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TM 10-3930-669-20
2-17. BRAKE SYSTEM TROUBLESHOOTING (CONT).
1. SERVICE BRAKES DO NOT APPLY OR APPLY SLOWLY.
INITIAL SETUP
Tools and Special Tools
Tool Kit, General Mechanic's: Automotive
(Item 1, Appendix B)
STE/ICE-R (Optional) (Item 14, Appendix B)
Pressure Test Kit (Item 2, Appendix B)
References
TM 10-3930-669-10
LO 10-3930-669-12
Equipment Condition
Engine OFF (TM 10-3930-669-10)
MAIN POWER switch OFF (TM 10-3930-669-10)
Parking brake applied (TM 10-3930-669-10)
Wheels chocked (TM 10-3930-669-10)
KNOWN INFO
TEST OPTIONS
Transmission temperature normal.
Hom operates.
Visual inspection.
POSSIBLE PROBLEMS
REASON FOR QUESTION
Brake fluid level incorrect.
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.
If brake fluid level is incorrect,
service brakes will not apply or
will apply slowly.
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2-390
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