BOOM RT880E SERVICE MANUAL
4-28 Published 11-10-2014, Control # 524-00
Checking the Transport Condition
For transportation you must establish certain connections
between both parts of the lattice extension. The connections
which need to be established depend on whether the lattice
extension:
- is folded up at the side of the main boom for
transportation or
- is completely removed for transportation.
You must check transport condition:
- After stowing the lattice extension, before you drive
the crane with the lattice extension folded at the side
or work with the main boom.
- Before installation and before erecting the lattice
extension.
Transport Condition with Lattice Extension Folded at
the Side
The transport condition with the lattice extension folded at
the side is created when all of the following connections are
established.
• Check the connections and establish them if
necessary (Figure 4-5).
If 23 ft (7 m) Section and 33 ft (10.1 m) Section are
Folded at the Side:
If the 23 ft (7 m) Section Only is Folded at the Side:
- The 33 ft (10.1 m) section is locked at the front
mount (2) on the main boom (Figure 4-5).
- The pins (4) are inserted on the pivot point between
the 23 ft (7 m) section and the 33 ft (10.1 m) section
(Figure 4-5).
- The connection (8) in the middle area is between
the 23 ft (7 m) section/33 ft (10.1 m) section
(Figure 4-5).
- The connection (8) between 23 ft (7 m) section and
main boom in the rear area is established
(Figure 4-5).
If the 23 ft (7 m) Section Only is Folded at the Side:
- The connection (8) in the middle area is between
the 23 ft (7 m) section and the main boom
(Figure 4-5).
- The connection (5) between the 23 ft (7 m) section
and the main boom in the rear area is established.
BOOM EXTENSION ERECTING AND
STOWING PROCEDURE
For instructions on erecting and stowing the boom
extension(s) and/or using additional equipment refer to
Section 4 in the Operator Manual.
MONTHLY MAINTENANCE WORK
Pins
Lubricate all attach, securing and retaining pins:
- the pins for the connection on the lattice extension,
- the retaining pins on the return pulleys,
- the retaining pins used for fastening the lattice
extension sections for transport,
- the spring latch on the run-up rail.
NOTE: The maintenance interval applies to average oper-
ation. Also, lubricate the pins after high-pressure
cleaning and generally at an interval that will pre-
vent them from being lubricated.
CAUTION
Be careful not to damage the lattice extension and the
main boom. Always put the lattice extension into transport
condition when folded at the side or working with the main
boom. Only then is the lattice extension secured against
slipping. This way you prevent the partly fastened lattice
extension hitting the main boom or the individual
components of the lattice extension hitting each other and
becoming damaged.
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