TM 9-2320-365-20-2
2-1774
NO
YES
4.
Are all wheel valves
properly vented?
WARNING
Read WARNING
on following page.
Wheel Valve Vent Test
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Air hoses from wet tank
to manifold valve
assembly OK.
Air compressor and
governor adjustment OK.
Changes in temperature
can cause wheel valves to
stay closed and prevent
deflation to lower settings
causing two steady mode
lights to illuminate.
Faulty wheel valve venting.
Faulty manifold valve
assembly relief valve.
Faulty manifold valve
assembly.
Faulty quick release
valve(s).
Faulty rear axle quick
release valve fittings.
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.
Replace faulty CTIS wheel
valve(s) (para 12-5).
m1. TWO STEADY MODE LIGHTS ILLUMINATE ON CTIS ECU (CONT)
