John Deere 6155J, 6155JH, 6425, 6425HC, 7425, 7425HC, 7525 and 7525HC Tractors (Mexica, up to MY15) Operation and Test Manual (TM608319)

Table of Contents:
   Introduction
      Foreword
   Safety
      Safety Precautions
      General References
   Diagnostic Trouble Codes
      BCU Diagnostic Trouble Codes
   Observable Symptoms
      Electrical System
      Transmission
      Drive Systems
      Steering And Brakes
      Hydraulic System
   Engine
      Function Test
      Tests and Adjustments
   Fuel, Air Intake and Cooling Systems
      Tests and Adjustments
      Descriptions
   Electrical System
      Sub-System Diagnostics (Cab Tractor)
      Sub-System Diagnostics (Open Operator Station Tractor)
      Component Tests
      Functional schematics
      Wiring Harnesses and Connectors (Cab Tractor)
      Wiring Harnesses and Connectors (Open Operator Station Tractor)
   Electronic Control Units
      Operation and General Information on Diagnostics
      Data BUS System Diagnostics
      Data BUS Systems, Operation
      BCU - Basic Control Unit
   Forward/Reverse Module
      Function Test
      Tests and Adjustments
      Operation
   PowrQuad Transmissions
      Preliminary Tests
      Function Test
      Tests and Adjustments
      Operation
   SyncroPlus Transmission
      Operational Checks
      Tests and Adjustments
      Operation
   Drive Systems
      Function Tests
      Tests and Adjustments
      Operation
      Operation for 6105J and 6105JH Tractors Only
   Steering and Brakes
      Function Test
      Tests and Adjustments
      Operation
   Hydraulic System
      Function Tests
      Tests and Adjustments
      Operation
      Oil Filter, Charge Pump and Hydraulic Pump
      Hitch
      Selective Control Valves (SCV)
      Hydraulic Block
   Operator`s Cab
      Tests and Adjustments
      Operation
   Special Tools
      Special Tools (Dealer-Fabricated)
      Special Tools (Available as Spare Parts)
      Section 255A