40
Towards the bottom the metering unit is com-
pleted by the Venturi area. In the Venturi area
the seed is picked up by the air flow.
During calibration the seed is taken out of the me-
tering unit through the opening in the Venturi area.
The cover must subsequently be closed again
tightly.
Roller change
After choosing a roller from the table, it must be
installed in the metering unit.
The seed hopper should be empty
when changing the roller.
¾
Unscrew the side cover.
¾
Pull out the roller with the drive shaft.
Roller change
¾
Remove lock washer and washer.
¾
Pull out the drive shaft and assemble the new
roller.
The drive shaft requires axial clearance in the
roller for self-cleaning of the roller in the meter-
ing housing.
Changing the roller
The setting of sealing lip and the concentricity
of the roller must be checked after each roller
change.
Roller change with full hopper
Roller change with full hopper
¾
Unscrew the wing screws on side cover and
drive motor, take off side cover and motor.
¾
Remove lock washer and washer from the
drive shaft.
¾
Plug the new cell roller on the drive shaft and
use it to push the old roller out of the motor
side.
¾
Fix the drive shaft, assemble and fasten side
cover and motor.
