TM 9-2320-365-20-2
2-1778
NO
YES
6.
Manifold Valve Assembly
Test
Is manifold valve
assembly operating?
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.
Wheel valves venting OK.
Manifold valve assembly
relief valve OK.
If manifold valve
assembly is not operating,
CTIS cannot inflate or
deflate, and will cause two
steady mode lights to
illuminate.
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.
Repair or replace manifold
valve assembly (para 12-7).
m1. TWO STEADY MODE LIGHTS ILLUMINATE ON CTIS ECU (CONT)
