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TM 9-2320-364-20-3
2-2055
(1) Remove valve cap from any wheel
valve stems on Axles No. 1 or No. 2.
(2) Using tire gage, deflate any one tire
on Axles No. 1 or No. 2 to 40 psi
(276 kPa).
(3) Start engine (TM 9-2320-364-10).
(4) Set CTIS controller selector to
HIGHWAY.
(5) Press CTIS START button.
(6) Check CTIS front manifold for
damage, or leaks.
(a) If front manifold is damaged, or
leaking; perform Steps (7) and (8)
below, and repair or replace front
manifold (Para 13-8 or 13-10).
(b) If there are no leaks, or
damage, front manifold is OK.
(c) If front manifold is leaking air out of
exhaust tube, go to Step 18 of this
Fault.
(7) Turn OFF ENGINE switch.
(8) Install valve cap on wheel
valve stem.
VISUAL 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
Soap and water solution can be used to
visually check for leaks.
Tires must be deflated to 60 psi (414 kPa)
or less to perform this test.
VALVE
CAP
VALVE
STEM
AXLE NO. 1
MANIFOLD
AXLE NO. 1
MANIFOLD
AIR
LINE
2097
AIR
LINE
2101
AIR
LINE
2103
AIR
LINE
2099
AIR
RESERVOIR
NO. 1
EXHAUST
TUBE
FRONT
MANIFOLD
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