TM 55-1520-240-23-1
1-48
DISASSEMBLE HOISTING UNIT MAST
1-48
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanics Tool Kit, NSN 6180-00-323-4692
Materials:
None
Personnel Required:
Medium Helicopter Repairer (2)
Equipment Condition:
Off Helicopter Task
1.
Remove strap (1) securing mast (2) to boom (3).
2.
Remove quick release pin (4) from bracket (5).
Remove tension rod (6) from bracket (5).
3.
Remove cotter pin (7), nut (8), two washers (9),
and bolt (10) from mast (2) and boom (3).
4.
Separate mast (2) and boom (3).
5.
Remove two spacers (11) and four washers (12)
from boom (3).
6.
Turn trolley winch (13) counterclockwise to
unwind trolley cable (14).
7.
Remove quick-release pin (15) and handle (16)
from hook winch (17). Pull cable (18) from hook
winch (17).
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