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TM 10-3930-669-20
1. SERVICE BRAKES DO NOT APPLY OR APPLY SLOWLY (CONT).
KNOWN INFO
TEST OPTIONS
Transmission temperature normal.
Hom operates.
Brake fluid level correct.
Visual inspection.
POSSIBLE PROBLEMS
REASON FOR QUESTION
Drive axle overheating.
Brake discs faulty.
Brake linkage adjustment incorrect.
Master cylinder faulty.
Master cylinder pressure switch faulty.
Transmission inching valve faulty.
Wire 27A faulty.
Relay R9 ground wire faulty.
Wire 27 faulty.
Wire 27B faulty.
Relay R9 faulty.
This
question
eliminates
a
possible problem or group of
possible problems determining
where troubleshooting continues.
KNOWN INFO
TEST OPTIONS
Transmission temperature normal.
Hom operates.
Brake fluid level correct.
Drive axle OK.
Brake disc check.
POSSIBLE PROBLEMS
REASON FOR QUESTION
Brake discs faulty.
Brake linkage adjustment incorrect.
Master cylinder faulty.
Master cylinder pressure switch faulty.
Transmission inching valve faulty.
Wire 27A faulty.
Relay R9 ground wire faulty.
Wire 27 faulty.
Wire 27B faulty.
Relay R9 faulty.
If 0.079 in. (2 mm) or less is not
measured, brake discs are faulty.
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2-392
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