1. ONE TIRE WILL NOT INFLATE OR DEFLATE.
Are CTIS air lines from wheel
hub to wheel valve free of
damage, crimps or leaks and
are fittings free of leaks?
Tighten loose fittings,
(Para 13-6 and
schematic Fig 2-49).
Verify repair, go to
Step 6 of this Fault.
Air system is OK.
CTIS is OK.
CTIS air lines and fittings
from axle manifold to axle
CTIS air lines and fittings from
wheel hub to wheel valve
CTIS air lines and fitting from
wheel valve to tire assembly
Wheel valve leaking.
Wheel valve faulty.
Wheel/Tire assembly faulty.
REASON FOR QUESTION
If air lines or fittings are faulty,
tire will not inflate or deflate
2-26. CENTRAL TIRE INFLATION SYSTEM (CTIS) TROUBLESHOOTING (CONT).
Tools and Special Tools
Tool Kit, General Mechanics: Automotive
(Item 74, Appendix G)
Goggles, Industrial (Item 30, Appendix G)
Engine OFF, (TM 9-2320-364-10
Parking brake applied, (TM 9-2320-364-10)
Wheels chocked, (TM 9-2320-364-10)
CTIS turned on, (TM 9-2320-364-10)
Solution, Soap (Item 86, Appendix C)
Soap and water solution can be used to visually check for leaks.
on Page 2-1917