TM 9-2320-365-20-2
2-1784
NO
YES
Soapy Water Leak Test
KNOWN INFO
TEST OPTIONS
REASON FOR QUESTION
Is CTIS front quick release
valve fittings free from
leaks and damage?
CTIS may be unable to
reach selected pressure
and two lights will flash if
air leaks from CTIS air
hoses during inflation/
deflation sequences.
9.
Air hoses from wet tank
to manifold valve
assembly OK.
Air compressor and
governor adjustment OK.
Wheel valves venting OK.
Manifold valve assembly
relief valve OK.
Manifold valve assembly
OK.
Quick release valves OK.
Rear axle quick
release valve fittings OK.
POSSIBLE PROBLEMS
Faulty front quick
release valve fittings.
Faulty front tee fittings.
Faulty manifold valve
assembly delivery port
fittings.
Faulty cab floor supply
hose fittings.
Faulty supply hoses from
quick release valve(s) to
wheel valve(s).
Faulty wheel valve filters.
Faulty electrical connections
at CTIS ECU and manifold
valve assembly.
Faulty ECU.
Tighten loose air lines.
Replace damaged air lines
and/or fittings (para 23-2).
m1. TWO STEADY MODE LIGHTS ILLUMINATE ON CTIS ECU (CONT)
