(1) Start engine (TM 9-2320-364-10).
(2) Set CTIS controller selector to
(3) Press CTIS START button.
(4) Check CTIS air lines listed below and
axle manifolds and fittings for damage,
crimps or leaks (see schematic
(a) If air lines, fittings or axle manifolds
are damaged or leaking, perform
Step (5) below and tighten fittings, or
replace air lines or axle manifold
(see schematic Fig 2-49 and
(b) If there are no leaks, crimps, or
damage, air lines, fittings and axle
manifolds are OK.
(5) Turn OFF ENGINE switch.
Wear safety goggles when performing leakage test 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.