Manitowoc GROVE RT890E Operator's Manual page 116

SET-UP AND INSTALLATION
• Remove the retaining pins and take both pins (1) out of
the bearing points (2) at the front of the main boom
head.
• Insert both pins into the holders (3) and secure them
with retaining pins.
• Release the retaining pin and remove the thin pin from
the bearing point (4).
• Slew the auxiliary boom top to the side of the main boom
head.
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• Using the thin pin (1), fasten the auxiliary single-sheave
boom top to the bearing point (2).
• Secure the pin with a retaining pin.
• The auxiliary single-sheave boom top is now in transport
position.
Rigging in Working Position
On the left side of the main boom head, there is a holding
device. In working position, the auxiliary single-sheave boom
top is attached to the main boom head at both bore holes.
• Release the retaining pin and remove the thin pin from
the bearing point.
RT890E