probst RK-XL-IV Instructions D'emploi page 39

Installation
4.1.7 Attachment with crane boom (optional)
The crane boom has 4 suspension eyes (A) to lift it with
suitable chains/hoisting straps (with the help of an appropriate
hoist) - for positioning on the forklift truck to which it is later to
be mounted.
It is also allowed to lift and transport a gripping device
(without load) mounted on the crane jib at the lifting eyes
(A).
Lifting and transporting on the lifting eyes
(A) with a load (gripping good) is prohibited!
There is a risk of breakage of the lifting
eyes!
When lifting and transporting the crane boom,
persons must not stand in in close proximity.
Standing under a suspended load is forbidden!
ATTENTION!
Danger of squeezing the hands during
assembly work!
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