Tw
-section switchboard external hydraulic circuit controlling levers functio
One-section switchboard external hydraulic circuit controlling levers function
Lever (a) function
Lever (b) function
N -Neutral position. Outlets to a quick-coupler (1) and (2)
are closed and oil in the connected hydraulic device is
locked. Lever
a
is locked in this
osition
1 - Pressure in quick-coupler (1). Quick-coupler (2) is
connected with waste. After release, lever returns to
position (N)
2 - Pressure in quick-coupler (2). Quick-coupler (1) is
connected with waste. After release, lever returns to
position (N)
P -Floating position. Both quick-couplers (1) a (2) are
connected with waste and oil can freely flow in them in
both directions. Lever (a) is locked in this position
N -Neutral position. Outlets to quick-couplers (3) and (4)
are locked and the oil in the connected hydraulic device
is blocked. Lever (b) is locked in this position
3 - Pressure in quick-coupler (3). Quick-coupler (4) is
connected with waste. After release, lever returns to
osition
N
4 - Pressure in quick-coupler (4). Quick-coupler (3) is
connected with waste. After release, lever returns to
position (N)
NM13N019
Quick-coupler (0) is directly connected with the area of
final house driving and is designed for returned oil from
external hydraulic devices (e.g. from rotation hydro
engines etc.).
NM13N020
Lever (a) function
N -Neutral position. Outlets to quick-couplers (1) and (2)
are closed and oil in the connected hydraulic device is
blocked. Lever (a) is locked in this position
1 - Pressure in quick-coupler (1). Quick -coupler (2) is
connected with waste. After release, lever returns to
position (N)
2 - Pressure in quick-coupler (2). Quick-coupler (1) is
connected with waste. After release, lever returns to
position (N)
P -Floating position. Both quick-couplers (1) a (2) are
connected with waste and oil can freely flow in them in
both directions. Lever (a) is locked in this position
NM13N021
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