Foreword; General; California Proposition 65 Warning; How To Use This Manual - Husqvarna Z400 Series Service Manual

General

This manual provides detailed information and
procedures to safely repair and maintain the following:
Husqvarna Z448, Z454, Z454X, Z460, and Z460X
Zero-Turn Mowers.
This manual is intended to introduce and guide the user
through the latest factory-approved troubleshooting and
repair techniques and practices.
Before you attempt to troubleshoot or make repairs, you
must be familiar with the operation of this machine. Refer
to the operator manual and parts manual for specific
information on these topics.
THE INFORMATION CONTAINED IN THIS MANUAL IS
BASED ON MACHINES MANUFACTURED UP TO THE
TIME OF PUBLICATION. HUSQVARNA RESERVES
THE RIGHT TO CHANGE ANY OF THIS INFORMATION
WITHOUT NOTICE.
California
Proposition 65 Warning
WARNING
!
Certain vehicle components contain or emit
chemicals known to the State of California to
cause cancer and birth defects or other
reproductive harm.

How to Use This Manual

This manual is designed to provide multiple ways to
locate and access repair information.
Read each section in its entirety before beginning a
procedure. Proper understanding of machine operation
and components is the key to successful diagnostics and
repair.
Make use of the special information features within this
manual in order to be better prepared to perform
repairs. Always follow manual procedures and safety
guidelines. Never take shortcuts.

Table of Contents

Major machine components or topics of interest are
separated into specific chapters. Each manual lists
these chapters in a main Table of Contents.
Z400 Series

Required Tools and Materials

Some procedures will require the use of specific tools
and/or materials. These tools and/or materials will be
listed for reference as needed.

Quick Reference Specifications

A list of all machine specifications can be found in
Chapter 2, "Specifications". This listing contains the
following:
• Product Identification Number Location
• Engine Identification Number Location
• Component Location
• Machine Specifications
• Special Torques
• Hex Head Cap Screw Torques

Warnings and Cautions

Warning and caution indicators are located throughout
the manual at specific points of interest. These notices
are given to prevent personal injury, death, and/or
equipment damage. Always heed these notices and
practice common sense when performing any
maintenance or repair procedure.

Note and Important

Special notes are given in order to draw attention to
detailed instructions. These notes are intended to give
further important information regarding the machine
and/or a step in a procedure.

Troubleshooting

Troubleshooting charts are provided in chapters 5–7, to
aid in the diagnostic process. Use these suggestions to
aid in identifying a potential mechanical, electrical, or
machine problem.
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Foreword