TM 55-1520-240-23-1
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ASSEMBLE HOISTING UNIT MAST
(Continued)
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5.
Position tension bracket (17) in mast (2). Install
clevis pin (18) in mast (2) through bracket (17).
Install washers (19) and cotter pin (20).
6.
Install clevis pin (21), washers (22), and cotter
pin (23) in mast (2).
7.
Install tension spring (24) on bracket (17) and
clevis pin (21).
8.
Position hook winch (25) in mast (2). Make sure
tension bracket (17) is against drum (26) of winch
(25). Install 20 bolts (27) and washers (28).
9.
Position winch hub (29) on mast (2). Install six
bolts (30) and washers (31).
10.
Position tension bracket (32) on mast (2). Install
clevis pin (33) in mast (2) through bracket (32).
Install washers (34) and cotter pin (35) on clevis
pin (33).
11.
Install clevis pin (36) in mast (2). Install washers
(37) and cotter pin (38) on clevis pin (36).
12.
Install tension spring (39) on bracket (32) and
clevis pin (36).
13.
Position trolley winch (40) in mast (2). Make sure
tension bracket (32) is against drum (41) of winch
(40). Install 20 bolts (42) and washers (43).
14.
Position trolley winch hub (44) on mast (2). Install
six bolts (45) and washers (46).
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