73
12.2
Operating switches for control unit valves
Main control ON
Main control OFF
Open section
Closed section
Increase
of output
Decrease
of output
• Switches for sequential control
Main control ON
Main control OFF
Section operating switches
Increase
of output
Decrease
of output
Open section
Closed section
A
Opens sections from the last one open
C
Opens sections from the last one open
B
Closes the sections from the last closed
D
Closes the sections from the last closed
The valves can be opened and closed from the right to the left and vice versa with the section control switches.
Prolonged pressure opens / closes the sections of half boom.
Examples:
• Closing of one section
• Opening of one section
• Simultaneous closing of half boom sections
• Simultaneous opening of half boom sections
As in the example here, shift
once the switch to the left to close
the first open section.
Shift several times to close sections
in sequence.
As in the example here, keep
the switch shifted to the left to close
the boom open half.
As in the example here keep the
switch shifted to the right to open the
boom closed half.
As in the example here, shift
once the switch to the right to
open the first closed section.
Shift several times to open sections
in sequence.
USE
