Service Manual

ABOUT THIS MANUAL

This service manual was written expressly for Toro service technicians. The Toro Company has made every effort to

make the information in this manual complete and correct.

Basic shop safely knowledge and mechanical/electrical skills are assumed. The Table of Contents lists the systems

and the related topics covered in this manual.

The following service materials are available in addition to this service manual:

Hydrostatic Transmissions: Parker UHT Series HB Hydrostatic Transmission Service Manual (HY13-1512-M2/US)

Wheel Motors: Parker/Ross Wheel Motor Service Manual (HY13-1512-006-M1/US 3/07)

Engine: Engine service manuals (available through Kohler and Kawasaki)

Hydraulic Troubleshooting: Interactive Hydraulic Systems Troubleshooting DVD - Toro Part #492-4777

Electrical Troubleshooting: Interactive Electrical Troubleshooting DVD - Toro Part #492-9193

The Z Master G3, 3000, 5000, and 6000, model years 2009 to 2012, are covered in this manual.

The hydrostatic drive system is precision machinery. Maintain strict cleanliness control during all stages of service

and repair. Cover or cap all hose ends and ttings whenever they are exposed. Even a small amount of dirt or other

contamination can severely damage the system.

We are hopeful that you will nd this manual a valuable addition to your service shop. If you have any questions or

comments regarding this manual, please contact us at the following address:

The Toro Company

RLC Service Training Department

8111 Lyndale Avenue South

Bloomington, MN 55420

The Toro Company reserves the right to change product specications or this manual without notice.