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 32 of 266
TM 9–1200–215–34&P
1–20
1–23.
PURGE LRU CONTINUED
a.
SETUP CONTINUED
NOTE
If the nitrogen tank has already
been set up with the regulator and
hose assembly attached, skip to
step 7.
1.
Remove protective cover (1) from nitrogen
tank outlet valve (2).
2.
Open briefly, then close nitrogen tank outlet
valve (2) by turning valve handle (3) to rid
outlet valve of foreign matter.
3.
Install regulator (4) and nitrogen tank adapter
(5) on nitrogen tank outlet valve (2).
4.
Install 9/16 inch x 18 tpi threaded adapter (6)
in regulator outlet port (7).
5.
Attach purging hose assembly (8) to 9/16 inch
x 18 tpi threaded adapter (6).
6.
Rotate regulator valve (9) to closed position.
7.
Open nitrogen tank outlet valve (2) by turning
handle (3) slowly until maximum tank pressure
registers on regulator high pressure gauge
(10).
NOTE
If the indicated pressure is less than
100 psig, obtain a replacement tank
and start this procedure over.
8.
Hold purging hose (8) at free end.
9.
Open regulator valve (9) slowly until low
pressure gauge (11) indicates 5 psig.
10. Allow gas to flow from purging hose (8) for
approximately 5 seconds to clear hose of any
foreign matter.
11.
Rotate regulator valve (9) to closed position.
1
2
3
10
9
11
4
7
6
8
5
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