4 Information on crane operation
4.3 Information on rigging work
Safety manual
3 303 022 en
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4.1
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When rigging
– As the crane operator
Lift the counterweight section on to the counterweight platform as described in
the
operating manual
supplied.
Now inform the rigging personnel that they may climb on the truck crane.
– As the rigging personnel
Do not climb on the truck crane until requested by the crane operator.
Position the counterweight if necessary.
– As the crane operator
Only use the
raise/lower hoist
or
raise/lower derricking gear
movements to set
down the counterweight. Carry out the movements as slowly as possible.
Notify the rigging personnel if the superstructure needs to be slewed to position
the counterweight.
Set down the counterweight section.
– As the rigging personnel
Remove the lifting gear and set down the ends so that the clearance is clearly
visible to the crane operator.
Leave the slewing range of the counterweight and the load.
– As the crane operator
Perform the
raise hoist
movement at the lowest possible speed until the lifting
gear is free.
When unrigging
– As the crane operator
Lift the lifting gear over the counterweight section.
Now inform the rigging personnel that they may climb on the truck crane.
– As the rigging personnel
Do not climb on the truck crane until requested by the crane operator.
Attach the counterweight section at the provided slinging points.
– As the crane operator
Wind on the hoist rope until the lifting gear is tensioned – do not continue lifting
the counterweight section.
– As the rigging personnel
Leave the slewing range of the counterweight and the load.
– As the crane operator
Lift the counterweight section off the counterweight platform.
