Manitowoc GROVE RT890E Operator's Manual page 114

SET-UP AND INSTALLATION
AUXILIARY SINGLE-SHEAVE BOOM TOP
(ADDITIONAL EQUIPMENT)
Identification
The auxiliary single-sheave boom top is designed for the
crane it was delivered with.
CAUTION
Operate the crane only with the auxiliary single-sheave
boom top that has the identical serial number.
If you wish to use the auxiliary single-sheave boom top on
several Manitowoc/Grove cranes, it needs to be adapted to
the corresponding crane and marked with all the serial
numbers.
CAUTION
The auxiliary single-sheave boom top should only be
adjusted by Manitowoc CraneCARE at the particular
location.
The serial number (a) is on a plate, in the front on the
auxiliary single-sheave boom top.
4-52
Installing/Removing Auxiliary Single-Sheave
Boom Top
Risk of accidents if boom top should fall off! During
installation and removal, always use the proper materials
with sufficient load bearing capacities.
Installing Auxiliary Single-Sheave Boom Top
On the left side of the main boom head there is a holding
device. When installing, the holding device is connected at
the front bore holes.
• Loosen the retaining pin and remove the pin (1) from the
bearing point (2).
• Use an auxiliary crane to couple to the connection eyes
(3) on the auxiliary single sheave boom head and lift it to
the left onto the main boom head.
• Align the auxiliary single-sheave boom top so that the
bearing point (2) lines up to the front bore holes in the
holding device.
RT890E
DANGER