REMOVAL - TM-55-1905-223-24-130028

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Replace Centrifugal Pump. (FIGURE 2-4)

TM-55-1905-223-24-13 Bilge/Ballast Pump Landing Craft Utility (LCU) NSN 1905-01-154-1191 Manual

FIGURE 2-4. Bilge Ballast Pump Assembly

TM 55-1905-223-24-13

To remove pump motor from adapter and rotating assembly, perform the

following tasks.

(1)

Remove impeller nut (10) holding impeller (9) by outside diameter.

(2)

Remove impeller (9) and impeller key from the shaft (7).

(3)

Remove spacer sleeve (6), stuffing box gland nuts (4), stuffing box

cover (13) machine bolts (5), and cover (12) from the adapter and shaft

assembly.

NOTE

The mechanical seal should not be exposed on the

shaft sleeve. (In some cases, the shaft sleeve may

come off the shaft with the stuffing box cover.)

(4)

If the shaft sleeve (1) comes off with the stuffing box cover (13),

gently press or pull the shaft sleeve and mechanical seal-(14) from the

stuffing box toward motor side of the stuffing box cover. This will

expose the mechanical seal.

(5)

Remove the mechanical seal (14) from the shaft sleeve (1).

(6)

Remove the gland (15), shaft sleeve (1), and deflector (2) from the

motor shaft.

NOTE

Do not remove the adapter from the motor unless the

motor is to be replaced or repaired. If the adapter is

removed, it will necessitate realignment of motor

adapter to motor shaft.

2-17