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TM 9-2320-364-20-3
2-2067
(1) Start engine (TM 9-2320–364-10).
(2) Set CTIS controller to HIGHWAY.
(3) Press CTIS START button.
(4) Check CTIS wheel valves for air
leakage.
(a) If wheel valve is damaged or
leaking air, perform Step (5) below
and repair or replace wheel valve
(Para 13-11).
(b) If there are no air leaks or damage,
wheel valve is OK.
(5) Turn OFF ENGINE switch.
(6) Install wheel cover with four nuts.
VISUAL/AUDIBLE INSPECTION
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.
NOTE
Tires must be deflated to 60 psi (414 kPa)
or less to perform this test.
Some air leakage (bubbles forming) may occur
at breather during inflation/deflation cycles.
A rapid exhaust of air indicates a problem.
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