24
4.9.
Coulter disc blade
A properly set coulter disc blade should work:
•
maximum at half the working depth of the
body,
•
at the distance of 1
-
3 cm from the
landside,
•
at 1/3 of its diameter at maximum,
•
at the minimum distance of 5 cm before the
mouldboard shin and the plough share edge,
•
not colliding with the gauge wheel.
All coulter discs should be set identically.
To change the working depth of the
coulter disc:
•
support the coulter disc’s arm to
protect it from falling down,
•
loosen the working depth adjustment
screw,
•
turn
the arm on the ratchet to the
desired setting,
•
tighten the screw.
The distance from the landside is set as
follows:
•
loosening A and B bolts,
•
turning A bolt on it axis in the
longitudinal hole of B bolt to the desired
position,
•
tightening
A and B bolts.
Working depth
adjustment screw
A bolt
B bolt