3.2-7 Preparing for crane operation
3.2-7 Putting crane into operating position
The preconditions for extending the crane are: the vehicle is properly supported and the mechanical
extensions are retracted and secured as described in Chapter 4.3
If extensions or a fly jib are not properly retracted and secured they can slide
out of the hydraulic extendable arms when the crane is being extended and
then represent a high accident risk for you and others.
In your activity follow all the safety instructions in Chapter 1.
Cranes with radio remote control:
On cranes with radio remote control ensure that you are not in the
area of the boom as it slews upwards (side B). Select a standing position outside the crane danger
area (see also Chapter 4).
Control stand: Opposite side
(Side B)
Control stand:
Control valve side (Side A)
Emergency control stand:
The crane must never be extended from the emergency control stand,
which is used for ending the loading or unloading operation if the remote control unit fails. The crane
should then be put into transport position and driven to a service workshop (see Chapter 4).
When extending a crane from the emergency control stand there is
acute danger of being injured by the load arm swiveling upwards.
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