TM 10-3930-675-10-2
TROUBLESHOOTING PROCEDURES - CONTINUED
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Table 1. Troubleshooting Procedures - Continued.
ERRATIC OR NO STEERING CONTROL
SYMPTOM
Steering system not responding to steering wheel movement.
MALFUNCTION
Ensure machine is in 2-wheel steering mode.
CORRECTIVE ACTION
Place machine in 2-wheel steering mode. Recheck steering.
Hydraulic system oil level is low.
CORRECTIVE ACTION
If hydraulic system reservoir oil level is low, add oil as required (Before
PMCS, WP 0013 00).
ECS display screen indicates steering system fault code(s).
CORRECTIVE ACTION
Shut down engine and restart. If failure persists, notify Organizational Main-
tenance.
Steering system not responding to selection of 2-wheel, 4-wheel, or crab steering modes.
ECS display screen indicates steering system fault code(s).
CORRECTIVE ACTION
Shut down engine and restart. If failure persists, notify Organizational Main-
tenance.
POOR OR ERRATIC BRAKING CONTROL
SYMPTOM
Brakes will not hold RTCH and/or brakes operate erratically.
MALFUNCTION
There are obstructions or debris buildup under brake pedal.
CORRECTIVE ACTION
Remove obstructions or debris.
ECS display screen indicates brake system fault code(s).
CORRECTIVE ACTION
Shut down engine and restart. If failure persists, notify Organizational Main-
tenance.
Parking brake will not hold RTCH.
CORRECTIVE ACTION
Chock vehicle wheels. Notify Organizational Maintenance.
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