ARMY TM 3-6665-329-13&P
AIR FORCE TO 11H2-18-1
Table 3-2. Functional Test Procedures (Cont).
Test
Procedure
No.
Test
d.
Plug PRESSURE TEST tubing (5) with Airflow
9
Pressure Test
(cont)
stop (l).
e.
Connect bellows and pump (4) hose to
PRESSURE PORT.
f.
Open PRESSURE LOCK valve (6) to VERT
position (handle up).
Operate bellows and pump (4) to obtain an
g.
indication of 15 inches of water on
PRESSURE-VACUUM GAGE (7).
h.
Close PRESSURE LOCK valve (6) to HORIZ
position (handle down).
i.
Observe PRESSURE-VACUUM GAGE (7). Reading
should not drop more than 1 inch in 1 min-
ute. If it does, refer to Troubleshooting
paragraph 3-7.2.
Plug flowmeter port (8) with meter
j.
adapter (3).
Change 2
3-28
