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TM 9-2320-364-20-3
2-2188
1. AIR PRESSURE BUILDUP IS SLOW (CONT).
4.
Is air line 2001 free of
damage, crimps, or leaks and
are fittings free of leaks?
Tighten fittings, or
replace air line 2001
(Para 12-36 and sche-
matic Fig 2-50).
Verify repair, go to
Step 9 of this Fault.
YES
NO
Air cleaner OK.
Air dryer filters OK.
Coalescing filter OK.
Aftercooler filter OK.
Drain valves OK.
Air dryer and aftercooler purge
valves OK.
Air compressor inlet air line
OK.
Leaking or restricted
compressor discharge air line.
Leaking check valves.
Damaged air compressor.
Damaged air governor.
Air dryer or aftercooler check
valves faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Visual inspection.
Audible inspection.
Air will not flow freely to
aftercooler if air compressor
discharge air line 2001 is
crimped or damaged. Air
pressure buildup will be slow if
air is continually leaking from air
compressor discharge air
line 2001.
WARNING
Read WARNING
on Page 2-2189
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