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TM 9-2320-364-20-3
2-2190
Air cleaner OK.
Air dryer filters OK.
Coalescing filters OK.
Aftercooler filter OK.
Drain valves OK.
Air dryer and aftercooler purge
valves OK.
Air compressor inlet air line
OK.
Air compressor discharge air
line OK.
KNOWN INFO
POSSIBLE PROBLEMS
1. AIR PRESSURE BUILDUP IS SLOW (CONT).
5.
Are inlet check valves at air
reservoir No. 2 and No. 3 free
of leaks or damage?
Replace inlet check
valves (Para 12-28
or 12-29).
Verify repair, go to
Step 9 of this Fault.
YES
NO
TEST OPTIONS
REASON FOR QUESTION
Air inlet check valve inspection.
Air pressure buildup will be slow
if check valves on air reservoir
No. 2 and/or No. 3 are leaking
or damaged.
WARNING
Leaking inlet check valves.
Damaged air compressor.
Damaged air governor.
Air dryer or aftercooler check
valve faulty.
Read WARNING
on Page 2-2191
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