TM-9-1200-215-34-P
AUTOMATIC FIRE CONTROL SYSTEM (AFCS)
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL
FEBRUARY 1999
TM-9-1200-215-34-P - Page 33 of 266
TM 9–1200–215–34&P
1–21
1–23.
PURGE LRU CONTINUED
b.
PURGING
NOTE
There are three components
included in the AFCS that require
purging.
Purging procedures are
identical for each.
Locations of the
outlet screw and inlet valve for each
LRU are depicted in Figure 1–2.
1.
Remove outlet screw (12) from AFCS
component (13).
2.
Remove cap (14) from inlet valve (15) on
AFCS component (13) and connect free end of
purging hose (8) to inlet valve.
3.
Rotate regulator valve (9) slowly clockwise
until low pressure gauge (11) indicates 5 psig.
4.
Purge AFCS component for 5 minutes.
5.
Rotate regulator valve (9) to closed position.
6.
Install outlet screw (12).
7.
Remove purging hose (8) from inlet valve (15)
and install cap (14) on inlet valve.
8.
Close nitrogen tank outlet valve (2) by turning
valve handle (3) to closed position.
2
3
9
11
8
12
14
15
13
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