TM 5-3805-280-24-2
Mechanical Drive Elements
REMOVE AND INSTALL SWING BEARING
1. Remove upperstructure. (See Remove Upperstructure
procedure in this group.)
CAUTION: The approximate weight of swing
bearing is 331 kg (730 lb).
Swing Bearing--Specification
Weight............................................................ 331 kg (730 lb) approximate
2. Connect swing bearing to a hoist using lifting brackets
(C) such as JT01748 Lifting Brackets.
3. Remove cap screws and lock washer (D). Remove
bearing.
4. Replace upper and lower seals, steel balls and ball
supports as necessary. (See Replace Seal procedures
in this group.)
5. Clean mating surfaces of swing bearing,
upperstructure, and undercarriage.
C--Lifting Brackets
D--Cap Screw and Lock Washer
Continued on next page
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