Zetor PROXIMA POWER Z90 2012, Operator'S Manual

Page: 104 / 222

103
HYDRAULIC SYSTEM
The hydraulic system is intended for
lifting and lowering of agricultural ma-
chines and implements attached in the
rear three point hitch.
Page
Hydraulic system..................................................................................................... 104
Hydraulics control panel.......................................................................................... 105
Ways to regulate inner hydraulic circuit................................................................... 105
Controlling the inner hydraulic circuit ...................................................................... 106
Free (floating) position ............................................................................................ 106
Adjustable stop........................................................................................................ 106
Three-point hitch lowering speed control ................................................................ 107
Hydraulic system sensitivity control......................................................................... 107
Position regulation of the lifting of the rear three-point hitch ................................... 108
Power regulation of the lifting of the rear three-point hitch ...................................... 109
Mixed regulation of lifting the rear three-point hitch................................................. 110
Exterior rear hydraulic arms controls....................................................................... 111
Outer hydraulic circuit ............................................................................................. 111
Outer hydraulic circuit controls ................................................................................ 112
Locking control levers ............................................................................................. 113
Different functions of outer hydraulic circuit control levers ...................................... 114
Amount of oil taken from outer hydraulic drives ...................................................... 117
*quick couplers with dripping oil reservoir ............................................................... 118
Connecting and disconnecting quick couplers ........................................................ 118
Connecting machinery and tools to outer hydraulic circuit ...................................... 119
Connecting machinery and tools assembled from more parts................................. 119