Malfunctions during crane operation
14.5 Emergency operations and programs
Operating manual 3 302 690 en 14 - 31
GMK4100L-1
23.11.2017
14.5.2 Telescoping emergency program
The emergency program is intended only for retracting the telescoping
when operation with the teleautomation menus is no longer possible due
to a malfunction.
The emergency program is enabled only when the current locking status
can still be detected by the crane control.
The emergency program is not intended for crane operation and is there-
fore restricted to a certain amount of time.
Checks before
using the emer-
gency program
When the
Telescoping emergency program is switched on the swing-away
lattice is not swung away automatically. Telescoping is always enabled irre-
spective of the position of the swing-away lattice.
• (A) – Before telescoping with the emergency
program, check that the swing-away lattice
is swung outwards so the telescoping
parts (1) can move past the swing-away
lattice.
• (B) – If the swing-away lattice is swung
towards the main boom, you must swing
the swing-away lattice outwards using
emergency operation.
Swinging in emergency operation is described
in the
lattice extension operating manual.
H
If the crane needs to be driven with the swing-away lattice folded after tele-
scoping in the emergency program, you must swing the swing-away lattice
towards the main boom using the emergency program.
s
G
Risk of accidents due to the swing-away lattice falling!
Before telescoping with the emergency program, always ensure that the
swing-away lattice is swung outwards.
This way you will prevent telescoping parts from colliding with the swing-
away lattice, brackets from coming off and the swing-away lattice from fall-
ing down.
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