RT890E
•
Secure the auxiliary single-sheave boom top to the
holding device using a pin (1).
•
Secure the pin with a retaining pin.
•
Depending on the application, bring the auxiliary single-
sheave boom top into transport position or working
position.
Removing the Auxiliary Single-Sheave
Boom Top
•
Attach an auxiliary crane to the connection eyes of the
boom top.
In the working position, the auxiliary single-sheave boom
top is positioned in front of the main boom head and is
fastened with three pins.
•
Remove the retaining pins and draw all the pins out of
the bores and bearing points.
In the working position, the auxiliary single-sheave boom
top is positioned to the side of the main boom head and is
fastened with two pins.
SET-UP AND INSTALLATION
•
Remove the retaining pins and draw all the pins out of
the bores and bearing points.
•
Lift the auxiliary single-sheave boom top from the head
of the main boom.
•
Insert the two thin pins (1) and (3) into the bearing points
(2) and (4) on the auxiliary single-sheave boom top.
•
Insert the two pins (5) into the mounting brackets (6) in
front on the auxiliary single-sheave boom top.
•
Secure all the pins using retaining pins.
RIGGING THE AUXILIARY SINGLE-SHEAVE
BOOM TOP
Rigging in Transport Position
On the left side of the main boom head there is a holding
device. In transport position, the boom top is connected to
the rear bore holes on the holding device.
4
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