TM 9-4940-568-20
5-61
(4) To pretension cable reel, perform the
following steps:
(a) Wrap all boom light reel cable (2)
onto drum (18) of boom light reel
assembly (17).
(b) Pull boom light reel cable (2) out one
full rotation of drum (18) and secure
drum.
(c) Wrap the boom light reel cable (2)
that was pulled out back onto the
drum (18). This sets the pretension
one turn.
(d) Repeat steps b and c to place a total
of 12 pretension turns on boom light
reel assembly (17).
(e) Pull cable out completely to ensure
enough spring revolutions remain for
operating.
NOTE
Install boom light reel cable and
cable ties as noted during
removal.
(5) Install guide (7) on boom (8) using two
washers (6) and nuts (5).
(6) Wrap boom light reel cable (2) in a
clockwise direction (five times) on the
boom fly mount (4) and secure with two
cable ties (3).
(7) Connect boom light reel cable (2) to
boom light cable (1).
NOTE
Follow-On Maintenance
Check for proper
boom light reel and
boom light operation
(TM 9-4940-568-10)
END OF TASK
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