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- 23 -
6.2.2 DEPTH CONTROL WHEELS
The lateral wheels of the sowing equipment ((1, Fig. 6.6) con-
trol the sowing depth at the foldable parts. For regulating
these wheels, use the wrench (2, Fig. 6.7) provided with the
machine. The adjustment steps are:
Fig. 6.6
1
Fig. 6.7
Fig. 6.7
3
2
1-
Unlock the wheel by means of
the fastening handle.
2-
Place the wrench (2, Fig. 6.7)
and turn it to the left and to the
right for lowering and lifting
the sowing equipment.
3-
Verify the desired work height
with the graduated scale (3, Fig.
6.7).
4-
Remove the wrench and clock
the wheel with the fastening
handle.
WHEN SOWING ON LOOSE AND SOFT SOIL,
PLACE ONE OR TWO LATERAL WHEELS LESS IN
ORDER TO COMPENSATE THE WHEEL SINKING
ON THE TERRAIN. ADJUST THE WHEELS TO THE
POSITION 2 OF THE SCALE.
FOR REGULAR SOWING, ADJUST BOTH WHEELS
AT THE SAME HEIGHT.
6.2.3 COULTERS
The seed drill is fitted with coulters for opening furrows in
which the seeds or fertilizer will be placed. Several coulter
models are available for different soil conditions:
-
SM MODEL:
for sowing on fields with no (direct sowing) or
minimum tillage..
-
NS-PLUS MODEL:
for sowing on prepared land.
VERY IMPORTANT:
ANY CHANGES TO THE
COULTER PRESSURE MUST BE MADE WITH THE
SOWING EQUIPMENT RAISED AND THE COUL-
TERS OFF THE GROUND.
