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11.3 Adjusting the roller pressure
The pressure of rollers can be adjusted during work from the tractor cabin using the WHITE hydraulic
circuit.
•
The roller pressure should be set when setting the working depth.
•
When the working depth is changed, the roller pressure must be set again.
•
When the machine works without pressure – 0 bar on the manometer, the pressure on soil is only
created by the weight of the rollers.
The ball valve on the connecting rod used for roller pressure must be in the closed position, see figure
below
Ball valve in closed position
• Ball valve in closed position IT ISpossible to set pressure
• Lifting rollers from the tractor IS NOT possible
Pressure setting is displayed on the manometer placed in the front on the connecting rod (grey frame).
If it is required to lift the rollers, the ball valve must be in the open position, see figure below –
it is not possible to set the roller pressure in this position!!!
The chart below shows the converted weight per section from the pressure displayed on the manome-
ter located in the front of the machine.
F [kg] — Roller pressure in kg
+0
F [kg]
Setting pressure visible on the machine manometer
0
The requirement for setting the value of the roller pressure agrees with the value in the
manual. Setting the pressure beyond this value may damage the machine.
+200
+400
12
24
51 | 59
MACHINE ADJUSTMENT
+600
+800
36
48
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