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Reference
Only
Manitowoc
Published 01-08-13, Control # 049-05
4-59
2250 MAX-ER 2000 OPERATOR’S MANUAL
SET-UP AND INSTALLATION
4
Connect Boom Straps — #79
-
44 Boom
See Figure 4-27 for following procedure.
Boom straps and links are shipped in the stored position on
#79 boom inserts.
1.
Connect straps (1, View C) at top end of each insert, as
follows:
a.
Remove storage pins (2, View C) from shipping
position.
b.
Store pins (2, View D).
c.
Remove retaining pins (6, View E), collars (5), and
connecting pins (5) from end of each strap.
d.
Rotate links (3, View C) forward and pin to adjacent
strap (View F) using connecting pins, collars, and
retaining pins (4, 5, 6, View E).
2.
Connect straps to boom hoist equalizer as follows:
a.
Using assist crane, lift boom hoist equalizer (7) into
position on rails (View A).
b.
Attach equalizer to holes in equalizer rails with stop
pins (8, View B). Stop pins must be installed to
prevent equalizer from accidentally sliding back
on rails during link assembly.
c.
Remove retaining pins, collars, and connecting pins
(4, 5, 6, View B) from equalizer link (9).
d.
Rotate equalizer links (9) forward and pin to strap on
adjacent insert.
3.
Remove equalizer stop pins and store.
NOTE:
See Figure 4-28, View A, for strap connections on
b o o m s 3 2 0 ft ( 9 8 m ) – 4 0 0 ft ( 1 2 2 m ) w i t h
intermediate suspension.
Install Upper Boom Point — #79-44 Boom
If required, install upper boom point.
See Figure 4-27, View G for following procedure.
1.
Using nylon lifting slings, lift upper boom point into
position at front of boom top.
2.
If necessary, remove pins (13) from upper connecting
holes in upper boom point.
3.
Align connection holes (A) and insert pin (13).
4.
Rest boom point on ground.
5.
Remove slings.
6.
Install lower connecting pin (13) in hole (B) when boom
is raised.
CAUTION
Equalizer rails are provided only to support equalizer
during assembly and disassembly.
Do not attempt to lift boom with boom hoist when
equalizer is pinned to rails. Structural damage to insert or
equalizer will occur.