Operation Instruction
3.14.4 Use of Linkage
To ensure the consistent of ploughing depth, the plough should
be adjusted at the longitudinal and horizontal position.
Longitudinal adjustment: adjust the length of upper pull rod
A to keep the plough frame level at longitudinal orientation.
If the front furrow is ploughing deeper than rear one or the
plough heel leaves ploughed groove, the upper pull rod
should be extende
d. If the rear furrow is ploughing deeper
than front one, or the plough heel compacts the ploughed
groove, the upper pull rod should be retracted.
Horizontal adjustment: adjust the length of left/right lifting
rod to keep the plough frame level at horizontal. Extend the
right lifting rod B to increase the tilling depth of 1
st
furrow;
retract the right lifting rod to decrease the tilling depth of 1
st
furrow.
Generally, the left lifting rod C is not needed to
adjust. It is only used when the adjusting amount of right
lifting rod is insufficient to keep the depth consistent.
Fig. 3-19 Linkage
Important:
1. When tilling, the deflective traction of agricultural implement is not allowed by fixing limit lever to avoid
damaging the linkage.
2. No steering with the a
gricultural implement not lifted to avoid damage of linkage. It is only allowed to steer
the tractor after furrow is lifted.
Note: when the tractor turning at the field edge, the limit rod is mainly used to avoid big swing of lower link that
could cause impacting the rear wheel of tractor. When agricultural implement working, the limit rod is slack to
allow some swing amount between the tractor and implement.
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