Option
28 Options
hydraulic connections
28.1 Hydraulic Connections for Accessory Equipment
At the dipper stick there are hydraulic connections for the
supply
of accessory equipment.
Ball valve at dipper stick
lever position for grab operation
The hydraulic connections for accessory equipment are
supplied by switching over the ball valve at the dipper
stick
auxiliary hydraulics and the ball valve at the main valve
block.
lever position for bucket operation
Ball valve at manifold block
lever position for auxiliary hydraulics
lever postion for hammering mode
28.2 Overload Warning Device for
Hoisting Operation
Hoisting operation means the lifting, handling and lowering
of
loads by means of a slinging device (rope, chain), requiring
the
assistance of persons for attaching and loosening the load.
This
inlcudes, for example, the lifting and lowering of tubes,
shaft lining
rings or containers by means of excavators. Operating
sequences
where the material is taken up by self-gripping devices and
the
assistance of persons is not necessary are defined as
excavator
operations.
9707672_user manual_en
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