Liebherr ER900, ER902, ER912, ER922, ER932, ER942 Excavator Service Repair Manual

Description

Table of Content of the ER900, ER902, ER912, ER922, ER932, ER942 Manual:

• General Information
• Tools
• Technical Data / Maintenance Guidelines
• Engine
• Coupling / Splitterbox
• Hydraulic System
• Hydraulic Components
• Electrical System
• Swing Gear
• Swing Ring
• Travel Gear / Two Speed Gear Box
• Special Attachments /Additional Hydraulic Installations
• Cab Heater / Air Conditioning System
• Steel parts – basic machine
• Working attachment
• Cab / heating / air conditioning
• Undercarriage / Uppercarriage Attachments

This service manual “complement for electric powered excavators” contains all specific information relating to the LIEBHERR ER 900 – ER 942 Litronic excavators driven by an electrical motor, in particular:
– the technical data and maintenance schedule (chapter 3), – the technical specifications for the electrical motors (chapter 4), – the description and adjustments for hydraulic systems (chapter 6), – the description and adjustments for the working pumps (chapter 7), – the description of the electric systems (chapter 8).

This complement does not treat of any information which is common to Diesel powered machines.
– At the contrary, each time it is necessary,, this complement refers to the corresponding page or subgroup in the “Workshop Manual for the excavators with Diesel engine.

It is therefore advisable to insert the content of the service manual “complement for electric powered excavators” into the two volumes R 1 and R2 of the basic workshop manual “ER 900 ER 942 Litronic”.