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TM 9-2320-364-20-3
2-1964
5. EXCESS INFLATION TIME AXLES NO. 1 AND NO. 2, CTIS GREEN INDICATOR
FLASHES TOO LONG OR CONTINUALLY.
INITIAL SETUP
NOTE
Soap and water solution can be used to visually check for leaks.
1.
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 12 of this Fault.
START
NO
Air system OK.
Low air light not on or flashing.
Air line 2993 and/or fittings
faulty.
CTIS front manifold damaged
or leaking.
Front manifold pressure relief
valve faulty.
CTIS air lines, manifolds and
fittings on Axle 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.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Visual inspection
Audible inspection.
If air line 2993 or fittings are
faulty, tires on Axles No. 1 and
No. 2 will not inflate to correct
pressure.
2-26. CENTRAL TIRE INFLATION SYSTEM (CTIS) TROUBLESHOOTING (CONT).
Tools and Special Tools
Tool Kit, General Mechanic’s: Automotive
(Item 74, Appendix G)
Goggles, Industrial (Item 30, Appendix G)
Personnel Required
Two
Equipment Condition
Engine OFF, (TM 9-2320-364-10)
Parking brake applied, (TM 9-2320-364-10)
Wheels chocked, (TM 9-2320-364-10)
Front access cover opened,
(TM 9-2320-364-10)
CTIS turned on, (TM 9-2320-364-10)
CTIS front manifold cover removed, (Para 13-8)
References
TM 9-2320-364-10
TM 9-4910-571-12&P
WARNING
Materials/Parts
Solution, Soap (Item 86, Appendix C)
YES
Read WARNING
on Page 2-1965
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