Gregoire Besson SP9 COMPACT, Instruction Of Utilization And Maintenance

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Operation manual SP 9 - Compact
CHAPTER IX – FIELD SETTINGS – Page 3
9.5.2. PUTTING THE PLOUGH ON THE GROUND
At the beginning of the ploughing, when the movement has been started, put the plough slowly on the
ground in two phases which follow each other while the blades are penetrating into the soil.
1
– Put down the lifting device of the tractor (lifting lever of the tractor)
2
– Put down the wheel of plough (double action (Double Effet hydraulic control lever)
The purpose is the front plough bottom and the rear one perform the equable and linear work already
from the beginning of the field.
9.5.3. ADJUSTMENT OF THE WORKING DEPTH
For adjustment of the working depth it is necessary to have two positions of the devices:
1 – The height of tractors hydraulic lifting system
For first part os plough
2 – The adjustment of ploughs wheel For middle part of plough
9.5.3.1. The adjusting of the depth with the tractor lifting device height
The tractor lifting device height is adjusted by the lifting lever on the switchboard. At the first course
the front breast can not put the ground into the furrow, at it does not exist yet. So it is natural that the
lifting device of the tractor should be raised a little to avoid the formation of the very big ground piling
performed by the front plough bottom.
9.5.3.2. Adjustment of the tractor control system (Draft-Control)
At first it is recommended to put draft control to minimum sensibility (0 - 1), this way it will be easier to
control and adjust it later. When the suitable adjustment is performed it will be enough to increase the
sensibility of the draft control to optimize tractor adherence.
N.B. (nota bene):
¾ In some definite cases, when there are unfavorable draft conditions (soft, wet soil, limited draft
power), it is impossible to put to the minimum the draft sensibility. In this case take into the
consideration the expected reaction of the lifting device performing the average depth.
¾ If the plough has hydraulic load governor by the action of this device the load governor reaction
can be changed. So the height of the tractor lifting device should be corrected.
9.5.4.3. Adjusting of the working depth on the support wheel.
The adjusting of working depth is performed at rear of plough on the support of wheel.
During work the screw (15) of depht limiter rest on pins (17) of wheel support.