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TM 9-2320-364-20-3
2-2053
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.
(1) Remove valve cap from any wheel
valve stem on Axles No. 1 and 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 air line 2993 for
damage, crimps or leaks (see
schematic Fig 2-49).
(a) If air line 2993 is damaged, crimped
or leaking; tighten fittings, perform
Steps (7) and (8) below, and
replace air line (Para 12-36 and
schematic Fig 2-49).
(b) If there are no leaks, crimps or
damage, air line 2993 and fittings
are OK.
(7) Turn OFF ENGINE switch.
(8) Install valve cap on wheel
valve stem.
VISUAL INSPECTION
VALVE
CAP
VALVE
STEM
AXLE NO. 1
MANIFOLD
AXLE NO. 2
MANIFOLD
AIR
LINE
2097
AIR
LINE
2101
AIR
LINE
2103
AIR
LINE
2099
AIR
RESERVOIR
NO. 1
AIR LINE
2098
AIR
LINE
2074
AIR LINE 2096
AIR LINE
2993
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