MTZ 1220.1/1220.3
Section I. Coupling of implements
I 20
Field flatting during operation with ordinary ploughs
Fig. I-21.
First pass.
Only three plough shares
are engaged. The last
share cultivates approx-
imately in half of standard
plowing depth.
Fig I-22.
Second pass.
Right tractor wheel is in a
furrow. The first plough
share cultivates in half of
standard plowing depth
and the last share culti-
vates in full depth.
Fig I-23.
Third pass.
Right tractor wheel is in
the first furrow after the
second pass. Plough is set in
half of the first share’s depth
allowing flat surface. The last
share cultivates in full
depth.
End of ploughing.
During the last pass,
ploughing in full depth is
performed,
leaving
the
field unploughed for 1-2
furrows. During the last
pass the first two shares
cultivate the two remain-
ing furrows, and rear
plough share cultivates for
½ the ground that has al-
ready been broken.
Fig. I-24.
Summary of Contents for 1220.1
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