DIESEL ENGINE-DRIVEN FIREFIGHTING PUMP, PIPING; REPAIR

TM 55-1925-292-14&P

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GENERAL SUPPORT MAINTENANCE

FIREFIGHTING, FIRE ALARM, AND FIRE SUPPRESSION SYSTEMS FOR

INLAND AND COASTAL LARGE TUG (LT)

DIESEL ENGINE-DRIVEN FIREFIGHTING PUMP, PIPING; REPAIR

INITIAL SETUP:

Tools and Special Tools:

References:

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

FM 55-502

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

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

Suitable Drain Pan

Equipment Conditions:

Materials/Parts:

CLOSE valve CA-6, STG AIR TO PMP DR ENG.

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

Lock out and tag out (FM 55-502).

Strainer, Sediment (Item 25, Figure 1,

CLOSE valves FM-1, SEA SUCT, F.F. PMP. and

FM-13, F.F. TO F.M. CRSVR. Lock out and

tag out (FM 55-502).

Personnel Required:

Two Watercraft Engineers, 88L

SIMPLEX STRAINER REPLACEMENT

DISSASSEMBLY

1. Place a suitable drain pan under the simplex strainer (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, 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 drain plug (figure 1, item 2) and drain the simplex strainer assembly (figure 1, item 1).

3. Replace the drain plug (figure 1, item 2) after draining the strainer.

4. Support the strainer (figure 1, item 1) using the chain hoist and endless sling.

5. Remove the eight nuts (figure 1, item 3) and eight bolts (figure 1, item 4) from each of the flanges (figure 1,

item 5).

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