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 TM 10-3930-660-24-2
INNER BOOM MAINTENANCE - CONTINUED
0262 00
REMOVAL - CONTINUED
36.
Using chain, rope or hand winch, attach outer boom (2) to intermediate boom (11).
37.
Pull out inner boom (31) from intermediate boom (11) approximately 12 ft (3.7 m).
NOTE
31
2
Center of gravity for inner boom with
13,14,15
extend cylinder is approximately 92 in.
25,35 11
(2.3 m) from front end of inner boom.
37
38.
Reposition hoist and sling at center of gravity for inner
boom (31). Place spreader bar between slings at
underside of boom (31).
NOTE
Have assistant guide hoses and boom elec-
409-1410
trical cable from intermediate boom as
inner boom is removed.
39.
Slowly remove inner boom (31) from intermediate boom (11) while guiding hoses (13 thru 15) and boom electrical
cable (25) from intermediate boom (11).
40.
Untie rope from boom electrical cable (25).
41.
Place inner boom (31) on supports.
NOTE
Leave other end of rope tied to anchor at rear of outer boom. Rope will be used during installation of inner boom.
DISASSEMBLY
1.
Remove remaining wear pads from inner boom, if
62 61
necessary (WP 0262 00).
2.
Remove boom extend cylinder, if necessary (WP 0269
3.
Remove boom hydraulic hoses from inner boom (WP
0194 00).
4.
Remove boom electrical cable from inner boom (WP
0111 00).
5.
Remove retract chain (12) from inner boom (31).
31
6.
Remove cotter pin (61) and pin (62) securing clevis
12
(63) to inner boom (31). Discard cotter pin.
7.
Remove retaining rings (64) and pin (65) securing cle-
vis (63) to retract chain (12).
65
63
64
409-1411
0262 00-8
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