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