Toro 91764SL Lawn Mower User Manual

Part No. 91764SL

Service Manual

Hydroject 3000/4000

This publications provides the service technician with information for troubleshooting, testing, and repair of the

Hydroject. Additional information is available in the

Hydroject 3000/4000 Troubleshooting Guide, Part

No. 97928SL.

REFER TO THE HYDROJECT OPERATORS MANUAL FOR OPERATING, MAINTENANCE AND ADJUSTMENT INSTRUCTIONS. Space is provided in

Chapter 2 of this book to insert the Operators Manual and Parts Catalog for your machine. A replacement

Operators Manual is available by sending the complete

Model and Serial Number of the machine to:

The Toro Company

8111 Lyndale Avenue South

Bloomington, MN 55420

The Toro Company reserves the right to change product specifications or this publication without notice.

Th is safety symbol means DANGER,

WARNING, or CAUTION, PERSONAL SAFETY

INSTRUCTION. When you see this symbol, carefully read the instructions that follow.

Failure to obey the instructions may result in personal injury.

NOTE: A NOTE will give general information about the correct operation, maintenance, service, testing or re pair of the machine.

IMPORTANT: The IMPORTANT notice will give im

portant instructions which must be followed to pre vent damage to systems or components on the

The Toro Company 1991-1997

Hydroject 3000/4000

Table Of Contents

Chapter 1 - Safety

Chapter 5 - Electrical System

Safety Instructions ... ... ... ... ... ...

Safety and Instruction Decals... ... ... ...

Wiring Schematics and Diagrams... ... ... .

Special Tools... ... ... ... ... ... ... .

Troubleshooting ... ... ... ... ... ... . .

Testing ... ... ... ... ... ... ... ...

Repairs ... ... ... ... ... ... ... ...

Chapter 2 - Product Records and Manuals

Product Records... ... ... ... ... ... . .

Equivalents and Conversions ... ... ... ...

Torque Specifications ... ... ... ... ... . .

Lubrication ... ... ... ... ... ... ... . .

Equipment Operation and Service History Forms

Chapter 3 - Engine

Specifications ... ... ... ... ... ... ...

Repairs ... ... ... ... ... ... ... ... .

Onan Engine Service Manual

Chapter 6 - Water System

Specifications ... ... ... ... ... ... ...

Water System Schematic ... ... ... ... . . .

Special Tools... ... ... ... ... ... ... .

Troubleshooting ... ... ... ... ... ... . .

Testing ... ... ... ... ... ... ... ...

Adjustments ... ... ... ... ... ... ...

Repairs ... ... ... ... ... ... ... ...

Chapter 7 - Wheels, Steering and Brakes

Chapter 4 - Hydraulic System

Specifications ... ... ... ... ... ... ...

General Information ... ... ... ... ... . . .

Hydraulic Diagram ... ... ... ... ... ...

Special Tools ... ... ... ... ... ... ...

Troubleshooting ... ... ... ... ... ... . .

Testing ... ... ... ... ... ... ... ... .

Adjustments ... ... ... ... ... ... ...

Repairs ... ... ... ... ... ... ... ...

Hydroject 3000/4000

Adjustments ... ... ... ... ... ... ... .

Repairs ... ... ... ... ... ... ... ... .

Chapter 8 - Hydroject 4000 Addendum

Safety and Instruction Decals ... ... ... ...

Specifications ... ... ... ... ... ... ...

Maintenance Schedule ... ... ... ... ... .

Electrical Schematic ... ... ... ... ... . .

Water System Diagram... ... ... ... ...

Service and Repairs ... ... ... ... ... . .

Hydroject 3000/4000

Chapter 1

Table of Contents

SAFETY INSTRUCTIONS ... ... ... ... ... . .

Before Operating ... ... ... ... ... ... ...

While Operating ... ... ... ... ... ... ... .

Maintenance and Service ... ... ... ... ... .

SAFETY AND INSTRUCTION DECALS ... ... . .

Safety Instructions

Although hazard control and accident prevention partially are dependent upon the design and configuration of the machine, these factors are also dependent upon the awareness, concern, and