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TM 9-2320-364-20-3
2-2059
(1) Start engine (TM 9-2320-364-10).
(2) Set CTIS controller selector to
HIGHWAY.
(3) Assistant presses CTIS
START button.
(4) Check CTIS front manifold pressure
relief valve for damage and leaks.
(a) If pressure relief valve is damaged
or leaking, turn OFF ENGINE
switch and replace valve (Para
13-10).
(b) If pressure relief valve is not
damaged or leaking, relief valve is
OK.
(5) Turn OFF ENGINE switch.
(6) Install front CTIS manifold cover (Para
13-8).
(7) Close front access cover.
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
during inflation/deflation cycle at relief valve.
A rapid exhaust of air indicates a problem.
Pressure relief valve should remain closed up
to 85 psi (586 kPa).
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