TM 9-2320-365-34-1
NO
YES
WARNING
Read WARNING
on following page.
Is pressure at S1
on counterbalance
valve OK?
REASON FOR QUESTION
Counterbalance Valve
Pressure Test
TEST OPTIONS
Low pressure through
counterbalance valve will
cause fail safe brake not to
release.
2.
Replace hydraulic
rotary pump (para 16-5).
Hydraulic oil level OK.
Hydraulic hoses, tubes,
and fittings OK.
11K Self-recovery winch
electric circuit OK.
Hydraulic oil tank, filters,
and strainers OK.
11K Self-recovery winch
control valve assembly
OK.
Hydraulic rotary pump OK.
POSSIBLE PROBLEMS
KNOWN INFO
Faulty counterbalance
valve.
Faulty cartridge
valve.
Faulty 11K self-recovery
winch hydraulic motor.
Faulty 11K self-recovery
winch.
g1. 11K SELF-RECOVERY WINCH DOES NOT WORK (CONT)
2-978
