Operating Clean around the fuel tank cap and remove the cap. Use a funnel and add fuel until the fuel level is 1/4 to 1/2 inch (6 mm to 13 mm) below the bottom of the filler neck. This space in the tank allows for expansion of the fuel. - Page 14 Check Before Operating Ï Ï Ï Ï Ï Ï Ï Ï Ï Ï Ï Park the machine on a level surface, disengage Ï Ï Ï Ï Ï Ï Ï Ï Ï Ï Ï the power take off (PTO), set the parking brake, Ï...
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Page 15: Check The Safety Interlock System
Check Before Operating The rear transaxle cover is an air intake area for Check the Safety Interlock cooling the transaxle. Clean debris from the rear System transaxle cover before operating the tractor (Fig. Always check the interlock system before operating the tractor. -
Page 16: Operation
Operation Think Safety First “Key Choice” Key Please carefully read all the safety instructions on A turn and release switch used for deactivating the pages 2–7. Knowing this information could help you, “Operating–In–Reverse” interlock feature. Located your family, pets or bystanders avoid injury. on the seat bracket in front of and just below the seat (Fig. -
Page 17: Starting And Stopping The Engine
Operation Releasing the Parking Brake Push down on the brake pedal (Fig. 10). The parking brake lever should release. Release the brake pedal. Starting and Stopping the Engine m–3257 Starting Figure 12 1. Throttle 3. PTO switch Sit down on the seat. 2. -
Page 18: Operating The Power Take Off (Pto)
Operation Operating the The Safety Interlock System Power Take Off (PTO) Understanding the Safety Interlock System The power take–off (PTO) switch engages and disengages power to the electric clutch. The safety interlock system is designed to prevent the engine from starting unless: If the ignition key is in the RUN or LIGHTS position and the power take off (PTO) is engaged, the PTO You are sitting on the seat... - Page 19 Operation Before deactivating this feature, be sure there are no children present on or near the property where you are using the tractor, and that none are likely to appear POTENTIAL HAZARD while you are mowing or operating an attachment. A child or bystander could be backed over Be extra observant after you have chosen to by a riding mower with its blade(s)
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Page 20: Testing The Safety Interlock System
Operation Fully depress the brake pedal, set the parking brake, push the PTO switch to OFF and start the engine. Pull the PTO switch to ON. Rise slightly from the seat; the engine should stop. With the parking brake released, turn the ignition key to RUN without starting the engine. -
Page 21: Gauges And Indicator Lights
Operation Gauges and Indicator Lights Operating–in–Reverse Warning Light The Operating–in–Reverse warning light will The indicator lights (Fig. 17) illuminate when certain illuminate whenever the “Key Choice” key is used to controls are activated and when major malfunctions deactivate the operating–in–reverse interlock. It is a occur that need immediate attention. -
Page 22: Driving Forward Or Backward
Operation Driving Forward or Backward Place your foot on the traction control pedal and slowly press on the top of the pedal to move forward, or on the bottom of the pedal to move Stop the tractor. backward (Fig. 18). The farther you move the pedal in either direction, the faster the machine IMPORTANT: Never attempt to shift gears will move in that direction. -
Page 23: Attachment Power Lift
Operation Raising Attachments Start the tractor. POTENTIAL HAZARD Pull the lift lever UP to raise the attachment Someone could move or attempt to operate (Fig. 20). This will lift and hold the attachment the tractor while it is unattended. in the raised position. WHAT CAN HAPPEN Children or bystanders may be injured if they use the tractor. -
Page 24: Positioning The Seat
Operation 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. To adjust, move the lever sideways to unlock seat (Fig. 21). m–3312 Slide the seat to the desired position and release Figure 22 the lever to lock the seat into position. -
Page 25: 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 26: Maintenance
Maintenance Service Interval Chart Each Storage Service Operation Hours Hours Hours Hours Hours Service Engine Oil—check level Brake—check Safety System—check (3) Air Intake Screens—clean* Engine Area—clean* Rear Transaxle Cover—clean* Engine Oil—change Initial Engine Air Precleaner—clean* Tires—check pressure Battery—check electrolyte level Transaxle—check oil level Transaxle—change oil Initial... -
Page 27: Air Cleaner
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 28 Maintenance Cleaning the Foam Element Wash the foam element in liquid soap and warm water. When the element is clean, rinse it thoroughly. Dry the element by squeezing it in a clean cloth. Put one or two ounces of oil on the element (Fig. 25).
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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 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 30: Changing The Engine Oil Filter
Maintenance 1256 m–3262 Figure 27 Figure 28 1. Oil drain 1. Oil filter 3. Adapter 2. Gasket IMPORTANT: Overfilling the crankcase with Install the replacement oil filter to the filter oil may cause engine damage. adapter. Turn the oil filter clockwise until the rubber gasket contacts the filter adapter, then Changing the Engine Oil Filter tighten the filter an additional 1/2 turn (Fig. -
Page 31: Spark Plugs
Maintenance Spark Plugs Checking the Spark Plugs Look at the center of the spark plug(s) (Fig. 30). Service Interval/Specification If you see light brown or gray on the insulator, the engine is operating properly. A black coating Change the spark plugs after every 200 operating on the insulator usually means the air cleaner is hours. -
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. 32). Grease the machine after every 50 operating hours or yearly, whichever occurs first. -
Page 33: Tire Pressure
Maintenance Lubricate the three grease fittings (Fig. 33). m–3409 Figure 35 m–4224 Figure 33 Tire Pressure Replace and secure the cover. Service Interval/Specification Grease the fitting on the brake pedal (Fig. 34). Maintain the air pressure in the front and rear tires as specified. -
Page 34: Brake
Maintenance Brake 2” 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. Checking the Brake Park the machine on a level surface, disengage m–3418 the power take off (PTO), put the High–Low Figure 37... -
Page 35: Fuel Tank
Maintenance IMPORTANT: With the parking brake released, the rear wheels must rotate freely when you push the tractor. If brake action and free wheel rotation cannot be achieved, contact your Authorized Service Dealer immediately. Fuel Tank m–3263 Draining The Fuel Tank Figure 39 1. -
Page 36: Fuel Filter
Maintenance Install the fuel line onto the fuel shut-off valve. Slide the hose clamp close to the valve to secure the fuel line (Fig. 40). The fuel shut–off valve should normally be left open, except for service on the fuel system or when the tractor is transported on a trailer. -
Page 37: Front Wheel Toe-In
Maintenance Front Wheel Toe-In Service Interval/Specification Maintaining correct front wheel toe–in is important for safety, Automatic Speed Reduction operation, and ease of use. If uneven tire wear, lawn scuffing or hard steering develop, adjustment may be required. Check the toe-in after every 100 operating hours or once a year, whichever occurs first (Fig. -
Page 38: Transaxle Fluid
Maintenance Transaxle Fluid Slide the dipstick fully into the filler tube (Fig. 5). Pull the dipstick out and look at the metal end. When the transaxle is cold, oil should Service Interval/Specification be in the operating range, below the FULL line on the dipstick (Fig. - Page 39 Maintenance Park the machine on a level surface to assure the Slowly pour the specified refill capacity of oil oil drains completely. Then turn off the power into the filler tube (Fig. 45). take off (PTO), set the parking brake, lower the Start the engine, let it run for 30 seconds at high attachment lift, and turn the ignition key to idle, and cycle the steering wheel several times...
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Page 40: Fuses
Maintenance Install the replacement transaxle filter to the Headlights 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. 48). 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 41: Battery
Maintenance Installing the Bulb Checking the Electrolyte Level The bulb has metal pins on the side of its base. Park the machine on a level surface. Disengage Align the pins with the slots in the bulb holder the power take off (PTO), set the parking brake, and insert the base into the holder (Fig. - Page 42 Maintenance Adding Water to the Battery Disconnect the positive (red) cable from the battery post (Fig. 53). IMPORTANT: Use only distilled water. Remove the battery by lifting it up, then pulling The best time to add distilled water to the battery is it out (directly toward you) from the tractor.
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Page 43: Charging The Battery
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;... -
Page 44: Wiring Diagram
Maintenance Wiring Diagram... -
Page 45: Cleaning And Storage
Maintenance Cleaning and Storage Remove the battery from the chassis, check the electrolyte level, and charge it fully; refer to Battery, page 39. Do not connect the battery Disengage the power take off (PTO), set the cables to the battery posts during storage. parking brake, and turn the ignition key to “STOP”... -
Page 46: 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 47 Troubleshooting PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION The engine starts, but does not Misadjusted or faulty choke or Contact your Authorized keep running eep u 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 48 Troubleshooting PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION The engine overheats. The crankcase oil level is Fill or drain to the full mark. incorrect. The fuel mixture is lean. Contact your Authorized Service Dealer. Excessive loading. Reduce load; use lower ground speed. (3) air intake screens are Clean with every use.
- Page 49 Troubleshooting The tractor will not operate in The High–Low range lever is Move the High–Low range either direction. e t e d ect o 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 50 Troubleshooting 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. Service Dealer. There is a problem with the Contact your Authorized electric clutch...
- Page 51 Rev. 7/21/97...