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Page Title:
BRAKE ACCUMULATOR DOES NOT CHARGE, CHARGES FREQUENTLY |
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 TM 10-3930-673-34
2
10. BRAKE ACCUMULATOR DOES NOT CHARGE, CHARGES FREQUENTLY.
INITIAL SETUP
Equipment Condition
Tools and Special Tools
Engine shut down (TM 10-3930-673-10)
Tool Kit, General Mechanic's: Automotive
Wheels chocked (TM 10-3930-673-10)
(Item 23, Appendix D)
Shop Equipment, Automotive Maintenance and
Personnel Required
Repair; Field Maintenance, Basic, Less Power
Two
(Item 18, Appendix D)
Wrench, Torque, 0 - 175 lb-ft (0 - 237 Nm)
References
(Item 28, Appendix D)
TM 10-3930-673-20
Wrench, Torque, 0 - 800 lb-ft (0 - 1085 Nm)
(Item 29, Appendix D)
MIcrometer (Item 13, Appendix D)
Pressure Gage (0-5000 lbs)
START
1
WARNING
KNOWN INFO
TEST OPTIONS
Read WARNING on
Hydraulic accumulator precharge
Pressure test.
following page.
OK.
REASON FOR QUESTION
POSSIBLE PROBLEMS
Is hydraulic pressure between
This question eliminates possible
1600 and 1700 psi (11032 and
Brake control valve faulty.
problems and determines where
11722 kPa) at diagnostic
troubleshooting continues.
coupler on brake control
valve?
Go to Step 2 of this
NO
Fault.
YES
Inspect pilot valve
for leakage.
2-54
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