Different functions of outer hydraulic circuit control levers
P+11N017
There are four positions of the lever (a):
P+11N018
There are four positions of the lever (b):
N - Neutral position. Quick coupler drives (1) and (2) are closed and oil in the hydraulic appliance connected
is blocked. Lever
a
is locked in this
osition
1 - Pressure in quick coupler (1). Quick coupler (2) is connected with the drain. Lever (a) is locked in this
position. In case pressure exceeds 16.5 MPa when connected to quick coupler (1), lever (a)
automatically returns to (N) position - kick-out function
2 - Pressure in quick coupler (2). Quick coupler (1) is connected with the drain. Lever (a) is locked in this
position. In case pressure exceeds 16.5 MPa when connected to quick coupler (2), lever (a)
automatically returns to (N) position - kick-out function.
P - Floating position. Both quick couplers (1) and (2) are connected with the drain and oil is free to flow in
both directions. Lever
a
is locked in this
osition
N - Neutral position. Quick coupler drives (3) and (4) are closed and oil in the hydraulic appliance connected
is blocked. Lever (b) is locked in this position
3 - Pressure in quick coupler (3). Quick coupler (4) is connected with the drain. It is necessary to hold lever
(b) in this position, when released, lever (b) automatically returns to (N) position. In addition, quick
coupler (3) is equipped with a one-way valve - convenient for connecting a tool which requires higher
de
ree of im
ermeabilit
- minimum lowerin
of the tool durin
trans
ort
4 - Pressure in quick coupler (4). Quick coupler (3) is connected with the drain. Lever (b) is locked in this
osition
P - Floating position. Both quick couplers (3) and (4) are connected with the drain and oil is free to flow in
both directions. Lever (b) is locked in this position
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