Labrie EXPERT - Page 319

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Hydraulic System 309

NOTE: The preceding schematics are for reference only. The hydraulic schematic specific to your

truck, based on the body serial number, is found in the truck’s cab.

Main Page

Table of Contents5
Introduction11
About this Manual11
Topics Not Included in this Manual11
About the Illustrations in this Manual11
Schematics11
Warranty Registration Form12
Introducing the E12
Xpert12
Multiplexed System13
Key Features13
Service and Maintenance on the EXPERT14
Parts14
Warning14
EXPERT ™ Basic Maintenance15
Visual Inspection16
Our Office Addresses and Phone Numbers17
In the U.S17
In Canada17
Safety19
Conventions19
Basic Safety Notions19
Responsibilities20
Employer Responsibilities20
Employee Responsibilities21
Do's21
Don'ts21
General Precautions22
Welding24
Fire24
Locking out and Tagging out the Vehicle24
Prior to Start up25
Shutting down the Vehicle27
Body Safety Prop28
Setting the Body Safety Prop28
Putting the Body Safety Prop Back in Place29
Tailgate Safety Prop30
Setting the Tailgate Safety Prop (Standard Units)30
Putting the Tailgate Safety Prop Back in Place (Standard Units)32
Setting the Tailgate Safety Props (Co-Mingle Units)33
Putting the Tailgate Safety Prop Back in Place (Co-Mingle Units)35
Tailgate Safety Prop Adjustment36
General Maintenance37
Cleanliness37
EXPERT ™ Preventive Maintenance Chart38
Hopper40
Cleaning the Hopper40
Packer Maintenance and Replacement49
Preparing Packer for Inspection49
Inspecting Packer50
Preparing Packer for Removal56
Accessing Packer60
Disconnecting Packer83
Removing Packer Panel91
Installing New Packer99
Chute (Co-Mingle Vehicles Only)104
Inspecting Chute104
Inspecting Chute Cylinder107
Adjusting Chute Cylinder110
Adjusting Chute Angle112
Dual Chute (Co-Mingle Units Only)115
Removing Dual Chute115
Fixed Chute (Co-Mingle Units W/ SSO Tipper)121
Removing Fixed Chute122
Hopper Divider Wear Pads and Sliding Shoe123
Replacing Hopper Divider Wear Pads and Sliding Shoe123
Packer Cylinders128
Accessing Packer Cylinders128
Removing Faulty Packer Cylinder131
Installing Replacement Packer Cylinder135
Sliding Shoes137
Testing for Excessive Wear138
Preparing for Sliding Shoe Replacement138
Replacing Sliding Shoes141
Finishing up Replacing Sliding Shoes and Floor Guides144
Floor Guides145
Upper Wear Pads145
Preparing for Upper Wear Pad Replacement146
Replacing and Adjusting Upper Wear Pads173
Lower Wear Pad175
Replacing Lower Wear Pad176
Packer Wiper Blades188
Replacing Wiper Blades188
Follower Panels189
Replacing Roller Assemblies189
Rollers200
Separating Follower Panels from Packer201
Body Hoist Cylinder204
Inspecting Body Hoist Cylinder204
Replacing Body Hoist Cylinder206
Tailgate Seals and Hinges209
Proximity and Limit Switches210
Limit Switch Adjustment211
Proximity Switch Adjustment211
Adjusting Packer Extend Proximity Switch212
Adjusting Packer Retract Proximity Switch215
Adjusting Body Raised Limit Switch217
Adjusting Tailgate Unlocked Proximity Switch218
Adjusting Tailgate Fully Open Proximity Switch (Optional)220
Adjusting Top Door Fully Open Limit Switch (Optional)221
Adjusting Crusher Panel up Limit Switch (Optional)222
Adjusting Arm Stowed Limit Switch224
Adjusting Arm Parked Limit Switch225
Adjusting MID-Height Limit Switch228
Adjusting Chute Limit Switches (Co-Mingle Units)229
Glass Compartment Limit Switch (Optional)232
Tailgate Hooks (Co-Mingle Units)232
Main Control Valve234
Main Control Valve Resealing234
Arm Control Valve237
Arm Control Valve Resealing237
Fuel Filter Replacement242
Painting and Finishing242
Lubrication245
Recommended Lubricants245
Grease245
Hydraulic Oil245
Engine Oil246
Transmission Oil246
Testing Hydraulic Oil247
Hydraulic Oil Sample Preparation247
Taking an Oil Sample248
Lubrication Charts250
Specific Components to be Lubricated254
Crusher Panel (Optional)254
Body Hinges255
Tailgate-Locking Mechanism and Hinges255
Tailgate Hooks (Co-Mingle Units)258
Hopper Door258
Sump Box259
Packer260
Chute (Co-Mingle Vehicles)262
Pump Drive Shaft "U" Joint263
Hydraulic System265
General Maintenance265
Hydraulic Vane Pump System266
Single Vane Pump267
Dual Vane Pump268
Directional Control Valve268
Proportional Valve270
Inspecting the Pump271
Replacing the Hydraulic Pump272
Installing a Yoke Locking Bolt284
Priming New Pump285
Hydraulic Tank286
Inspecting Hydraulic Tank286
Pressurizing Tank System288
Emptying Hydraulic Tank290
Cleaning Strainer290
Replacing Filter Elements292
Replacing Hydraulic Oil293
Hydraulic Cylinders294
Inspecting Hydraulic Cylinders294
Detecting Cylinder Internal Leaks295
Hydraulic Pressures298
Adjusting Vane Pump Relief Valves (if Equipped)298
Adjusting Directional Control Valve Pressure300
Adjusting Body Relief Valve (Electro-Hydraulic Valve)301
Adjusting Utility Section (Optional Electric Valve Only)301
Adjusting Proportional Valve Pressure302
Adjusting Chute Pressure (Co-Mingle Vehicles)305
Adjusting Gripper Pressure306
Adjusting Tipper Valve Pressure307
Adjusting Regeneration Valve Pressure308
Checking Tailgate Hydraulic System310
Hydraulic Cooler Maintenance310
Pressure and Cycle Time Charts - EXPERT312
Chart 1312
Chart 2313
Chart 3314
Hydraulic Schematics315
Schematic #1315
Schematic #2316
Schematic #3317
Schematic #4318
Electrical System321
How the Electrical System Works321
Electrical Schematics321
Control Panel321
Adjusting and Repairing Electrical Components323
Fuses and Circuit Breakers323
Limit and Proximity Switches325
Multiplex System-Related Interventions326
IFM Program Update Process326
J1939 Baud Rate328
Checking Control Module (Node) Supply Voltage329
Pneumatic System331
Air Actuator Maintenance and Replacement332
Control System Pneumatic Pressure Switch333
Air Tanks335
Air Filter Assembly336
Packer Air System337
Air Dryer337
Pneumatic System Schematic338
Tools339
Troubleshooting341
Troubleshooting Guide341
Pump345
Pump Cavitation346
Packer Air System347
Tailgate-Locking Mechanism348
Tailgate Unlocking Spontaneously349
Tailgate Lowering Spontaneously350
PUMP: Trans Not OK351
Troubleshooting Harnesses356
Labrie's Multiplex System359
Main Page360
Multiplexing 353361
Main Menu370
Warning Buzzer381
Plugging a Computer381
Replacing the CAN Bus-Based Multiplex Joystick382
Allison Transmission Parameters385
Programmed Parameters385
Cummins Engine Parameters385
Daily Inspection387
Lifting Arms 381389
Arm Hydraulic System391
Adjusting Valve Pressure392
Arm/Gripper Speed Adjustment392
Arm Functions Adjustment Procedure393
Adjusting Pressure on the Gripper Cylinder Holding Valve396
Gripper Auto-Closing System396
Adjusting Arm In/Out Holding Valve Pressure397
Testing the Auto-Closing System397
Cylinder Cushion Adjustment400
Auto-Packing400
Adjusting the Arm Vane Pump Relief Valve401
Bypassing a Dump Valve for Diagnostic Purposes401
Proportional Coil Signals405
Case of a HELPING -HAND ™ Arm Moving very Slowly or Not Moving at All in One Direction405
Gripper Adjustment Rod409
Gripper Arm Pivot Bushing Installation410
Gripper Height Setting410
Replacing Green Wear Pads414
Replacing White Wear Pads416
Keyless Locking Devices419
Keyless Locking Devices - QUB00495420
Keyless Locking Devices - QUB00498420
Slide Wear Pad Lubrication421
Lubrication Chart and Hydraulic Schematic423

Labrie EXPERT - Page 319

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