Description

Liebherr A922 Rail Litronic Tier 4i Hydraulic Excavator Service Manual

Excavator Model : A 922 Rail Litronic – Valid from serial number 67926 (Type 1190)
Language: English
Publication: 11826893
Format: PDF
December 2016

Liebherr A922 Rail Litronic Tier 4i Excavator Service Manual – 1666 Pages
Operator’s manual – 522 Pages

Table of Content of the Service Manual:

• Introduction
• Technical data
• Maintenance
• Drive group
• Cooling system
• Working hydraulics
• Hydraulic components
• Steering System
• Brake system / railcar brake system
• Electrical system
• Transmission /Travel gearbox
• Axles / rail guide system
• Steel components – basic machine
• Working attachment
• Operator’s cab / heating / air-conditioning system
• Slewing gear mechanism / slewing ring
• Software / hardware
• Options

This manual contains technical data, design and functional descriptions as well as instructions for the operation and the adjustment of machine settings. The document includes a number of drawings, functional schematics and detailed views of units and assemblies of Liebherr hydraulic excavators.

– Regularly clean machine to remove corrosive materials (for example salt, phosphate, fertiliser).
– Treat metallic surfaces with conservation wax if necessary.
– Derust, prime and repaint damaged and corroded steel parts.
– Make sure that piston rods of hydraulic cylinders are coated completely with an oil film.
– If piston rods are not coated completely with an oil film: Retract and extend piston rods along the entire stroke.
– If it is not possible to retract and extend the piston rods along the entire stroke: Clean and conserve piston rods.