AFFF PUMP, REPLACE

TM 55-1925-292-14&P

0029 00

DIRECT SUPPORT MAINTENANCE

FIREFIGHTING, FIRE ALARM, AND FIRE SUPPRESSION SYSTEMS FOR

INLAND AND COASTAL LARGE TUG (LT)

AFFF PUMP, REPLACE

INITIAL SETUP:

References:

Tools and Special Tools:

FM 55-502

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

TB 43-0218

WP 0046 00)

WP 0005 00

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

Sling, Endless (Item 13, Table 2, WP 0046 00)

WP 0046 00

WP 0048 00

WP 0050 00

Materials/Parts:

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

Gasket, Flange (Qty. 2) (Item 38, Figure 3,

Equipment Conditions:

Set to OFF the AFFF PUMP circuit breaker on the

WP 0048 00)

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

Pump Unit, Rotary (Item 5, Figure 3,

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

WP 0048 00)

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

Personnel Required:

CLOSE valves FM-13, F.F. TO F.M. CRSVR and

FM-84, AFFF TK SUCT. Lock out and tag out

Two Watercraft Engineers, 88L

(FM 55-502).

Two Crewmembers, Any MOS

WARNING

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

locking nuts, cotter pins, and lock wire can result in undetected loosening of

fastening hardware causing catastrophic component failure resulting in death,

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

locking hardware is discarded upon removal and replaced with new.

AFFF PUMP REPLACEMENT

REMOVAL

1. Remove the eight bolts (figure 1, item 1) and eight nuts (figure 1, item 2) from the discharge piping flange

(figure 1, item 3).

2. Remove the eight bolts (figure 1, item 4) and eight nuts (figure 1, item 5) from the inlet piping flange (figure 1,

item 6).

3. Remove the four bolts (figure 1, item 7) and four nuts (figure 1, item 8) from the strainer flange (figure 1, item 9).

4. Remove the inlet piping (figure 1, item 10) from the AFFF pump (figure 1, item 11).

5. Remove and discard the three gaskets (figure 1, item 12).

6. Remove the two bolts (figure 2, item 1), two lockwashers (figure 2, item 2), and two flat washers (figure 2,

item 3) from the coupling cover (figure 2, item 4). Discard the lockwashers.

7. Remove the coupling cover (figure 2, item 4).

0029 00-1