DIESEL ENGINE-DRIVEN FIREFIGHTING PUMP, REPLACE

TM 55-1925-292-14&P

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DIRECT SUPPORT MAINTENANCE

FIREFIGHTING, FIRE ALARM, AND FIRE SUPPRESSION SYSTEMS FOR

INLAND AND COASTAL LARGE TUG (LT)

DIESEL ENGINE-DRIVEN FIREFIGHTING PUMP, REPLACE

INITIAL SETUP:

Personnel Required:

Tools and Special Tools:

Two Watercraft Engineers, 88L

Tool Kit, General Mechanic's (Item 1, Table 2,

WP 0046 00)

References:

Chain Hoist (Item 12, Table 2, WP 0046 00)

Sling, Endless, 1" x 6' (Item 13, Table 2,

FM 55-502

WP 0046 00)

TB 43-0218

Suitable Drain Pan

Materials/Parts:

Tag, Danger (Item 8, Table 1, WP 0050 00)

WP 0050 00

Tape, Antiseizing (Item 9, Table 1, WP 0050 00)

Pump, Centrifugal (Item 1, Figure 6,

WP 0048 00)

Equipment Conditions:

Gasket (Qty. 2) (Item 17, Figure 6,

CLOSE valves CA-6, STG AIR TO PMP DR ENG,

FM-1, SEA SUCT, F.F. PMP., and FM-13, F.F. TO

WP 0048 00)

F.M. CRSVR. Lock out and tag out (FM 55-502).

WARNING

Never reuse locking hardware. Reuse of locking hardware such as lockwashers,

locking nuts, cotter pins, and lockwire can result in undetected loosening of fas-

tening hardware causing catastrophic component failure resulting in death, in-

jury, or damage to equipment. In accordance with TB 43-0218, ensure that all

locking hardware is discarded upon removal and replaced with new.

DIESEL ENGINE-DRIVEN FIREFIGHTING PUMP REPLACEMENT

REMOVAL

1. Place a suitable drain pan under the firefighting pump (figure 1, item 1).

WARNING

The seacock for the affected system must be CLOSED before beginning replace-

ment of any raw water system piping, hoses or valves and/or valves. Failure to

observe this warning can result in flooding of the space, resulting in injury or

death to personnel and damage to the vessel.

2. Remove the four bolts (figure 1, item 2), four nuts (figure 1, item 3), four flat washers (figure 1, item 4), and

four lockwashers (figure 1, item 5) that secure the shaft guard (figure 1, item 6). Remove the shaft guard,

and discard the lockwashers.

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