Malfunctions during crane operation
14.5 Emergency operations and programs
Operating Instructions GMK5250L 3 302 633 en 14 - 43
27.09.2017
The following table shows all the button combinations. Actuated buttons
are shown in black.
s
Pre-selected power unit
Button
combination
Telescoping
mechanism
Derricking
gear
Slewing
gear
Hoists
Lattice
extension
cefa bd
None
1)
Lower boom None Lower Lower boom
Retract Raise boom None Raise Raise boom
None None
Slew to the
right
None None
None None Slew to left None None
1)
If the telescoping cylinder is unlocked, it will extend.
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