TM 1-1520-238-23
Change 4
1-274.1
1.85.
HOISTING MAIN ROTOR HEAD REMOVAL continued
c. Install bearing retainer (10) on head (2).
(1) Install retainer (10) in bottom groove of head
(2).
(2) Close retainer (10). Engage quick coupler
(11).
(3) Tighten nut (12).
d. Break head (2) loose from mast (13).
(1) Turn jack handle (14) of puller/sling (1) clock-
wise until jack plate contacts mast (13).
(2) Continue to turn handle (14) until head (2) is
loose from mast (13).
CAUTION
To prevent crossing cable on spool and
damage to crank, tension must be ap-
plied when letting out or taking in cable.
e. Insert hook (5) into lifting eye (9).
(1) Crank winch (15) to position hook (5) below
lifting eye (9).
(2) Snap hook (5) into lifting eye (9).
(3) Crank winch (15) to remove cable slack.
NOTE
Use two tag lines to control rotor head
position.
f. Tie two 15-foot lines to opposite ends of rotor
head.
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M04-2242-4
2
11
10
12
1
14
13
15
M04-2242-5
7
1
5
9