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TM 9-2320-364-20-3
2-1988
6. EXCESS INFLATION TIME AXLES NO. 3 THROUGH NO. 5, CTIS GREEN
INDICATOR FLASHES TOO LONG OR CONTINUALLY.
INITIAL SETUP
1.
Is air line 2994 free of damage,
crimps or leaks and are
fittings free of leaks?
Tighten loose fittings,
replace air line 2994
(Para 12-36 and
schematic Fig 2-49).
Verify repair, go to
Step 12 of this Fault.
START
YES
NO
Air system OK.
Low air light not on or flashing.
Air line 2994 and or fittings
faulty.
CTIS rear manifold damaged or
leaking.
Rear manifold relief valve
faulty.
CTIS air lines, manifolds and
fittings on Axle No. 3 through
No. 5 faulty.
CTIS rear manifold faulty.
CTIS air lines from wheel hub
to wheel valve faulty.
Wheel valve faulty.
CTIS hub seals faulty.
Rear manifold deflate valve
faulty.
Rear manifold quick release
valve faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Visual inspection.
Audible inspection.
If air line 2994 or fittings are
faulty, tires on Axles No. 3
through No. 5 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)
Load Handling System (LHS) extended fully,
(TM 9-2320-364-10)
CTIS turned on, (TM 9-2320-364-10)
CTIS rear manifold cover removed, (Para 13-9)
References
TM 9-2320-364-10
NOTE
Soap and water solution can be used to visually check for leaks.
Materials/Parts
Solution, Soap (Item 86, Appendix C)
WARNING
Read WARNING
on Page 2-1989
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