SkyTrak 8042 Service Manual User Manual

Page 900

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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

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