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FORM NO. 3315–999EN Rev. A
Wheel Horse
12–38 XL
Lawn Tractor
Model No. 71202 – 3900001 & 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.

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Table of Contents
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Summarization of Contents

Introduction
Contacting Toro and Model/Serial Numbers
Information on how to contact Toro and where to find product identification numbers.
Understanding Warning Symbols
Explains the meaning of DANGER, WARNING, and CAUTION signals used in the manual.
Safety
Safe Operating Practices
Essential guidelines for safe operation of the machine.
General Operation
Key instructions for operating the machine safely and correctly.
Slope Operation
Specific safety precautions and procedures for operating on slopes.
Children Safety
Precautions to protect children from hazards associated with the machine.
Service Safety Precautions
Safety guidelines to follow when performing maintenance or repairs.
Gasoline and Oil
Recommended Gasoline
Specifies the type of gasoline to use and important precautions.
Stabilizer/Conditioner
Information on using fuel stabilizers and conditioners for engine maintenance.
Filling the Fuel Tank
Step-by-step instructions for safely filling the fuel tank.
Check Engine Oil Level
Guidance on checking the engine oil level before operation.
Operation
Think Safety First
Emphasizes the importance of reading safety instructions before operating.
Controls
Introduces the various controls on the machine.
Parking Brake
Instructions on setting and releasing the parking brake.
Positioning the Seat
How to adjust the seat for optimal control and comfort.
Positioning the Tilt Steering Wheel
How to adjust the steering wheel for better control and comfort.
Headlights
Information about the operation of optional headlights.
Using the Blade Control (PTO)
How to engage and disengage the blade control (Power Take-Off).
Setting the Height-of-Cut
Instructions for adjusting the mower deck to the desired cutting height.
Adjusting Mower Wheels
How to adjust mower wheel height to match cutting height.
Starting and Stopping the Engine
Step-by-step guide for starting and stopping the engine.
The Safety System
Explanation of the machine's safety features and their function.
Testing the Safety System
Procedure for testing the safety system before each use.
Driving Forward or Backward
How to control the machine's movement forward and backward.
Stopping the Machine
Procedures for safely stopping the machine.
Selecting Ground Speeds
Guidance on choosing the appropriate ground speed for operation.
Side Discharge or Mulch Grass
Information on configuring the mower for side discharge or mulching.
Installing the Discharge Cover
Steps to install the discharge cover for mulching.
Tips for Mowing Grass
Advice and techniques for effective and optimal grass mowing.
Maintenance
Service Interval Chart
A schedule of maintenance tasks and their recommended intervals.
Greasing and Lubrication
Instructions and locations for greasing and lubricating the machine.
Tire Pressure
Specifications and procedure for checking and maintaining tire pressure.
Adjusting the Brake
How to adjust the machine's brake for proper function.
Wiring Diagram
A schematic showing the electrical connections of the machine.
Fuse
Information about the fuse, its location, and replacement.
Headlights
Detailed instructions for removing and installing headlight bulbs.
Battery
Procedures for removing and installing the battery.
Checking Electrolyte Level
How to check and maintain the battery's electrolyte level.
Adding Water to the Battery
Instructions for adding distilled water to the battery cells.
Charging the Battery
Guidelines for safely charging the machine's battery.
Spark Plug
Instructions for checking, removing, and installing the spark plug.
Fuel Tank
Procedures for draining the fuel tank.
Fuel Filter
Instructions for replacing the fuel filter.
Throttle and Choke Control
How to check and adjust the throttle and choke control system.
Carburetor
Steps for performing initial and final adjustments on the carburetor.
Air Cleaner
Instructions for removing foam and paper air cleaner elements.
Cleaning the Foam and Paper Elements
How to clean and prepare foam and paper air cleaner elements.
Installing the Foam and Paper Elements
Steps for correctly installing air cleaner elements.
Engine Oil
Procedures for checking, draining, and changing the engine oil.
Cutting Blade
How to inspect, remove, and install the cutting blade.
Sharpening the Blade(s)
Instructions for sharpening and balancing the mower blade.
Installing the Blade(s)
Steps for correctly installing the mower blade.
Removing the Mower
Detailed steps for safely removing the mower deck from the tractor.
Installing the Mower
Step-by-step instructions for installing the mower deck onto the tractor.
Blade Drive Belt
How to remove and install the mower blade drive belt.
Side-to-Side Mower Leveling
Procedure to ensure the mower deck is level from side to side.
Front-to-Rear Blade Slope
How to adjust the mower deck for correct front-to-rear slope.
Storage
Instructions for preparing and storing the machine for extended periods.
Troubleshooting
Starter Issues
Troubleshooting steps for a starter that does not crank.
Engine Starting & Running Problems
Solutions for engines that won't start, start hard, or stop unexpectedly.
Engine Power Loss
Diagnosing and resolving issues related to the engine losing power.
Engine Overheating
Identifying causes and fixes for an overheating engine.
Machine Vibration & Movement Issues
Addressing abnormal vibration, blade rotation, and drive problems.
Uneven Cutting Height
Troubleshooting causes for uneven grass cutting.

Table of Contents