Labrie EXPERT Maintenance Manual page 8

vi Table of Contents
Detecting Cylinder Internal Leaks .................................................................................................................................. 285
Hydraulic Pressures .................................................................................................................................................................... 288
Adjusting Vane Pump Relief Valves (if equipped) .................................................................................................... 288
Adjusting Directional Control Valve Pressure ........................................................................................................... 290
Adjusting Body Relief Valve (Electro-Hydraulic Valve) ........................................................................................... 291
Adjusting Utility Section (Optional Electric Valve only) ......................................................................................... 291
Adjusting Proportional Valve Pressure ........................................................................................................................ 292
Adjusting Chute Pressure (Co-Mingle Vehicles) ....................................................................................................... 295
Adjusting Gripper Pressure .............................................................................................................................................. 296
Adjusting Tipper Valve Pressure ..................................................................................................................................... 297
Adjusting Regeneration Valve Pressure ...................................................................................................................... 298
Checking Tailgate Hydraulic System .................................................................................................................................... 300
Hydraulic Cooler Maintenance ............................................................................................................................................... 300
Pressure and Cycle Time Charts - E
Chart 1 ...................................................................................................................................................................................... 302
Chart 2 ...................................................................................................................................................................................... 303
Chart 3 ...................................................................................................................................................................................... 304
Hydraulic Schematics ................................................................................................................................................................ 305
Schematic #1 ......................................................................................................................................................................... 305
Schematic #2 ......................................................................................................................................................................... 306
Schematic #3 ......................................................................................................................................................................... 307
Schematic #4 ......................................................................................................................................................................... 308
Electrical System ..................................................................... 311
How the Electrical System Works .......................................................................................................................................... 311
Electrical Schematics .......................................................................................................................................................... 311
Control Panel ......................................................................................................................................................................... 311
Adjusting and Repairing Electrical Components ............................................................................................................ 313
Fuses and Circuit Breakers ................................................................................................................................................ 313
Limit and Proximity Switches .......................................................................................................................................... 315
Multiplex System-Related Interventions ............................................................................................................................ 316
IFM Program Update Process .......................................................................................................................................... 316
J1939 Baud Rate ................................................................................................................................................................... 318
Checking Control Module (Node) Supply Voltage .................................................................................................. 319
Pneumatic System ................................................................... 321
Air Actuator Maintenance and Replacement ................................................................................................................... 322
Control System Pneumatic Pressure Switch ...................................................................................................................... 323
Air Tanks ......................................................................................................................................................................................... 325
Air Filter Assembly ...................................................................................................................................................................... 326
Packer Air System ........................................................................................................................................................................ 327
Air Dryer ......................................................................................................................................................................................... 327
Pneumatic System Schematic ................................................................................................................................................ 329
Troubleshooting ...................................................................... 331
Tools ................................................................................................................................................................................................. 331
Troubleshooting Guide ............................................................................................................................................................. 333
Pump ............................................................................................................................................................................................... 337
Pump Cavitation ................................................................................................................................................................... 338
Packer Air System ........................................................................................................................................................................ 339
Tailgate-Locking Mechanism .................................................................................................................................................. 340
Tailgate Unlocking Spontaneously ............................................................................................................................... 341
Tailgate Lowering Spontaneously ................................................................................................................................. 342
"PUMP: Trans Not OK" ................................................................................................................................................................ 343
™ .......................................................................................................................... 302
XPERT