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Toro 73546 Wheel Horse 520Lxi User Manual

Toro 73546 Wheel Horse 520Lxi
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Operators 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.
FORM NO. 3319–218GB
Wheel Horse
520Lxi Tractor
Model No. 73546 – 8900001 & UP
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Toro 73546 Wheel Horse 520Lxi Specifications

General IconGeneral
TransmissionHydrostatic
Drive2WD
Blades3
Turning Radius18 inches
Engine TypeGasoline, 4-cycle, air-cooled, OHV
Engine Power20 hp
Cutting Width52 inches
Cutting Height1.5 to 4 inches

Summary

Safety

Safe Operating Practices

Instructions to avoid serious injury or death when operating the machine.

General Operation Safety

Instructions for safe operation and use of the machine to prevent accidents.

Slope Operation Safety

Guidelines for safe operation on slopes to prevent loss of control and tip-overs.

Child Safety Precautions

Safety measures to prevent injury to children around the operating machine.

Service Safety Precautions

Safety guidelines for performing maintenance and repairs on the tractor.

Noise and Vibration Levels

Specifications for sound pressure, sound power, and vibration emitted by the machine.

Check Before Operating

Hood Opening and Closing

Step-by-step instructions for opening and closing the tractor hood.

Side Panel Removal

Procedure for safely removing the tractor's side panels.

Fueling the Tractor

Instructions for safely adding fuel to the tractor's fuel tank.

Engine Oil Level Check

Procedure for checking the engine oil level using the dipstick.

Cooling System Check

Instructions for checking the radiator coolant level.

Debris Check

How to check and clear debris from air intake and radiator screens.

Safety Interlock System Check

Verifying the proper function of the tractor's safety interlock system.

Brake System Check

Procedure for checking the tractor's brake system operation.

Operation

Controls Overview

Familiarization with tractor controls before starting the engine.

Parking Brake Operation

Steps for setting and releasing the tractor's parking brake.

Engine Starting and Stopping

Procedures for starting and stopping the tractor engine safely.

Power Take Off (PTO) Operation

How to engage and disengage the PTO safely.

Safety Interlock System Testing

Procedures for testing the tractor's safety interlock system.

Gauges and Indicator Lights

Explanation of dashboard gauges and warning lights.

Driving Forward or Backward

How to safely operate the tractor in forward and reverse.

Stopping the Machine

Procedures for safely stopping the tractor.

Steering Wheel Re-centering

How to re-center the steering wheel if it becomes off-center.

Attachment Power Lift

How to raise and lower tractor attachments.

Seat Positioning

How to adjust the tractor seat for comfort and control.

Headlights and Taillights

Operation of headlights and taillights.

Cruise Control Operation

How to engage and use the cruise control feature.

Tilt Steering Wheel Adjustment

How to adjust the steering wheel tilt.

Smart Turn™ Steering Feature

Explanation of the automatic speed reduction in turns.

Pushing the Machine by Hand

Safe procedure for pushing the tractor manually.

Maintenance

Service Interval Chart

Schedule for routine maintenance tasks based on operating hours.

Air Cleaner Service

Procedures for cleaning and replacing the air cleaner elements.

Engine Oil and Filter Service

Procedures for checking, changing engine oil, and replacing the oil filter.

Engine Coolant Service

Steps for draining and refilling the engine coolant.

Spark Plug Service

Procedures for checking and replacing spark plugs.

Greasing and Lubrication

How and where to lubricate the tractor components.

Tire Pressure Checks

Specifications and procedures for checking tire pressure.

Brake System Service

Procedures for checking and adjusting the tractor brakes.

Fuel Tank Draining

Procedure for safely draining the tractor's fuel tank.

Fuel Filter Replacement

How to replace the tractor's fuel filter.

Front Wheel Toe-In Adjustment

How to measure and adjust front wheel toe-in.

Transaxle Fluid Check and Change

Procedures for checking and changing the transaxle fluid.

Fuse Service

Information on fuses and procedures for replacement.

Transaxle Filter Replacement

How to replace the transaxle filter.

Power Steering Filter Cleaning

How to clean the power steering filter.

Headlight Bulb Replacement

Procedures for removing and installing headlight bulbs.

Taillight Bulb Replacement

Procedures for removing and installing taillight bulbs.

Battery Service and Checks

How to check battery electrolyte level, remove, install, and charge.

Wiring Diagram

Schematic showing electrical connections of the tractor.

Cleaning and Storage Procedures

Procedures for cleaning and storing the tractor.

Troubleshooting

Engine Troubleshooting

Diagnosing and resolving engine starting, running, and idling issues.

Engine and Drive System Issues

Diagnosing overheating, power loss, and drive system problems.

Transmission and Steering Problems

Diagnosing transmission operation, steering, and noise issues.

Vibration and Noise Issues

Diagnosing and resolving abnormal vibration and noise problems.

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