102
HYDRAULIC SYSTEM
E418
CONTROL OF SELECTIVE CONTROL VALVE
Each control lever of sections has four positions.
Lever position Function
1
Rear (upper) position
Pressure oil flows to quick couplings: "4", "6"
Quick couplings connected with return line: “3“, “5“
2
Middle position Neutral
3
Front (lower) position
Pressure oil flows to quick couplings: "3", "5"
Quick couplings connected with return line: “4“, “6“
4
Front margin position By increased force, it is possible to move the control
lever from position (3) forward to position (4), so
called floating (free) position, in which both levers are
locked. Both quick couplings of each section are
connected with return line in this position.
Note: The lever returns automatically from positions (1) and (3) into neutral.
Remember to connect the single-acting cylinder always to quick couplings
“4“, “6“!
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