Caterpillar 992G Wheel Loader Electrohydraulic System Troubleshooting / Testing / Adjusting

$225.95

Print version. Factory service manual for the Cat 992G wheel loader. Used for troubleshooting, testing & adjusting the electrohydraulic system. Includes fault codes.

Table of Contents Includes:

 

Troubleshooting
  • Introduction
  • Symptom Procedures
  • Diagnostic Codes & Procedures
Testing & Adjusting
  • Wire Harness & Connector Testing
  • Position Sensor Testing / Replacing
  • Solenoid Testing / Replacing
  • Hydraulic Pump Testing (fixed & variable)
  • Torque Converter Stall Test
  • Relief Valve (all) Test / Adjust
  • Pilot Valve & Control Valve Test / Adjust
  • Piston Pump Cut-Off Pressure Test / Adjust
  • Implement Cycle Time, Check
  • Boom Lift Speed Check
  • Lift & Tilt Cylinder, Check & Isolate for Drift
  • Ride Control Accumulator
  • Piston Pump Cut-Off Pressure Test / Adjust (hydraulic fan)
Model & serial numbers covered:
  • T559                        7HR  1-310 & up
  • TT121                       AZX1 & up
  • T927                         ADZ1 & up
  • T559                         7HR311 & up

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