Liebherr LH120 ETG, LH150C, LH150 ETG Hydraulic Excavator Service Manual

Product Overview

The Liebherr Hydraulic Excavator Service Manual is an essential resource for maintaining and troubleshooting the LH120 ETG, LH150C, and LH150 ETG models. This comprehensive guide is designed for excavators from serial numbers:

• LH 120 ETG: 82914-84522
• LH 150 CE: 71308-
• LH 150 ETG: 87339-88133

This manual is published in English, formatted as a PDF document, and consists of 380 pages. The publication date is April 2016, and it is identified with publication number 11837677.

Key Features

• Detailed technical data and specifications
• Structured maintenance guidelines
• Comprehensive sections on drive systems, cooling, and hydraulics
• Illustrative diagrams and detailed unit views
• Operator’s cab systems including heating and air conditioning

Benefits

• Facilitates efficient and safe excavator operation
• Assists in accurate troubleshooting and repairs
• Enhances understanding of complex hydraulic systems
• Supports customer services effectively
• Includes guidance for adjusting machine settings

Usage Recommendations

• Designed for technically trained personnel and users who have completed LIEBHERR operator training courses
• Ideal for use in workshops and on-site service locations
• Helpful for both routine maintenance and unforeseen repairs
• Should be used in conjunction with proper technical training

Table of Contents

• Introduction
• Technical Data
• Maintenance
• Drive Group
• Cooling System
• Working Hydraulics
• Hydraulic Components
• Travel Hydraulics
• Steering System
• Brake System
• Electrical System
• Transmission/Travel Gear Mechanism
• Axles/Drive
• Steel Components – Basic Machine
• Working Attachment
• Operator’s Cab/Heating/Air Conditioning Unit
• Lubrication System
• Slewing Gear Mechanism/Slewing Ring
• Equipment/Options
• Diagnosis

This manual is a vital tool for understanding the configuration and operational functionalities of Liebherr hydraulic excavators. While it supports technical service operations, it is not a substitute for professional training.