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TM 9-2320-364-20-3
2-2052
10. FRONT MANIFOLD CLICKS CONTINUALLY/LOW AIR LIGHT FLASHING (CONT).
4.
Is air line 2993 free of
damage, crimps or leaks and
are fittings free of leaks?
Tighten loose fittings,
replace air line 2993
(Para 12-36 and
schematic Fig 2-49).
Verify repair, go to
Step 28 of this Fault.
YES
NO
System air pressure greater
than 110 psi (758 kPa).
Rear manifold not clicking
continually.
CTIS harness connections
OK.
CTIS controller OK.
CTIS wire harness OK.
Air lines 2993 or fittings faulty.
CTIS front manifold damaged
or leaking.
Inflate valve faulty.
Front manifold pressure relief
valve faulty.
CTIS air lines, manifolds and
fittings on Axles No. 1 and
No. 2 faulty.
CTIS front manifold faulty.
CTIS air lines from wheel hub
to wheel valve faulty.
CTIS air lines from tire to
wheel valve faulty.
Wheel valve faulty.
CTIS hub seals faulty.
Front manifold deflate valve
faulty.
Front manifold quick release
valve faulty.
Pressure transducer faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Visual inspection.
If air line 2993 or fittings are
faulty, CTIS will turn off and
LOW AIR light will flash.
WARNING
Read WARNING
on Page 2-2053
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