Two-Section Switchboard External Hydraulic Circuit Controlling Levers Function - Zetor Major 80 Operator's Manual

TWO-SECTION SWITCHBOARD EXTERNAL HYDRAULIC CIRCUIT CONTROLLING LEVERS FUNCTION

Lever (a) 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 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.
Lever (b) function
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 position (N).
4 - Pressure in quick-coupler (4). Quick-coupler (3) is connected with waste. After release, lever returns to position (N).
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.).
HYDRAULIC EQUIPMENT
NM13N019 NM13N020
76