Manitowoc GROVE RT890E Operator's Manual page 86

SET-UP AND INSTALLATION
• Fasten the locking bar (1) with a pin (3) onto the 23 ft (7
m) section and with a pin (2) onto the 23 ft (7 m) section.
• Secure both the pins, each with one retaining pin.
Joint at the 33 ft (10.1 m) section
This joint has to be established:
- when rigging the 56 ft (17.1 m) two-stage
swingaway lattice extension - before the 23 ft (7 m)
section is folded before 33 ft (10.1 m) section.
- Before operating with the 33 ft (10.1 m) swingaway
lattice extension, if the 23 ft (7 m) section is
removed.
- Fasten the locking bar (1) with a pin (2) and (3) onto
the 33 ft (10.1 m) section.
4-24
- Secure both the pins, each with one retaining pin.
Connections in the rear connection
Connection between 23 ft (7 m) section and main
boom
The connection must be made:
- when unrigging of the 56 ft (17.1 m) two-stage
swingaway lattice extension,
- for operation with the 33 ft (10.1 m) swingaway
lattice extension.
The connection must be removed:
- when rigging the 56 ft (17.1 m) two-stage
swingaway lattice extension,
- for unrigging the 56 ft (17.1 m) two-stage
swingaway lattice extension.
Removing the connection
Risk of accidents from falling 23 ft (7 m) section.
Make sure the connection is established at the pivot point
between the 23 ft (7 m) section and the 33 ft (10.1 m)
section before you remove the connection between the 23
ft (7 m) section and the main boom. This will prevent the
23 ft (10.1 m) section from falling down when releasing
the connection.
• Release the retaining pin and remove the pin (1) from
the bearing point (3).
• Insert the pin in the retaining sheet (2) and secure it with
a retaining pin.
RT890E
DANGER