Remove - TM-5-5420-279-230394

TM 5-5420-279-23

3/16-inch

686A873

Remove

(1)

Remove the eight roll pins (10).

(2)

Remove the nyloc nuts (1), and washers (2), withdraw the bolt (9) securing the center pivot

clamps (3). Leave one nut and bolt in opposite corners front and back. Discard the nyloc

nuts (1).

(3)

Using a second person to support the lower clamp, remove the two remaining nuts and

bolts and lower the pivot clamp (3). Discard the nyloc nuts (1).

(4)

Remove the bearing strips (4) on the lower center pivot clamp (3).

(5)

To remove the upper bearing strips (5) on the launch frame (6), ensure that the launch

frame is level horizontally.

WARNING

DEATH OR SERIOUS INJURY MAY OCCUR IF HEIGHT OF 3/16 INCH IS

EXCEEDED.

(6)

Using two bottle jacks (7) front and back with both lower pivot clamps (3) removed.

Operate both jacks (7) at the same time, keeping the launch frame (6) level, to give a

clearance of approximately 3/16 inch.

(7)

The old bearing strip (5) is removed by using the new bearing strip, see installation step 1.

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