TM 9-2320-365-20-2
2-1860
NO
YES
4.
Front and rear pressure
gages read 120 psi.
CTIS system operates OK.
Kneeling valve(s) OK.
Tire(s) OK.
Are CTIS wheel valves
free from leaks and
damage at affected
wheel(s)?
If CTIS wheel valves are
leaking, CTIS ECU may
detect loss of pressure
on system and repeat
inflation sequence.
NO
YES
5.
Are air lines between affected
wheel(s) and quick release
valve(s) free from folds or
constrictions?
Front and rear pressure
gages read 120 psi.
CTIS system operates OK.
Kneeling valve(s) OK.
Tire(s) OK.
Wheel valve(s) OK.
If air line(s) between wheel(s)
and quick release valves are
constricted, wheel valve(s)
may not close immediately
and tires will lose air, causing
CTIS to recycle.
Soapy Water Leak Test
Visual inspection
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Faulty wheel valve(s).
Faulty air hose(s) from
quick release valve to
affected wheel(s).
Faulty quick release
valve(s).
Faulty air hose(s) from
quick release valve to
affected wheel(s).
Faulty quick release
valve(s).
Replace wheel valve
(para 12-5).
Replace damaged air
lines (para 23-2).
Replace faulty quick release valve(s)
(para 12-8 and/or 12-9).
m4. CTIS REPEATEDLY RESUMES CYCLING 30 SECONDS AFTER INDICATOR LIGHTS STOP FLASHING
(CONT)
