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 TM 9-2330-385-14
4-38. RELAY VALVE REPLACEMENT (CONT).
a.
Removal.
Equipment may be damaged by
foreign matter if hoses, tubes,
and connectors are not plugged
and capped when removed.
NOTE
All three relay valves are
removed and installed the
same way. The rear relay
valve has only four airlines
attached and an elbow
rather than a "T" fitting on
top of the valve like the
front and middle valves.
Tag all air lines and fittings
prior to removal.
Cap and plug all air lines
and connectors after
removal.
Refer to Table 4-19 for air
line numbers.
(1)
Remove five air lines (1) from T-fitting (2),
elbow (3) and two adapters (4).
(2)
Remove two screws (5), locknuts (6) and
relay valve (7) from frame (8). Discard
locknuts.
Upper
Lower
Rear
Valve
Left
Right
Left
Right
2548
Front
2638
2639
2547
2545
2019
Middle
2638
2637
2015
2017
2014
Rear
2637*
--
2016
2014
* one line only
4-436
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