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 TM 9-2320-211-34-2-3
FRAME
2
Walk inner boom (1) out of outer boom (2) until 18-FOOT MARK
Soldiers
1.
A and B
shows.
Soldier C 2.
A s soldiers A and B walk inner boom (1) out of outer boom (2),
r a i s e and lower inner boom to keep it from binding.
W h e n 18-FOOT MARK shows, put safety jack under sheave end of
3.
inner boom (1).
L o w e r inner boom (1) onto safety jack.
4.
Move chain sling (3) to 12-FOOT MARK and 18-FOOT MARK on
5.
i n n e r boom (1) as shown, and put in spreader bar (4).
W a l k inner boom (1) out of outer boom (2).
Soldiers
6.
A and B
A s soldiers A and B walk inner boom (1) out of outer boom (2), raise
Soldier C 7.
a n d lower inner boom to keep it from binding.
When inner boom (1) is out of outer boom (2) lower it onto wooden
8.
blocks.
9.
T a k e chain hoist off chain sling (3), and take chain sling and
spreader bar (4) off inner boom (1).
END OF TASK
17-571
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