Lull 944E-42 Service Manual User Manual
Page 838
12.4
Model 644E-42/944E-42
Rev. 6/04
Index
Pressure Release Circuit
(Dual Joystick) ....................... 8.142
Pressure Release Circuit
(Single Joystick)..................... 8.144
Description (Dual Joystick) .... 8.161
Description (Single Joystick).. 8.161
(Dual Joystick) ......................... 8.74
(Single Joystick)....................... 8.76
Description
(Dual Joystick) ....................... 8.148
Description
(Single Joystick)..................... 8.149
(Dual Joystick) ......................... 8.82
(Single Joystick)....................... 8.84
Boom Lift/Lower Circuit Description
(Dual Joystick) ....................... 8.150
Boom Lift/Lower Circuit Description
(Single Joystick)..................... 8.151
(Dual Joystick) ......................... 8.86
(Single Joystick)....................... 8.88
(Dual Joystick) ......................... 8.78
(Single Joystick)....................... 8.80
Brake Circuit Description .......... 8.147
Crab Steering Circuit
(Left Turn) .............................. 8.122
(Right Turn)............................ 8.124
Release Circuit......................... 8.72
Circuit (Left Turn) ................... 8.118
Circuit (Right Turn)................. 8.120
Stabilizer Circuit
(SN 18460 and Before) ............ 8.90
Stabilizer Circuit
(SN 18461 and After) ............... 8.92
Stabilizer Circuit
(SN 18460 and Before) ............ 8.94
Stabilizer Circuit
(SN 18461 and After) ...............8.96
Description .............................8.152
(Left Turn)...............................8.114
(Right Turn) ............................8.116
(Front - Dual Joystick) ..............8.62
(Rear - Dual Joystick) ...............8.64
(Single Joystick) .......................8.66
Joystick Circuit Description .......8.146
Park Brake Circuit .......................8.68
Pump & Cooling Circuit
(Dual Joystick,
SN 18460 & Before) .................8.56
(Dual Joystick,
SN 18461 & After) ....................8.58
(Single Joystick) .......................8.60
Pump and Cooling Circuit Description
(Dual Joystick Only) ...............8.146
Pump and Cooling Circuit Description
(Single Joystick Only) .............8.146
Service Brake Circuit...................8.70
Three-Mode Steering Circuit
Descriptions............................8.158
Description (Dual Joystick) .....8.155
Transfer Carriage Circuit Description
(Single Joystick) .....................8.156
Transfer Carriage Cylinder Extend
(Carriage Back)
(Dual Joystick) ........................8.106
Transfer Carriage Cylinder Extend
(Carriage Back)
(Single Joystick) .....................8.108
Transfer Carriage Cylinder Retract
(Carriage Forward)
(Single Joystick) .....................8.112
Transfer Carriage Cylinder Retract
(Carriage Forward)
(Dual Joystick) ........................8.110
Hydraulic Cylinders
Attachment Tilt Cylinder ............8.213
Extend/Retract Cylinder ............8.221
Frame Sway Cylinder ................8.230
General Cylinder Assembly
Instructions .............................8.212
Instructions .............................8.212
Disassembly Instructions........8.212
Lift/Lower .................................. 8.225
Side Tilt Carriage Cylinder
(Optional) ............................... 8.250
Slave Cylinders ......................... 8.217
Stabilizer Cylinder ..................... 8.235
Steering Cylinders..................... 8.239
Swing Carriage Cylinder
(Optional) ............................... 8.244
Transfer Carriage Cylinder........ 8.240
Switch ......................................... 9.214
Switch ......................................... 9.216
Hydraulic Pressure Diagnosis
Adjustments ............................. 8.11
Hydraulic System
Cylinders ................................... 8.212
Fluid .............................................. 8.7
Hoses, Tube Lines,
Fittings, Etc. ............................... 8.8
Troubleshooting ....................... 8.55
Terminology ............................... 8.5
Pressure Diagnosis..................... 8.10
Pump Failure Analysis .............. 8.166
Pump Replacement .................. 8.166
Reservoir................................... 8.164
Reservoir Replacement ............ 8.165
Safety Information......................... 8.6
Specifications................................ 8.7
System Pump............................ 8.165
System Testing ........................... 8.12
Valves and Manifolds................ 8.176
Hydraulic System Testing (Dual Joystick,
644E Only) ......... 8.12, 8.16, 8.20, 8.24
Hydraulic System Testing (Dual Joystick,
944E Only) .................. 8.36, 8.40, 8.44
(Single Joystick, 644E Only) 8.28, 8.32
(Single Joystick, 944E Only) 8.48, 8.52
I
Ignition Key Switch........................ 9.209
Introduction ....................................... 1.2
Component Terminology............... 7.4
Disclaimer ..................................... 2.4
Disclaimer and Scope ................... 7.3
Replacement Parts and
Warranty Information ................. 2.4
Service Methods ........................... 2.4
The Owners/Operators