| Tweet |
Custom Search
|
|
|
||
 TM 55-1905-219-14-2
2-88. DRAINING BILGE WITH FIRE PUMP AND EDUCTOR (Cont).
(b)
When the fire pump is at operating speed, rotate suction valve (13, Figure FO-44) counter-clockwise.
(c)
The fire pump is pumping water through the eductor and out the overboard discharge valve.
(d)
Rotate valve (14, Figure FO-44) counter-clockwise.
(e)
Eductor suction vacuum gauge (15, Figure FO-44) should read approximately 28 Hg. (inches of water).
To prevent backflooding - DO NOT open flow control valve (5, Figure FO-44) until
vacuum gauge (15, Figure FO-44) indicates a vacuum in eductor suction valve.
(f)
Place flow control valve (5, Figure FO-44) lever in the on position.
(g)
Rotate valve (16, Figure FO-44) counter-clockwise.
(h)
Eductor supply gauge (17, Figure FO-44) should read 90 psi (620.5 kPa).
c.
To drain any compartment refer to table 2-20 (Figure FO-45) and figure FO-44.
2-424
|
||
|
||
