Manitowoc MLC300 User Manual

Manitowoc Published 11-20-19, Control # 234-19 4-123
MLC300 OPERATOR MANUAL SETUP AND INSTALLATION
3
1
4
Remove Counterweight Boxes
See Figure 4-82 for the following procedure.
NOTE The counterweight boxes (2) must be removed with
an assist crane.
1. Using the switch on the remote control, travel the VPC
trolley forward until the distance from the front edge (A,
Figure 4-83
) of the counterweight tray to the edge (B) of
the rotating bed is not more than the dimension given.
2. Loosen the turnbuckles (9, View B) and remove the
counterweight chain assemblies (7) from the
counterweight boxes and the counterweight tray.
The ratchet on each turnbuckle must be flipped in one
direction to tighten the turnbuckle and in the opposite
direction to loosen the turnbuckle.
3. Store the counterweight chain assemblies in the
counterweight tray after the counterweight boxes are
removed.
4. Remove the counterweight boxes in the following
sequence:
a. One counterweight box removed from either side of
the tray.
b. Two counterweight boxes removed from the other
side of the tray.
c. Continue removing the counterweight boxes in an
alternating sequence, two boxes at a time.
d. Finally, remove one counterweight box from the
required side.
Note that a difference of not more than one counter-
weight box must be maintained side-to-side during
disassembly.
5. Attach synthetic lifting slings (3, View E) around the
lifting lugs (4) on the counterweight boxes (2). Two
counterweight boxes may be lifted at a time.
6. Lift the counterweight boxes off the counterweight tray
and place them on a trailer for shipping.
7. Disconnect the lifting slings.
8. Repeat the steps until all of the of counterweight boxes
are removed.
9. Securely attach the counterweight boxes to the trailer
with tie-downs.
WARNING
Crush Hazard!
To prevent the crane from tipping and the counterweight
boxes from falling off the tray during disassembly:
• Do not remove the counterweight boxes until the
counterweight tray is traveled to the position shown in
Figure 4-83
. The crane will tip.
To prevent the counterweight boxes from falling and
crushing personnel:
• Do not lift more than two boxes at a time. The lifting
lugs may break, resulting in the boxes falling.
• Remove the counterweight boxes in the sequence
specified in step 4
of this procedure.
Figure 4-83
Not More Than
375 mm (14-3/4 in

Manitowoc MLC300 Specifications

General

Brand	Manitowoc
Model	MLC300
Category	Construction Equipment
Language	English