For Liebherr A904 Litronic Excavator Operators, this reference brings together the listed repair manual material. Start with Index Group 1 – 7 and follow the relevant document section for the task.
What’s Covered Inside
Operators Manual: 192 pages
PIN/Type: 665, 666, 667
Manuals: Operators Manual, Repair Manual
Table of Content – Liebherr A904 Type 665, 666, 667
Index
Index Group 1 – 7
Index Group 8
Index Group 9 – 19
1. General Information
1.02 Data – Introduction of changes
1.10 Safety guidelines
1.20 Tightening torques for screws and pins
1.21 Tightening torques for pins
1.22 Assembly information for piston and piston nut (Factory standard 4121)
1.24 Assembly information for piston rod bearing (Factory standard 4122)
1.50 Service fluids
1.55 Lubrication chart ML05
1.56 Lubrication chart ML07
2. Tools
2.01 Special Tools for Excavator
2.02 Special Tools for Diesel Engine D 924
2.03 Special Tools for Diesel Engine BF 1013
2.05 Special Tools for Hydraulic
2.06 Special Tools for Electrical Connections
2.07 Special Tools for Gears
2.08 Special Tools for Axles
2.12 Piston wrench for hydraulic cylinder
2.13 Pulling device for piston rod bearing of the rams
2.14 Slotted nut wrench for swing gear
2.15 Release mechanism for swing gear
3. Technical Data Maintenance Guidelines
3.12 Technical Data A 904 Litronic / from 6001
3.24 Maintenance Guidelines A 904 LI from 6001
3.32 Maintenance Chart A 904 Litronic / from 6001
4. Engine
4.05 Technical data Diesel engine BF 4 M 1013 E
4.10 Technical data Diesel engine D 924 T – E
4.11 Technical data Diesel engine D 924 TI -EA2
5. Clutch / Splitterbox
5.10 Coupling A 904 Litronic / from 6001
6. Hydraulic System
6.01 Hydraulic System
6.12 Adjustment procecure A 904 Litronic /from 6001
6.16 Hydraulic system with LUDV System A 904 Litronic /from 6001
6.33.01 Hydraulic system A 904 Litronic /from 6001
6.33.11 Hydraulic system A 904 Litronic /from 6740
6.33.21 Hydraulic system A 904 Litronic /from 7385
7. Hydraulic Components
7.01 Hydraulic Components to 7.42
7.01 Hydraulic pumps Removal and installation A 904 Litronic / from 6001
7.02 Pump component LPV Technical Data A 904 Litronic / from 6001
7.04 Pump component LPV Design and function A 904 Litronic / from 6001
7.20 Hydraulic motors / types A 904 Litronic / from 6001
7.21 Hydraulic fixed displacement motor FMF A 904 Litronic / from 6001
7.26 Hydr.variable displ.motor LMV A 904 Litronic /from 6001
7.30 Hydraulic cylinder (Design, function, sealing) A 904 Litronic /from 6001
7.31 Hydraulic cylinder (Times to extend and retract) A 904 Litronic / from 6001
7.35 Hydraulic cylinder (Types) A 904 Litronic /from 6001
7.42 Regulating and servo oil unit A 904 Litronic /from 6001
7.45 Servo Control Valve 4 way A 904 Litronic /from 6001
7.02 Hydraulic Components from 7.45
7.47 Servo Control Valve 2 way (Design and Function) A 904 Litronic /from 6001
7.48 Servo Control Valve 2 way (Design and Function) A 904 Litronic / from 6001
7.49 Servo Control Valve 1 way (Design and Funktion) A 904 Litronic /from 6001
7.51 Control valve A 904 Litronic /from 6001
7.64 Leak oil check directional valve A 904 Litronic / from 6001
7.76 Rotary connection 6 – way A 904 Litronic / from 6001
7.78 Rotary connection 7 – way A 904 Litronic / from 6001
7.80 TC – Valve A 904 Litronic / from 6001
7.83 Load holding valve A 904 Litronic / from 6001
8. Electrical System
8.33.01 Electrical system A 904 Litronic / from 6001
8.33.31 Electrical system A 904 Litronic / from 6263
9. Swing Gear
9.10 Swing Gear A 904 Litronic / from 6001
9.20 Swing Brake A 904 Litronic / from 6001
10. Swing Ring
10.10 Swing Ring
11. Final Drive Gear / Two Speed Gear Box
11.10 Distributor gear 2 HL 100
11.30 Gear control HBGV – Block for 2 HL 100
12. Track Components / Axles
12.12 Steering axle APL – B 765 A 904 Litronic / from 6001
12.24 Steering axle AP – B 765 A 904 Litronic / from 6001
12.26 Fixed axle AP – B 765 A 904 Litronic / from 6001
12.35 Tires A 904 Litronic / from 6001
12.42 Differential A 904 Litronic / from 6001
13. Steering
13.10 Hydrostatic Steering A 904 Litronic /from 6001
13.20 Servostat A 904 Litronic /from 6001
13.32 Steering Cylinder A 904 Litronic /from 6001
13.40 Flow Indicator A 904 Litronic /from 6001
14. Oscillating Axle Stabilizer
14.10 Oscillating axle stabilizer
14.20 Stabilizing cylinder
15. Brake System
15.05 General Data and Operating Pressures
15.10 Hydraulic Brake System
15.20 Compact Brake Block
16. Special Attachments / Additional Hydr.Install.
16.01 Special Attachments / Additional Hydr.Install.
16.02 Load check valve A 904 Litronic / from 6001
16.06 Overload warning device A 904 Litronic / from 6001
16.08 Overload warning device reversible A 904 Litronic / from 6001
16.12 Lift stop A 904 Litronic / from 6001
16.14 Quick change adapter A 904 Litronic / from 6001
16.15 Quick change adapter A 904 Litronic / from 05.2002
16.18 Hydraulic coupling LIKUFIX A 904 Litronic / from 6001
16.20 Flow reduction A 904 Litronic / from 6001
16.22 Hydraulic hammer A 904 Litronic / from 6001
16.30 Installation kit Speeder A 904 Litronic / from 6001
16.32 Installation kit A 904 Litronic / from 6001
16.02 Special Attachments / Additional Hydr.Install.
16.40 Special installation kit AS 1 A 904 Litronic / from 6001
16.45 Special installation kit AHS 11 A 904 Litronic / from 6001
16.48 Special installation kit AHS 12 A 904 Litronic / from 6001
16.60 Hydraulic cab elevation A 904 Litronic / from 6001
16.62 Individual control A 904 Litronic / from 6001
16.64 Dozer blade A 904 Litronic / from 6001
16.68 Filling device A 904 Litronic / from 6001
Use publication 8720039, 8717911 with the A904 model details to select the appropriate documentation. Refer to Index Group 1 – 7 within its stated document and equipment scope.





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