Manitowoc Published 12-10-19, Control # 258-05 4-27
MLC90A-1/MLC100-1 OPERATOR MANUAL SETUP AND INSTALLATION
Activate Remote Control
Activate the remote control in the main display. Read the
topic "Self-Erect Controls" on page 4-6
.
Install Crane Counterweight
See Figure 4-16.
NOTE Using the remote control will allow the operator to
see the hold-back holes during the following steps.
1. Prepare the boom stops.
a. Slowly raise the boom butt (1, View A) to
approximately 81°. This step will compress the
boom stop springs (2).
b. Stop raising the boom butt when the boom stop
inner tubes (2B, View C) are visible approximately
50 mm (2 in) into the slots in the boom stop outer
tubes (2A).
The hold-back holes in the inner and outer tubes
should now be aligned.
c. Remove the hold-back pins (3, View C) from the
storage holes (S) and install them in the working
holes (W) between the boom stop tubes.
2. The boom butt will now remain in position while the
gantry is raised and lowered during the remaining steps.
3. Travel the crane into position so it is in line and centered
in front of the crane counterweight (4, View A).
4. The adjustable handling links (5, View B) must be
toward the rear.
Continued on next page.
DANGER
Crush Hazard!
Avoid being crushed by moving parts:
• Do not stand between the crane counterweight and
the crane while the crane counterweight is being
installed.
• Do not stand on the crane counterweight while it is
being raised or lowered.
• Do not climb onto the crane counterweight until the
counterweight pins are engaged.
• Never go under the crane counterweight until the
counterweight pins are engaged.
WARNING
Crush Hazard!
Moving parts can cut or crush.
Do not stick your fingers into the slots in the boom stop
outer tubes (2A, View C, Figure 4-16
).
CAUTION
Structural Damage to Crane!
Use extreme care when compressing the boom stops
during the following steps. Do not compress the boom
stops until they are solid. Damage to the boom butt or
boom stops can occur.
Stop compressing the boom stops when the hold-back
holes are aligned.