(1) Start engine (TM 9-2320-364-10).
(2) Set CTIS controller to HIGHWAY.
(3) Press CTIS START button.
(4) Check CTIS air lines at tire to wheel
valve for air leakage.
(a) If air lines are damaged, crimped or
leaking, perform Step (5) below and
tighten loose fittings, replace air
lines or fittings (Para 13-6).
(b) If there are no leaks, crimps or
damage, air lines and fittings are
(5) Turn OFF ENGINE switch.
Wear safety goggles when performing leakage tests on valves. Failure to do so may result in serious
eye injury due to high pressure air.
Exercise extreme caution when working around wheels or under truck while engine is operating.
Movement of truck may cause injury or death to personnel.
Tires must be deflated to 60 psi (414 kPa)
or less to perform this test.