Reference
Only
Manitowoc
Published 01-08-13, Control # 049-05
4-49
2250 MAX-ER 2000 OPERATOR’S MANUAL
SET-UP AND INSTALLATION
4
BOOM INSTALLATION
Boom Rigging Assembly Drawings
Boom components (top, inserts, straps) must be assembled
in proper sequence according to this section and the Boom
Rigging Assembly Drawings at the end of this section.
Install Boom Butt (all booms)
See Figure 4-22 for following procedure.
1.
Attach 4-leg chain from assist crane to four lifting lugs on
boom butt top chords.
2.
If necessary, remove hinge pins and keeper plates
(1, View D) on adapter frame and temporarily set to
side.
3.
Lift butt into position so connecting holes in butt line up
with connecting holes in adapter frame (2, View D).
4.
Add washers on each side to limit side play between butt
and adapter frame to 1/8 in (3 mm)
5.
Insert boom hinge pins (1, View D) and install keeper
plates.
6.
Lower butt onto blocking approximately 12 in (305 mm)
high (View A).
Raise Physical Boom Stop (all booms)
See Figure 4-22 for following procedure.
Raise boom stop to operating position, as follows:
1.
Attach a nylon sling from assist crane to boom stop in
stored position (View B).
2.
Raise boom stop to operating position (View C).
3.
Raise strut (3, View B) from stored position to operating
position (3, View C).
4.
Pin strut (3) to lug (5, View C) with pin (4).
5.
Disconnect sling.
6.
For #79-44 boom, connect air lines from crane to boom
stop.
Connect Hydraulic Lines (all booms)
The hydraulic lines from Drum 9 on the boom are coupled
together to prevent dirt and water from entering the
quick-couplers during shipment. The quick-couplers are
arranged so the hoses can only be connected one way.
1.
Connect high pressure hydraulic lines (6 and 7, View E)
from Drum 9 to quick-couplers in center of rotating bed.
2.
Connect charge pressure lines (8a and 8b, View F) from
Drum 9 to quick couplers on left side of rotating bed.
3.
Connect drain line from Drum 9 to quick coupler (9,
View F) on left side of rotating bed.
