TM 1-1520-238-23
1-302
1.97.
MAINTENANCE CRANE INSTALLATION – continued
WARNING
The vertical mast weighs 150 pounds.
The mast must be securely supported
with the mast foot cone kept in the
jackpad during installation. Keep area
clear of unnecessary personnel. If in-
jury occurs, seek medical aid.
c. Mount vertical mast (21) on helicopter.
(1) Position mast (21) alongside forward avionics
bay (22), with dogleg (9) outboard and foot
cone (23) alined with jackpad (24) on main
landing gear axle (25).
(2) Unscrew torque handle (26) from foot of dog-
leg (9).
(3) Raise mast (21) to vertical. Insert foot cone
(23) into jackpad (24).
(4) Remove quick-release pin (27) from tie down
block (28) on main leg (29).
(5) Place short tiedown rod-end (30) into bottom
clevis (31) of block (28).
(6) Put pin (27) part way through block (28) and
through rod-end (30), to secure short tiedown
rod (13) to mast (21).
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M04-1655-5
21
22
9
23
25
24
26
M04-1655-6
21
26
9
23
24
9
M04-1655-8
28
31
30
27
29
13
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