Manitowoc Published 12-10-19, Control # 258-05 4-35
MLC90A-1/MLC100-1 OPERATOR MANUAL SETUP AND INSTALLATION
Connect Boom Pendants to Equalizer
See Figure 4-20.
1. Boom down to slacken the boom hoist wire rope (1, View
C) until the equalizer (2, View B) is resting firmly on the
boom butt equalizer rails (3) and the tie-back pins (4,
View A) are loose.
2. Pin the insert pendants (5, View D or E) to the equalizer
(2) with the pendant pins (6) — pin heads toward
inboard side of pendants.
Close Boom
1. During the following step, the boom will pivot about the
upper boom point stands if the upper boom point is
installed.
If the upper boom point is not installed, block under the
lower boom point, as required, so it does not dig into the
ground as the boom is raised.
2. Slowly boom up to align the bottom connector holes and
install the bottom connector pins (3, Figure 4-21
). —
long tapered end pointing in.
The pins are stored in holders on the boom insert.
3. Boom down to slacken the boom hoist reeving.
Disconnect Equalizer from Boom Butt
See Figure 4-20.
1. Make sure the tie-back pins (4, View B) are loose
before removing them.
2. Slacken the boom hoist wire rope.
3. If necessary, use a pry bar to move the equalizer
forward enough to loosen the tie-back pins (4, View B).
A pry bar hole (A, View A) is provided in the equalizer. A
pry bar beam (B) and slots (C) are provided in the boom
butt.
4. If equipped with intermediate suspension, pin the
intermediate suspension pendants (7, View D) to the tie-
back links (8) with the tie-back pins (4).
5. If not equipped with intermediate suspension, pin the tie-
back links (8, View F) in the storage position with the tie-
back pins (4).
Configure RCL/RCI for Crane Operation
Select and confirm the required Crane Configuration and
capacity chart in the RCL/RCI display.
CAUTION
Avoid Gantry and/or Boom Butt Damage!
Do not boom up past the bottom insert connector holes.
WARNING
Moving Object Hazard!
Prevent serious crushing injury:
Make sure the pins (4, View A) are loose before removing
them. Otherwise, the equalizer can be pulled rearward by
the boom hoist wire rope.
Item Description
1Boom Butt
2Boom Insert
8 Bottom Connector Pins with Safety Pins
Figure 4-21