Description

Liebherr A934C, A944C-HD, A954C-HD, R934C Litronic Excavator Manual

Excavator Model Applicable for:
A 934 C Litronic  from serial no 28016 (Type 1006, 1498,1440 )
A 934 C Litronic  ERC from serial no 56557 (Type 1418)
A 934 C HD Litronic from serial no 25436 (Type 1007, 1499)
A 934 C HD Litronic ERC from serial no 58696 (Type 1419)
A 934 C HD Litronic  Log Loader from serial no 31793 (Type 1053)
A 944 C HD Litronic, from serial no 24475 (Type 194)
A 934 C HD Litronic  Log Loader from serial no 29225 (Type 196)
A 954 C HD Litronic from serial no 21416 (Type 450)
R 934 C Litronic  from serial no 28016 (Type 1498, 1440 )
Language: English
Publication: 10290500 & 11834305
Format: PDF
January 2017

Liebherr A934C, A944C-HD, A954C-HD, R934C Litronic Excavator Service Manual – 2337 Pages & 1247 Pages
Operating Manual – 279 Pages

Table of Content of the Service Manual:

• 1 General information
• 2 Tools
• 3 Technical data / Maintenance guidelines
• 4 Engine
• 5 Coupling / Splitterbox
• 6 Hydraulic system
• 7 Hydraulic components
• 8 Electrical system
• 9 Swing gear
• 10 Swing ring
• 11 Travel gear / Two Speed Gear Box
• 12 Track components / Axles
• 13 Steering System
• 14 Oscillating Axle Stabilizer
• 15 Brake System
• 16 Special Attachments / Additional Hydraulic Installations
• 17 Cab / Air conditioning system
• 18 Undercarriage / Uppercarriage Attachments
• 19 Arrangement of Tanks

This manual has been prepared to provide you with technical information on the design and construction of the various components which made up the LIEBHERR excavator.

It contains brief and precise descriptions, guidelines and drawings of adjustment procedures as well as hydraulic and electrical schematics, and graphically depicted diagrams and sectionals to help you with any repairs, which might become necessary on our hydraulic excavators.

Manual Extract – Installing Gearbox
Check the checking measurement for axial play of the gearbox, see also category «Technical data of the gearbox» further up in this group.

Lift the gearbox with hoisting gear and push it into its bearing in the side frame, ensuring the gearbox is in the correct position.

Insert mounting bolts 98 and tighten cross-wise and progressively.
Equip hydraulic motor 95 with a new O-ring 97, oil O-ring 97 and slide the motor into the centring device in the gearbox. Slightly turn the engine while doing so so that the gearing of the drive shaft engages in the gearing of the sun gear on the gearbox.

Insert mounting bolts 96 and tighten.
Connect connecting hose 114 between hydraulic motor 95 and brake connection 89 on the travel gearbox.

Push sprocket wheel 105 onto the housing of the gearbox with the help of hoisting gear, insert screws 99 and tighten cross-wise.
Attach the protective plate of hydraulic motor 95 to side frame 103.
Roll up, close and tension chain 104, see category «Removal and installation of complete track» in group 12.
Fill the gearbox with the required oil quantity and tighten filler cap 54 again.