TM 9-2320-211-10
(e) Lower boom slightly to remove load from boom elevating mechanism.
(3) Rigging boom jacks.
(a) Fully lower and extend boom (14)
to expose jack pin holes.
(b) Remove boom jacks (17), spreader
bar (16) and boom jack pins (13) from
stowage.
(c) Secure top end of boom jacks(17)
to boom (14) with boom jack pins (13).
NOTE
The boom jack pins must go through the
boom and boom extensions.
(d) Attach spreader bar (16) to
brackets at lower end of boom jacks with
T-shaped retaining pins.
(e) Raise boom (14) to aline holes in
upper and lower boom jack sections and
insert T-shaped retaining pins (15) in holes.
(f) Lower boom slightly to remove load from boom elevating mechanism.
e. Rigging Crane Lines.
(1) Rigging two-part line.
(a) Pass crane hoist cable (19) over
one boom sheave (18) and down through
boom end.
(b) pass crane hoist cable (19) around
block sheave (20) and secure cable end to
boom with cable anchor pin (21).
(c) Secure cable end to block (22)
with cable anchor pin (21).
(2) Rigging three-part line.
(a). Pass crane hoist cable (19) over
one boom sheave (18) and down through
boom end.
(b) Pass crane hoist cable around block sheave (20), up over second boom sheave (18)
and down through boom.
(c) Secure cable end to block (22) with cable anchor pin (21).
TA 155224
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