Manitowoc Published 12-10-19, Control # 258-05 4-71
MLC90A-1/MLC100-1 OPERATOR MANUAL SETUP AND INSTALLATION
Disconnect Boom Pendants from Equalizer
1. Make sure the equalizer is pinned to the boom butt with
the tie-back links as shown in View, Figure 4-43 on
page 4-66.
2. Unpin the insert pendants (3, View A, Figure 4-45
) from
the equalizer (2).
3. Store the pendant pins in the pendant holes.
Disconnect Boom Butt from Boom
See Figure 4-45.
1. Boom up only enough to support the boom butt when the
top connector pins are removed.
2. Remove the top connector pins (6, View B).
3. Store the pins in the holders on the boom insert.
4. Travel the crane in reverse, away from the boom
sections.
Install Hook-and-Weight Ball
If you are going to use the for self-disassembly, install the
hook-and-weight ball on the boom butt. See Install Hook-
and-Weight Ball on page 4-19.
Only use the load line from Drum 1 (front drum only).
Configure RCL/RCI for Crane Setup
Select the Boom Butt Configuration in the RCL/RCI display.
WARNING
Moving Object Hazard!
Prevent serious crushing injury:
Do not disconnect the insert pedants (3, View A,
Figure 4-45
) from the equalizer (2) until the equalizer is
pinned to the boom butt. Otherwise, the equalizer can be
pulled rearward by the boom hoist wire rope.
CAUTION
Avoid Sheave Damage!
Once the boom butt is disconnected from the boom,
use extreme care while swinging so the rope guide
(7) under the boom butt does not hit the crawlers (or
carbody counterweight if installed).
CAUTION
Wire Rope Damage!
Observe the load line spooling on Drum 1 often during
crane disassembly.
To avoid wire rope damage, adjust the load line spooling
as necessary.
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