TM 55-1680-320-23 & P
2-54. LIMIT SWITCH DRIVE ASSEMBLY - ADJUST (cont)
2-54
20.
21.
22.
23.
Reel cable out to 15-20 feet. Move control pen-
dant switch to FAST UP and reel in hoist cable
until cable hook is within one foot of full stow.
Hoist speed shall reduce to 12 feet per minute
maximum. Repeat steps 15 and 16 until adjust-
ment is correct.
Ensure five cam screws (7, 10, 13, 16, 18) are
tight, preventing cams (6, 9, 12, 15, 19) from
rotating on shaft (11).
Install instruction plate using screws and washers.
FOLLOW-ON MAINTENANCE:
Conduct performance
(Task 2-7)
check
END OF TASK
2-115