Manitowoc Published 12-10-19, Control # 258-05 4-69
MLC90A-1/MLC100-1 OPERATOR MANUAL SETUP AND INSTALLATION
Open Boom
See Figure 4-44.
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 lowered.
2. Boom up only enough to support the boom when the
bottom connector pins (3, View B) are removed.
3. Remove the bottom connector pins.
4. Store the pins in the holders on the boom insert (View
C).
5. Slowly boom down and lower the boom sections onto
blocking (View D).
CAUTION
Avoid Gantry and/or Boom Butt Damage!
Do not attempt to lift the boom during the following step.
Damage can occur.
WARNING
Crushing Injury Hazard!
Prevent serious crushing injury:
• Do not stand inside the boom sections while
removing the connector pins — STAND OUTSIDE
BOOM.
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