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Toro Wheel Horse 520xi Operator's Manual
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Toro Wheel Horse 520xi Operator's Manual

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FORM NO. 3321–975
Wheel Horse
520xi Tractor
Model No. 73570 – 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.
International English (GB)

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  • Page 1 FORM NO. 3321–975 Wheel Horse 520xi Tractor Model No. 73570 – 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. International English (GB)
  • 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.

  • Page 3: Table Of Contents

    Contents Page Page Positioning the Seat ....Safety ....... . . Headlights and Taillights .

  • Page 4: Safety

    Safety Safe Operation Practices for All drivers should seek and obtain professional and practical instruction. Such instruction should Ride-on (riding) Rotary emphasize: Lawnmower Machines the need for care and concentration when working with ride-on machines; This machine meets or exceeds European control of a ride-on machine sliding on a Standards in effect at the time of production.
  • Page 5 Safety If fuel is spilled, do not attempt to start the When using any attachments, never direct engine but move the machine away from discharge of material toward bystanders nor the are of spillage and avoid creating any allow anyone near the machine while in source of ignition until petrol vapors have operation.

  • Page 6: Sound Pressure Level

    Safety before making height adjustment unless To reduce the fire hazard, keep the engine, adjustment can be made from the operator’s silencer, battery compartment and petrol storage position. area free of grass, leaves, or excessive grease. 14. Reduce the throttle setting during engine run-out Check the grass catcher frequently for wear or and, if the engine is provided with a shut-off deterioration.

  • Page 7: Slope Chart

    Safety Slope Chart Read all safety instructions on pages 2–10.

  • 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 SEAT BRACKET (Part No. 98–1608) (Part No.

  • Page 10: Symbols Glossary

    Safety Symbols Glossary Safety alert symbol Dismemberment–Mower in rearward motion Safety alert symbol Stay a safe distance from the machine Read operator’s manual Stay a safe distance Consult Technical Manual for from the mower proper service procedures Keep children a safe distance Thrown or flying objects–...

  • Page 11: Symbols Glossary

    Safety Symbols Glossary Cutting element– Riding on this machine is allowed basic symbol only on a passenger seat & only if the driver’s view is not hindered Cutting element– height adjustment Crushing of fingers or hands–Force applied Cutting unit–lower from side Cutting unit-raised Kickback or upward motion–Stored energy...

  • Page 12: Symbols Glossary

    Safety Symbols Glossary Fuel Fast Slow Fuel level Decreasing/Increasing Volume empty On/Run Volume full Off/Stop Engine Battery charging conditin Engine start Head lights– Main/high beam Engine stop Brake system Choke Parking brake Clutch Engine temperature PTO (Power Take Off) Engine lubricating Engage oil pressure Disengage...

  • Page 13: 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–3584 Figure 1 The safety interlock system 1.

  • Page 14: 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 (Fig. 2). Push the hood down until the latch closes. m–3318 Figure 3 1.

  • Page 15: 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 16: 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 17: Check For Debris

    Check Before Operating Check for Debris IMPORTANT: Operating the engine with a POTENTIAL HAZARD blocked grass screen, dirty or plugged cooling Rotating air intake screen and drive shaft fins, and/or cooling shrouds removed, will can cause injury. result in engine damage from overheating. WHAT CAN HAPPEN Park the machine on a level surface, disengage Fingers, hands or loose clothing can get...

  • Page 18: Check The Safety Interlock System

    Check Before Operating Debris can build up in the engine area. Clean Check the Safety Interlock any debris build–up with a brush or blower System before each use. IMPORTANT: It is preferable to blow dirt Always check the interlock system before operating out (Fig.

  • Page 19: Operation

    Operation Think Safety First “Key Choice” Key Please carefully read all the safety instructions on A turn and release key 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 20: Starting And Stoppingthe Engine

    Operation Releasing the Parking Brake Note: Allowing the engine to warm up before putting it under load will lengthen Push down on the brake pedal (Fig. 10). The engine life. parking brake lever should release. Release the brake pedal. Starting and Stopping the Engine Starting Sit down on the seat.

  • Page 21: Operating Thepower 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 22 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. Be A child or bystander could be backed over extra observant after you have chosen to deactivate by a riding mower with its blade(s)
  • Page 23 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 24: Gauges And Indicator Lights

    Operation Gauges and Indicator Lights comes on at a higher RPM, it is important to have your battery and electrical system checked and the problem corrected. The indicator lights (Fig. 17) illuminate when certain controls are activated and when major malfunctions occur that need immediate attention.

  • Page 25: Driving Forward Or Backward

    Operation Fuel Level Gauge This gauge shows the level of fuel remaining. POTENTIAL HAZARD Excessive speed on slopes can result in Hour Meter rollover accidents or loss of control. The hour meter (Fig. 10) records the amount of time WHAT CAN HAPPEN the engine has run.

  • Page 26: Stopping The Machine

    Operation Attachment Power Lift The attachment power lift (Fig. 19) is used to raise and lower attachments. m–3258 Figure 18 1. Traction control pedal 3. Forward 2. Brake pedal 4. Backward Stopping the Machine m–3258 Figure 19 To stop the machine, release the traction control 1.

  • Page 27: Positioning The Seat

    Operation Lowering Attachments Headlights and Taillights Start the tractor. The headlights and taillights are turned on by turning the ignition key to the LIGHTS position. They can be Push the lift lever DOWN to lower the turned on even if the engine is not running. Remove attachment (Fig.

  • Page 28: Using The Cruise Control

    Operation The cruise control has a “speed–up” feature: If you initially set it to any speed other than full speed, you can speed up with your foot on the traction pedal for as long as you wish. When you release the traction pedal, the pre–selected cruise speed resumes automatically.

  • Page 29: The Smart Turnt Steering Feature

    Operation The Smart Turn Steering To Push the Machine Feature Disengage the power take off (PTO) and turn the ignition key to “STOP” to stop the engine. The Smart Turn Steering feature automatically Move the High–Low range lever to the neutral lowers the speed of the tractor in tight turns.

  • Page 30: 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 Transaxle—check oil level Battery—check electrolyte level Transaxle—change oil Initial...

  • Page 31: 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 32 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. 26).

  • Page 33: 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 34 Maintenance 1256 m–3262 Figure 28 Figure 29 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 35: Spark Plugs

    Maintenance Spark Plugs Remove the spark plug(s) and metal washer. Service Interval/Specification Change the spark plugs after every 200 operating hours. Make sure the air gap between the center and side electrodes is correct before installing the spark plugs. Use a spark plug wrench for removing and installing the spark plugs and a gapping tool/feeler gauge to check and adjust the air gap.

  • Page 36: Greasing And Lubrication

    Maintenance Connect a grease gun to the fitting. Pump grease into the fittings until grease begins to ooze out of the bearings. Wipe up any excess grease. 0.030” (0.76 mm) Where to Add Grease Lubricate the left–hand and right–hand spindles m–3215 until grease begins to ooze out of the bearings Figure 31...
  • Page 37 Maintenance Lubricate the three grease fittings (Fig. 34) m–3422 Figure 33 m–3419 1. Drive shaft maintenance Figure 34 cover Replace and secure the cover. POTENTIAL HAZARD Grease the fitting on the brake pedal (Fig. 35). Rotating shaft or cooling fan can cause injury.

  • Page 38: Tire Pressure

    Maintenance Brake 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 the power take off (PTO), put the High–Low range lever in “N,”...

  • Page 39: Fuel Tank

    Maintenance Fuel Tank 2” Draining The Fuel Tank POTENTIAL HAZARD In certain conditions gasoline is extremely flammable and highly explosive. m–3418 WHAT CAN HAPPEN Figure 38 A fire or explosion from gasoline can burn you, others, and cause property damage. HOW TO AVOID THE HAZARD Turn the brake adjustment nut (Fig.

  • Page 40: Fuel Filter

    Maintenance should normally be left open, except for service on the fuel system or when the tractor is transported on a trailer. Fuel Filter Service Interval/Specification Replace the fuel filter after every 100 operating m–3263 hours. Figure 40 1. Fuel shut-off valve Replacing the Fuel Filter Disengage the power take off (PTO), set the parking brake, lower the attachment lift, and turn...

  • Page 41: Front Wheel Toe-In

    Maintenance Open the fuel shut-off valve at the fuel tank (Fig. 40 & 41). Replace the side panels and close the hood. Front Wheel Toe-In Service Interval/Specification Maintaining correct front wheel toe–in is important m–3421 for safety, Smart Turn Steering operation, and ease Figure 43 of use.
  • Page 42 Maintenance IMPORTANT: Make sure that the flat surface on the top of the front tie rod ends is parallel to the bottom of the steering arm (Fig. 45). m–3583 Figure 45 View from front of tractor looking at the tie rod 1.

  • Page 43: 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 44 Maintenance attachment lift, and turn the ignition key to Changing the Transaxle Filter “STOP” to stop the engine. Remove the ignition Service Interval/Specification key. Replace the transaxle filter after the first 50 hours; Place a pan below the transaxle drain. Open the then every 200 hours.

  • Page 45: Fuses

    Maintenance Fuses Service Interval/Specification The electrical system is protected by fuses. They require no maintenance. However, if a fuse blows, check the component and circuit for a malfunction or short. To replace a fuse, pull it out of the fuse box (Fig.

  • Page 46: Taillights

    Maintenance Taillights Installing the Bulb Reverse the bulb removal procedure. Bulb: GE 194 Battery Removing the Bulb Disengage the power take off (PTO), set the Service Interval/Specification parking brake, lower the attachment lift, and turn the ignition key to “STOP” to stop the engine. Check the electrolyte level in the battery every 25 Remove the ignition key.
  • Page 47 Maintenance Figure 55 1. Lower part of the battery cell tube m–3558 Figure 54 1. Grille screw (1 of 2) Adding Water to the Battery Remove the battery shield. IMPORTANT: Use only distilled water. Open the cell covers to see into the cells. The The best time to add distilled water to the battery is electrolyte must be up to the lower part of the just before you operate the machine.
  • Page 48 Maintenance Replace the front grille of the tractor, securing it with the two previously removed screws and washers (Fig. 54). POTENTIAL HAZARD Either the battery terminals or metal tools Removing the Battery could short against metal tractor components. Disengage the power take off (PTO), set the Incorrect battery cable routing could parking brake, lower the attachment lift, and turn damage the cables.
  • Page 49 Maintenance Replace the front grille of the tractor, securing it with the two previously removed screws and washers (Fig. 54). 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).

  • Page 50: Wiring Diagram

    Maintenance Wiring Diagram...

  • Page 51: 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 44. 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 52: 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 53 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 54 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 55 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. e t e d ect o in “N.” lever to “L” or “H.” The transmission oil is low. Fill to the full “F”...
  • Page 56 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.

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