Lull 944E-42 Service Manual User Manual
Page 836
12.2
Model 644E-42/944E-42
Rev. 6/04
Index
Indicator ................................. 9.157
"Locked" Mode Indicator ....... 9.160
Mode Indicator ....................... 9.161
Warning Indicator................... 9.154
Drain and Flush Radiator ................ 7.12
Drive Shafts
Inspection and Service ............... 5.16
Installation................................... 5.17
Maintenance ............................... 5.16
Removal...................................... 5.16
Dual Joystick ................................. 9.227
E
ECM Fuses ............................ 9.23, 9.26
Electrical Component Terminology
General Overview (644E-42 Vehicle
Power Harness) .................. 9.6, 9.7
Vehicle Power & ECM Cab
Harnesses) ................................ 9.8
Harness) .................................... 9.5
General Overview (Optional Closed
Cab Harness)........................... 9.12
(Optional Closed Cab
Harness) .................................. 9.13
Roadlights Harness) ................ 9.14
Worklights Harness)................. 9.15
General Overview (Vehicle Control
Harness) .................................. 9.10
General Overview (Vehicle Ground
Strap Locations)....................... 9.16
General Overview (Vehicle Sensor
Harness) .................................... 9.9
Transmission Harness) ............ 9.11
Electrical System
Charging Circuit ........................ 9.167
Components ............................. 9.176
Dash Panel Warning
Indicator Troubleshooting ...... 9.148
Connections ............................. 9.19
Electrical Troubleshooting .......... 9.27
Engine Start Circuit................... 9.163
Fuses and Relays ....................... 9.21
Service Warnings........................ 9.18
Specifications.............................. 9.18
Switches and Solenoids............ 9.209
Terminology...................................9.5
Transmission Gear Selection
Troubleshooting......................9.140
Warning Devices .......................9.176
Warning Indicator Lights............9.178
Wiring Harnesses ........................9.19
Electrical System Components
Sensor ...........................4.16, 9.186
Back-Up Alarm ..........................9.179
Cab Heater/Air Conditioning
Controls ..................................9.206
Front Dash Panel ......................9.181
Front Windshield
Wiper Motor ............................9.190
Wiper Switch ..........................9.188
Rear Wiper Motor ......................9.202
Skylight Wiper Motor .................9.198
Skylight Wiper/Washer & Rear
Window Washer Switch..........9.196
Windshield/Skylight/Rear Wiper
Washer Reservoir w/Pump.....9.200
Electrical System Troubleshooting
644E-42 Engine Start Circuit.......9.70
644E-42 Engine With Optional Cold
Start Circuit.............................9.104
Electrical Schematic ........9.52, 9.53
944E-42 ECM Vehicle Power & ECM
Cab Harnesses Electrical
Schematic.................................9.54
Circuit .......................................9.82
944E-42 Engine Start Circuit.......9.76
Air Conditioning Circuit..............9.112
Cab Heater & Air Conditioning Blower
Motor ......................................9.110
Charging Circuit...........................9.84
Dual Joystick Auxiliary Hydraulic
Circuit .......................................9.86
Directory ...................................9.47
Flash High Beam Circuit (Option).......
Front Wiper/Washer Circuit .......9.114
Introduction..................................9.27
Light Power Relay (Option) .......9.120
Main Electrical
Schematic........................9.48, 9.50
Schematic Legend....................9.35
Optional 644E-42 Cold Start Electrical
Schematic........................9.56, 9.57
Optional 644E-42 Cold Start Electrical
Schematic Legend....................9.55
Optional Closed Cab Electrical
Schematic ................................ 9.63
Optional Closed Cab Electrical
Schematic Legend ................... 9.62
Schematic ................................ 9.66
Schematic Legend ................... 9.64
(Early Production)
Electrical Schematic................. 9.59
(Early Production) Electrical
Schematic Legend ................... 9.58
(Late Production)
Electrical Schematic................. 9.61
(Late Production) Electrical
Schematic Legend ................... 9.60
Schematic ................................ 9.69
Schematic Legend ................... 9.68
Connectors............................... 9.30
Rear Wiper Circuit..................... 9.118
Roadlight Brake Lights
Circuit (Option) ....................... 9.132
Circuit (Option) ....................... 9.128
Circuit (Option) ....................... 9.124
Circuit (Option) ....................... 9.126
Circuit (Option) ....................... 9.130
Circuit (Option) ....................... 9.136
Circuit (Option) ....................... 9.122
Single Joystick Auxiliary Hydraulic
Circuit (Option) ......................... 9.90
Single Joystick Transfer Carriage
Extend/Retract Circuit (Option) 9.94
Single Joystick - Boom Attachment
Tilt Circuit (Option) ................. 9.100
Single Joystick - Boom Extend/
Retract Circuit (Option) ............ 9.96
Single Joystick - Boom Lift/Lower
Circuit (Option) ......................... 9.98
Skylight Wiper/Washer, Rear Washer
Circuit ..................................... 9.116
Troubleshooting with a Digital
Multimeter (DMM) .................... 9.29
Worklight (Without Roadlights) Circuit