Installation. - TM-55-1930-208-240228

TM 55-1930-208-24

(3)

Install discs (35) in casing with smooth side of disc towards casing. Place O-rings (34) in heads.

CAUTION

When placing heads or hubs on the shaft, avoid striking the end of the shaft

against the seal face.

(4) Install head (31) and fasten with two screws (32) and two washers (33). Install head (31) on casing with

screws (30).

(5) Install ring (29), grease fitting (28), and drain plug (27) on hub (26). Install hub using twelve screws (25).

(6) Slide bearing (24) on shaft. Slide lockwasher (22) on shaft with tangs facing outward. Start the locknut

(23) on the threads with the tapered face inward.

(7) Install grease seals (21 and 20) on the bearing cover (18). Install bearing cover and gasket (19) using

eight screws (17).

(8) Install head (14) with two screws (15) and two washers (16). Install head on casing with screws (13).

(9) Install ring (12) and grease fitting (11) on hub (10). Install hub with twelve screws (9).

(10) Slide bearing (8) on the shaft. Slide lockwasher (6) on the shaft with the tangs facing outward. Start the

locknut (7) on the shaft with the tapered face inward.

(a)

With one locknut backed off, tighten the other until the shaft begins to bind or turn hard.

(b)

Back off the nut about 1/32 to 1/16 turn (about the width of a tang on the lockwasher)and secure it by

bending over a tang on the lockwasher into the slot of the locknut. Pump shaft must now turn freely.

(c)

Tighten the other locknut until it is snug against the bearing with the bearing seated firmly in its

recess. Then tighten the nut about 1/16 turn and lock it in place with the tang of the lockwasher.

(11) Install bearing cover (4) and gasket (5) with eight screws (3).

(12) Install one plug (2) and one grease fitting (1)in each bearing cover.

f. Installation.

(1) Refer to figure 3-111 and attach a sling and lifting device capable of lifting 250 lbs (113.50 Kg) to pump.

Lift pump and install it on the mounting base.

3-191