Operation - Work application
6 - 69
830 / 07.2012
Original operating instructions
6.5.8 6.5.9 Changing the crawler track width (hydraulic –
optional)
General information You can alter the track width of the machine:
When deployed and during maintenance and servicing, always
extend the running gear to the maximum track width and secure.
The running gear track width can be reduced in order to transport
the machine on a flatbed trailer. If necessary, remove extension
pieces.
Safety instructions Comply with the safety instructions before starting to telescope the
running gear.
DANGER
Danger of accident through tipping of machine!
Never slew the upper structure when the running gear is retracted
and the operating equipment has been removed.
Before telescoping, position the upper carriage parallel to the under-
carriage and apply the rotating mechanism brake to prevent twisting.
Do not rotate the upper carriage during the telescoping procedure.
The machine is ready to operate after the running gear has been
extended, pinned and secured. Hydraulic cylinders offer no degree
of security. The running gear may move in the event of leaks or seal
failures.
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