Jung JLA-e 5/12 G Mode D'emploi page 43

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  • FRANÇAIS, page 99
In example 1 ideal case, the jack is centred on each of
the four sides since the centre of gravity is exactly in
the centre.
Top view, example 2 complicated case
Symbol
I
© JUNG Hebe- und Transporttechnik GmbH
Electrically driven trolleys JLA-e 5/12 G, JLA-e 15/30 G and JLA-e 25/50 H
Description
Centre of gravity
Selected lifting side
Also allowed lifting side
Prohibited lifting side
Axis of rotation
In the case of the complicated example 2, the jack may
not be just anywhere, since the calculation of the centre
of gravity has shown that it is not in the centre.
Depending on the lifting side, different lifting points for
the jack are obtained. Two diagonals are drawn into
the opposite corners of the desired lifting side through
the centre of gravity. As a result, the opposite side is
the axis of rotation. The other two opposite sides are
prohibited as lifting points within the triangle, since
here the load to be lifted would tilt.
The following examples show the graphic determination
of the lifting side on all four sides of the load to be
lifted.
Left lifting side
Top lifting side
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Ce manuel est également adapté pour:

Jla-e 15/30 gJla-e 25/50 h

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