CTIS LOW AIR LIGHT
(1) Start engine (TM 9-2320-364-10).
(2) Build up air pressure to 120 psi 5 (830
(3) Observe CTIS LOW AIR light.
(a) If CTIS LOW AIR light is flashing,
go to Fault 13 or 14.
(b) If CTIS LOW AIR light is on, go
to Step 2 of this Fault.
The CTIS initially and periodically
checks for system air leaks. The CTIS
will display a flashing LOW AIR light
and shut off if 6 psi cannot be
maintained by the CTIS system. The
manifold will click during this check for
approximately 1-1/2 minutes.
CTIS air lines are pressurized only
when CTIS is in inflate, deflate, or test
Tests 1 thru 5 can be made
consecutively while the CTIS system is
in the inflate cycle.
Normal inflation time from
EMERGENCY to HIGHWAY setting is
approximately 12 minutes at high idle.
Excess inflation times, sometimes
accompanied by a flashing LOW AIR
light is normal if engine is at idle rpm
and/or air operated accessories are