vi Table of Contents
Electrical System ..................................................................... 159
How the Electrical System Works .......................................................................................................................................... 159
Electrical Schematics .......................................................................................................................................................... 159
Control Panel ......................................................................................................................................................................... 159
Adjusting and Repairing Electrical Components ............................................................................................................ 161
Fuses and Circuit Breakers ................................................................................................................................................ 161
Pneumatic System ................................................................... 163
Introducing the Packer Air System ....................................................................................................................................... 167
Air Dryer ......................................................................................................................................................................................... 168
Pneumatic System Schematic ................................................................................................................................................ 169
Troubleshooting ...................................................................... 171
Tools ................................................................................................................................................................................................ 171
Troubleshooting Guide ............................................................................................................................................................. 174
Pump ............................................................................................................................................................................................... 178
Pump Cavitation ................................................................................................................................................................... 178
Packer Air System ................................................................................................................................................................. 179
Tailgate-Locking Mechanism .................................................................................................................................................. 181
Tailgate Unlocking Spontaneously ............................................................................................................................... 183
Tailgate Lowering Spontaneously ................................................................................................................................. 183
Pneumatic System Schematic ................................................................................................................................................ 184
Main Hydraulic Schematic (1) ................................................................................................................................................. 185
Main Hydraulic Schematic (2) ................................................................................................................................................. 186
Multiplexing ............................................................................ 187
Labrie’s Multiplex System ........................................................................................................................................................ 187
Main Page ............................................................................................................................................................................... 188
Main Menu .............................................................................................................................................................................. 195
Warning Buzzer ..................................................................................................................................................................... 204
Plugging a Computer ......................................................................................................................................................... 204
Replacing the CAN Bus-Based Multiplex Joystick .................................................................................................... 205
Allison Transmission Parameters .......................................................................................................................................... 205
Programmed Parameters .................................................................................................................................................. 206
Cummins Engine Parameters ................................................................................................................................................. 208
Lifting Arms ............................................................................. 209
Daily Inspection ........................................................................................................................................................................... 209
Gripper Auto-Closing System ................................................................................................................................................. 212
Inspecting the Auto-Closing System ............................................................................................................................ 213
Adjusting the Auto-Closing System .............................................................................................................................. 214
Auto-Packing ................................................................................................................................................................................ 215
Right Hand™ Arm Chain Tension and Gripper Position ................................................................................................ 216
Bleeding Air Out of the Lifting Arm Hydraulic Circuit ................................................................................................... 218
Lifting Arm Holding Valves ...................................................................................................................................................... 220
Adjusting Gripper Holding Valve Pressure ................................................................................................................. 220
Adjusting In/Out Holding Valve Pressure ................................................................................................................... 222
Adjusting Up/Down Holding Valve Pressure ............................................................................................................. 224
Adjusting the Arm Vane Pump Relief Valve ...................................................................................................................... 225
Adjusting Arm Speed ................................................................................................................................................................ 226
Lubrication Charts and Hydraulic Schematics .................................................................................................................. 228
Right Hand™ Lubrication Charts ..................................................................................................................................... 228
Hydraulic Schematic (Standard Arm) ........................................................................................................................... 230