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 TM 55-1925-273-10-1
0071 00
FOAM SYSTEM ACTIVATION
1.
Perform the Pressurize the Fire Main with the Diesel Engine-Driven Firefighting Pump procedure in this work package.
2.
OPEN FM-84, AFFF TK SUCT (figure 11, item 16), AFFF tank suction, to align the AFFF supply system piping with
the pump drive engine.
3.
To start the AFFF pump:
a.
At the main switchboard in the EOS, set the AFFF PUMP circuit breaker (figure 2, item 2) to ON.
b.
At the AFFF pump motor controller complete the following actions:
(1)
Set the ON-OFF switch (figure 15, item 1) to the ON Position.
(2)
Verify the POWER AVAILABLE indicator (figure 15, item 2) is energized.
(3)
Press the START pushbutton (figure 15, item 3).
(4)
Verify that the MOTOR RUN indicator (figure 15, item 4) is energized.
(5)
Verify that the AFFF system pressure on the duplex gauge is approximately 5 PSI (0.3 bar) higher than fire
main pressure.
1
ON
OFF
2
POWER
3
AVAILABLE
MOTORRUN
4
START
STOP
5
RESET
Figure 15. AFFF Pump Motor Controller
0071 00-16
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