REPLACEMENT - TM-55-1905-223-24-130025

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FIGURE 2-2. Motor Adapter and Seal Alignment.

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

FIGURE 2-3. Bilge Ballast Pump Assembly

TM 55-1905-223-24-13

Install seal gland (25, FIGURE 2-3) (flat side toward stuffing box) on the

stuffing box using the gland stud (13) and nuts (14). Secure nuts (14)

evenly until the gland (25) is approximately 118 in. from the stuffing box.

Slide the stuffing box cover (23) onto motor shaft and install cover

machine bolts (15), securing cover to motor adapter.

CAUTION

Be sure the stuffing box is closest to the motor

adapter.

Slide the spacer sleeve (16) over shaft sleeve (11) and into stuffing box,

install impeller machine key (17) into motor shaft keyway, and slide

impeller (18) onto shaft.

Replace impeller nut (19) onto pump end of shaft and tighten hand

tight. Hold outside diameter of impeller (18) and tighten nut (19) to 25

ft-lb torque.

Inspect stuffing box cover (23) preformed packing (21) (seal) for damage

and replace as required.

Install O-ring casing seal (22).

Carefully set motor assembly into the casing, using care not to damage

the O-ring casing seal. Install casing machine bolts (15) and secure

alternately to a tight fit. Ensure motor feet are properly aligned with

foundation. Turn shaft by hand to ensure freedom of movement.

Replace four motor foundation machine bolts (8), flat washers (9), and

hex nuts (10). Secure to a tight fit.

Remove tags and connect electric cables into motor conduit box (1).

Replace cover gasket, cover, and four cover machine screws (2). Sec re

screws to a tight fit.

Check motor rotation. Be sure pump is primed before activating. Remove

tags and restore system to normal operation.

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