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 TM 5-5420-279-23
(2)
Gain access to the pivot pin (11) by moving the launch beam (1).
(3)
Remove nyloc nut (5) and discard.
(4)
Remove the pivot pin (11) and arm (12).
(5)
If required, remove the screws (7) and washers (8) and remove the counter balance (9).
(6)
Remove the bearing (10).
(7)
Remove the handle (4).
(8)
Check all threaded components for damage.
(9)
Check the bearing (10) for wear and damage.
(10)
Check the locking pin (3) for wear and damage.
(11)
Check the arm (12) for wear or damage.
b.
Install
(1)
Apply thread-locking compound to the counter balance screws (7).
(2)
Fit the counter balance (9) to the arm (12) using two washers (8) and two screws (7).
(3)
Fit a bearing (10) to the arm (12).
(4)
Apply thread-locking compound to the handle (4).
(5)
Fit the handle (4) to the arm (12).
(6)
Position the arm (12) on the launch frame (6).
(7)
Insert the pivot pin (11); ensure that the flat head of the pivot pin (11) is horizontal.
(8)
Secure the pivot pin (11) using the nyloc nut (5).
(9)
Check that the arm (12) is free to rotate about the pivot pin (11).
(10)
Align the launch beam (1) and insert the locking pin (3).
(11)
Secure the locking pin (3) in place with the R-clip (2).
6-45
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