ASSEMBLY - CONTINUED - TM-5-2410-237-231539

TM 5-2410-237-23

WINCH ASSEMBLY REPAIR - CONTINUED

0245 19

ASSEMBLY - CONTINUED

am. Use spanner wrench and torque multiplier to tighten nut (21) to 500 lb-ft (678 Nm). Turn drum (30) with one hand

while tightening nut to allow bearings to seat themselves.

an. Measure and record gap between drum support flange (26) and case (5) at three locations.

NOTE

Shims are used to fill gap between drum support flange and case after bearing preload has been set with

drum shaft nut. This prevents any distortion of case when flange capscrews are tightened.

ao.

Obtain new shims (27) with a total thickness equal to average gap measured in step an.

ap.

Remove nut (21), washer (22) and drum support flange (26).

aq.

Install new seal (28) on drum support flange (26).

ar.

Lift drum (30) with hoist to align drum shaft (34) and drum support flange (26).

as.

Install new shims (27) and drum support flange (26) on drum shaft (34).

at.

Install three capscrews (24) and washers (25) to position shaft support flange (26) on case (5). Tighten capscrews

evenly.

au. Remove guide pins and install and tighten remainder of capscrews (24) and washers (25) to 75 lb-ft (102 Nm).

av. Remove lifting equipment.

aw. Install new O-ring (23) on drum shaft (34).

ax. Install washer (22) and nut (21) on shaft.

Use spanner wrench and torque multiplier to tighten nut (21) to 500 lb-ft (678 Nm). Turn drum (30) with one hand while

tightening nut to allow bearings to seat themselves.

34 (HIDDEN)

421-0189

0245 19-41

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