Zetor Major 80 - Hydraulic Equipment

67
HYDRAULIC EQUIPMENT
It serves for heaving and lowering agri-
cultural machines and tools connected in
rear three-point linkage
Page
Hydraulic equipment .....................................................................................68
Hydraulic control panel..................................................................................69
Means of internal hydraulic circuit regulation................................................69
Internal hydraulic circuit control elements.....................................................70
Free (floating) position ..................................................................................70
Speed of three-point linkage lowering control...............................................71
Hydraulic sensitivity system control ..............................................................71
Position regulation of rear three-point linkage heave ...................................72
Power regulation of three-point linkage heave..............................................73
Mixed regulation of three-point linkage heave..............................................74
External hydraulic circuit ...............................................................................75
Extrernal hydraulic circuit control elements ..................................................75
Two-section switchboard external hydraulic circuit controlling
levers function...............................................................................................76
One-section switchboard external hydraulic circuit controlling
levers function...............................................................................................77
Quick-couplers engagement and disengagement ........................................78
Connecting machines and tools to External hydraulic circuit........................79
Connecting machines and tools assembled from more parts.......................79