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Page Title:
LOSS OF HYDRAULIC PRESSURE (Three Stage Pump) |
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 TM 9-2320-366-20-2
TM
INITIAL SETUP
Equipment Conditions
Tools and Special Tools
Engine shut down (TM 9-2320-366-10-1).
Tool Kit, Genl Mech (Item 46, Appendix C)
START
KNOWN INFO
TEST OPTIONS
1.
Hydraulic oil level OK.
Visual inspection
PTO OK.
Are hydraulic fittings
REASON FOR QUESTION
and tubing free from
POSSIBLE PROBLEMS
A clogged, bent, or
Bent, kinked, or
kinks, bends and
kinked hydraulic
clogged hydraulic
debris?
tube or fitting will
tubing or fittings.
cause loss of
Faulty hydraulic oil
hydraulic pressure.
filter.
NO
Faulty hydraulic oil
pump.
Replace damaged
hydraulic tube(s) or
fitting(s) (para 17-27).
YES
KNOWN INFO
TEST OPTIONS
2.
Hydraulic oil level OK.
Visual inspection
Hydraulic tubing or
REASON FOR QUESTION
fittings OK.
Is filter screen
A clogged filter screen
free of debris?
will cause loss of
POSSIBLE PROBLEMS
Clogged filter screen.
hydraulic pressure.
Faulty hydraulic oil
filter.
NO
Clean filter screen.
YES
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