TM 9-2320-365-20-2
2-1792
NO
YES
Wheel Valve Air Line Test
KNOWN INFO
TEST OPTIONS
REASON FOR QUESTION
Are air supply hoses from
quick release valves to
wheel valves free from
leaks and damage?
Leaking or blocked air
supply hoses to wheel
valves will prevent CTIS
from coming to selected
pressure during inflation
or deflation and cause two
steady mode lights to
illuminate.
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.
Front quick release valve
fittings OK.
Front tee fittings OK.
Manifold valve assembly
delivery port fittings OK.
Cab floor supply line
fittings OK.
13.
POSSIBLE PROBLEMS
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 hoses.
Replace damaged air hoses
and/or fittings (para 23-2).
m1. TWO STEADY MODE LIGHTS ILLUMINATE ON CTIS ECU (CONT)
