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 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 Pumps: Hydro-Gear BDP-10A/16A/21L - Service and Repair Manual

Form #492-4789

Wheel Motors: Parker/Ross Wheel Motor Service Manual

Form #492-4753

Gas Engine: Through engine manufacturer

Hydraulic Troubleshooting: Interactive hydraulic troubleshooting and failure analysis on compact disk

Form #492-4777

Electrical Troubleshooting: Interactive electrical troubleshooting and wiring diagrams on compact disk

Form #492-9143

Z Master 500 Series gasoline engine machines, model years 2004 and 2005 are covered in this

manual. This manual may also be specied for use on later model products.

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

LCE 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.