PGPPN080
There are four positions of the lever (c) which controls quick couplers (5) and (6):
PGPPN079
There are four positions of the lever (d) which controls quick couplers (7) and (8):
N
- Neutral position. Quick coupler drives (5) and (6) are closed and oil in the hydraulic appliance connected
is blocked. Lever (c) is locked in this position.
5
- Pressure in quick coupler (5). Quick coupler (6) is connected with the drain. It is necessary to hold lever
(c) in this position, when released, lever (c) automatically returns to (N) position. In addition, quick
coupler (5) is equipped with a one-way valve - convenient for connecting a tool which requires higher
degree of impermeability - minimum lowering of the tool during transport.
6
- Pressure in quick coupler (6). Quick coupler (5) is connected with the drain. Lever (c) is locked in this
position.
P
- Floating position. Both quick couplers (5) and (6) are connected with the drain and oil is free to flow in
both directions. Lever (c) is locked in this position.
N
- Neutral position. Quick coupler drives (7) and (8) are closed and oil in the hydraulic appliance connected
is blocked. Lever (d) is locked in this position.
7
- Pressure in quick coupler (7). Quick coupler (8) is connected with the drain. It is necessary to hold lever
(d) in this position, when released, lever (d) automatically returns to (N) position. In addition, quick
coupler (7) is equipped with a one-way valve - convenient for connecting a tool which requires higher
degree of impermeability - minimum lowering of the tool during transport.
8
- Pressure in quick coupler (8). Quick coupler (7) is connected with the drain. Lever (d) is locked in this
position.
P
- Floating position. Both quick couplers (7) and (8) are connected with the drain and oil is free to flow in
both directions. Lever (d) is locked in this position.
ELECTRO-HYDRAULIC SYSTEM
142
Summary of Contents for Proxima GP Series
Page 1: ...OPERATOR S MANUAL PROXIMA GP 01 2019 Tractor is Zetor Since 1946 80 90 100 110...
Page 3: ...2...
Page 11: ...10...
Page 29: ...NOTES 28...
Page 55: ...NOTES 54...
Page 75: ...NOTES 74...
Page 95: ...NOTES 94...
Page 97: ...NOTES 96...
Page 105: ...NOTES 104...
Page 119: ...NOTES 118...
Page 151: ...NOTES 150...
Page 167: ...Fuse panel B PGPPN007 ELECTRIC INSTALLATION 166...
Page 183: ...NOTES 182...
Page 205: ...NOTES 204...
Page 219: ...NOTES 218...
Page 224: ...223...