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 TM 55-1925-273-10-1
OPERATOR'S MANUAL
INLAND AND COASTAL LARGE TUG (LT)
OPERATION UNDER USUAL CONDITIONS
FIRE MAIN, GENERAL SERVICE, AQUEOUS FILM FORMING FOAM (AFFF),
AND WASHDOWN COUNTERMEASURE SYSTEM (WDCM) SHUTDOWN
INITIAL SETUP:
Personnel Required:
One Watercraft Engineer, 88L
PURPOSE
This work package provides the user with instructions for the shutdown of the fire main, general service, AFFF, and WDCM
systems under usual conditions. The following procedures are included in this work package:
1. Shut down the pumps and secure the electrical system
2. AFFF system shutdown
3. Pump drive engine shutdown
4. WDCM system shutdown
SHUT DOWN THE PUMPS AND SECURE THE ELECTRICAL SYSTEM
1.
To secure the fire and general service pumps, complete the following at each motor controller:
a.
Set the LOCAL-REMOTE switch (figure 1, item 1) for each controller to the LOCAL position.
b.
Press the STOP pushbutton (figure 1, item 2).
c.
Verify that the MOTOR RUN indicator (figure 1, item 3) goes out.
d.
Set the ON-OFF switch (figure 1, item 4) for each controller to OFF.
e.
Verify that the POWER AVAILABLE indicator (figure 1, item 5) for each controller goes out.
4
ON
OFF
5
3
POWER
AVAILABLE
MOTORRUN
START
STOP
2
MANUAL
AUTO
1
RESET
Figure 1. Fire Pump Motor Controllers
0109 00-1
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