Service Manual

11.3
Model 8042, 10042, 10054 Legacy Rev. 10/03
Index
General Anti-Corrosion............. 2.30
Hydraulic System ..................... 2.29
Lubrication Points
(Grease Fittings).................... 2.29
Paint ......................................... 2.32
Thread Locking Compound ...... 2.32
Transmission............................ 2.28
Wheel Ends .............................. 2.28
Fuel System
Diesel Fuel ................. 7A.18, 7B.22
Fuel Filter ................... 7A.24, 7B.28
Fuel Injectors.............. 7A.24, 7B.28
Fuel Level Sender and
Gauge...................... 7A.24, 7B.28
Fuel Lift Pump Inspection
Testing..................... 7A.24, 7B.28
Fuel/Hydraulic Oil Tank7A.20, 7B.24
Venting Air from the Fuel
System .................... 7A.24, 7B.28
Fuses and Relays
Circuit Protection - Fuses ......... 9.15
Fuse and Relay
Replacement ......................... 9.16
Replacement ............................ 9.20
G
General Information and Specifications
After Service Startup
and Checks ........................... 2.34
Bearings ................................... 2.33
Cleaning ................................... 2.32
Component Terminology ............ 2.3
Fluids, Lubricants and
Capacities.............................. 2.28
Hoses and Tubes ..................... 2.33
Introduction................................. 2.4
Metric Conversion Factors ......... 2.9
Pressure Testing and
Adjustment ............................ 2.34
Replacement ............................ 2.33
Specifications ........................... 2.12
Torques ...................................... 2.5
H
Hazard/Emergency Information
Decals .......................................... 1.8
Hose Carrier Assembly
Four Section
Removal .............................. 3.151
Replacement ....................... 3.158
Hoses and Tubes
Inspection ................................. 2.33
Installation ................................ 2.33
Hoses, Tube Lines, Fittings, Etc.
Replacement .............................. 8.6
Replacement Considerations ..... 8.6
Hydraulic Circuits and Troubleshooting
Attachment Tilt (Down) and
Slave Cylinder Circuit ............8.32
Attachment Tilt (Up) and
Slave Cylinder Circuit ............8.34
Attachment Tilt and Slave
Circuit Description..................8.62
Auxiliary Hydraulics Circuit
(Female) ................................8.40
Auxiliary Hydraulics Circuit
(Male).....................................8.38
Auxiliary Hydraulics Circuit
Description.............................8.62
Boom Extend Circuit.................8.20
Boom Extend/Retract Circuit
Description.............................8.60
Boom Lift Circuit .......................8.24
Boom Lift/Lower Circuit
Description.............................8.60
Boom Lower Circuit ..................8.26
Boom Retract Circuit.................8.22
Brake Circuit .............................8.18
Brake Circuit Description ..........8.58
Crab Steering Circuit (Left).......8.54
Crab Steering Circuit (Right).....8.56
Four-Wheel Steering
Circuit (Left Turn)...................8.50
Four-Wheel Steering
Circuit (Right Turn) ................8.52
Frame Sway (Left) and
Stabilizer Circuit.....................8.28
Frame Sway (Right) and
Stabilizer Circuit.....................8.30
Frame Sway and Stabilizer
Circuit Description..................8.61
Front-Wheel Steering
Circuit (Left Turn)..................8.46
Front-Wheel Steering Circuit
(Right Turn)............................8.48
Outrigger Circuit (Down)
(10042/10054) .......................8.44
Outrigger Circuit (Up)
(10042/10054) .......................8.42
Outrigger Circuit Description
(10042/10054) .......................8.63
Pump and Cooling Circuit.........8.36
Pump and Cooling
Circuit Description..................8.62
Steering Circuit Descriptions ....8.64
Hydraulic Cylinders
Attachment Tilt Cylinder..........8.111
Extend/Retract Cylinder..........8.123
Frame Sway Cylinder ............. 8.136
General Cylinder Assembly
Instructions ..........................8.110
General Cylinder Cleaning
Instructions ..........................8.110
General Cylinder Disassembly
Instructions...........................8.110
Lift/Lower Cylinders ................8.128
Outrigger Cylinders .................8.150
Side Tilt Carriage Cylinder
(Optional) .............................8.168
Slave Cylinders .......................8.119
Stabilizer Cylinder ...................8.141
Steering Cylinders...................8.175
Swing Carriage (Optional).......8.160
Hydraulic Pressure Diagnosis
Pressure Checks and
Adjustments .............................8.8
Hydraulic System
Cylinders .................................8.110
Fluid ............................................8.5
Four-Wheel Steer Indexing
Procedure...............................8.67
Hoses, Tube Lines,
Fittings, Etc. .............................8.6
Hydraulic Circuits and
Troubleshooting .....................8.17
Hydraulic Component
Terminology .............................8.3
Pressure Diagnosis.....................8.7
Pump Failure Analysis ..............8.70
Pump Replacement ..................8.70
Reservoir...................................8.68
Reservoir Replacement ............8.69
Safety Information.......................8.4
Specifications..............................8.5
System Pump............................8.70
System Testing .........................8.10
Valves and Manifolds................8.76
Hydraulic System Testing
10042 ........................................8.12
10054 ........................................8.14
8042 ..........................................8.10
I
Introduction......................................1.2
Disclaimer ...................................2.4
Replacement Parts and
Warranty Information................2.4
Service Methods .........................2.4
The Owners/Operators
Manual .....................................2.4
M
Metric Conversion Factors
American to Metric
Conversions .............................2.9
Metric to American
Conversion .............................2.10