TM 1-1520-238-23
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1.97.
MAINTENANCE CRANE INSTALLATION – continued
h. Disassemble stowed crane.
(1) Unwrap tag lines (8) from dogleg (9), boom
arm (10), torque arm (11), long tierod (12),
and short tierod (13).
(2) Remove quick-release pin (14) from boom
sheave (15) and boom arm (10).
(3) Slide sheave (15) to aline with position 1 (16)
on boom arm (10).
(4) Install pin (14) through sheave (15) and boom
arm (10).
(5) Separate dogleg (9), boom arm (10), torque
arm (11), long tierod (12), and short tierod
(13).
1.97.4. Cleaning
a. Wipe removed and attaching parts with a
clean rag.
1.97.5. Inspection
a. Check boom arm for cracks and broken or
missing components.
b. Check tag lines for fraying or loose installa-
tion of snap hooks.
c. Check sheave for binding or loose installa-
tion.
d. Check tierods for cracks and broken or miss-
ing parts.
e. Check dogleg for cracks, frayed foot tether,
and broken or missing parts.
f. Check hoist for binding and cracks or missing
parts.
g. Check wire rope for frayed or kinked wires.
h. Check boom hoist drum for binding and loose
attachment.
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