OPERATION UNDER UNUSUAL CONDITIONS

TM 55-1925-292-14&P

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OPERATOR, UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE

FIREFIGHTING, FIRE ALARM, AND FIRE SUPPRESSION SYSTEMS FOR

INLAND AND COASTAL LARGE TUG (LT)

OPERATION UNDER UNUSUAL CONDITIONS

INITIAL SETUP:

Personnel Required:

References:

One Watercraft Engineer, 88L

S6226-NM-MMC-010/15852 REV B

Two Crewmembers, Any MOS

TM 55-1925-273-10

SECURITY MEASURES FOR ELECTRONIC DATA

No electronic data is used or stored in the firefighting, fire alarm, and fire suppression systems aboard the LT.

UNUSUAL ENVIRONMENT/WEATHER

There are no environmental or weather conditions that will prevent the firefighting systems from operating.

PRESSURIZE THE FIRE MAIN WITH THE ENGINE-DRIVEN FIREFIGHTING PUMP

NOTE

This procedure is to be accomplished only upon the loss of fire and general service

pumps 1 and 2.

1. In AMS 2, at the fire and general service pumps, CLOSE the following valves:

a. FM-16, FIRE/G.S. NO.1 DISCH TO FM (figure 1, item 1)

b. FM-14, FIRE/G.S. NO.2 DISCH TO FM (figure 1, item 2)

Figure 1. Fire and General Service Pump Valves

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