Liebherr LR 622, LR 632 Crawler Dozer Repair Manual

January 2009
Liebherr LR 622, LR 632 Crawler Dozer Repair Service Manual – 978 Pages
Bulldozer Operating manual – 257 Pages
Crawler Dozer Applicable Model : LR 622, LR 632

Table of Content of the Service Manual:

Introduction
Technical Data
Maintenance
Drive Group
Cooling System
Working Hydraulics
Travel Hydraulics
Hydraulic Components
Steering System
Brake System
Electrical System
Final Drive
Track Components
Attachments – front
Attachments – rear
Main Frame – Add On Components
Tank Arrangement
Operators cab, heating and air conditioning
Special Equipment
Additional Documentation
This service handbook is designed for trained specialists of the Liebherr organisation and their dealers.

This service handbook contains special knowledge for repairing Liebherr construction machines. Basic specialist knowledge on electronics, hydraulics, mechanics and engine technology is not contained in this service handbook. Therefore specialized training and qualifications are necessary. Liebherr recommends participation in the Liebherr training program for construction machines.

In this service handbook you will find information on LR 622, LR 632 Crawler Dozer:
– Special tools
– Technical data
– Maintenance intervals and maintenance tasks.
– Testing and adjustment tasks
– Structure and function descriptions
– Removal and installation tasks
– Circuit diagrams, hydraulic plans and technical drawings You will find information on controls and operation in the operating instructions.
Information on spare parts are in the spare parts catalogue.