100
HYDRAULIC SYSTEM
E414 E415 E416
CONTROL OF SINGLE-ACTING
CYLINDER
Single-acting hydraulic cylinder is always
connected to quick coupling "1".
Lifting Lever in position "a"
(pressure in quick
coupling "1")
End of lifting Lever is shifted to
position "b" – neutral
Lowering Lever is shifted to
position “c“ – floating
End of lowering Lever is shifted to
position “b“ – neutral
CONTROL OF DOUBLE-ACTING
CYLINDER
Double-acting hydraulic cylinder is
connected to quick coupling "1" and "2".
Movement in
one direction
Lever in position "a"
(pressure in quick
coupling "1")
End of
movement
Lever in position "b"–
neutral
Movement in
opposite
direction
Lever in position "d" -
(pressure in quick
coupling "2")
End of
movement
Lever in position "b"–
neutral
Lightened
position
Lever in position "c"
(low pressure in
quick coupling “2”)
The outer circuit control lever
must be moved as quickly as
possible over position „c" (floating
position) when working with
double-acting cylinder, because
both sides of cylinder are
connected with the return line
and it means that uncontrolled
movement of the piston rod might
occur.
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