48
49
Roller change
After choosing a rotor from the table it must be
installed in the metering unit.
¾
Empty the seed hopper, if possible, before
changing the roller.
¾
Unscrew the side cover.
¾
Pull out the roller with the drive shaft.
Rotor 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 metering
housing.
Changing the rotor
The setting of sealing lip and the concentricity
of the roller must be checked after each roller
change.
Roller change with gate
valve
Changing the roller while the hopper is full is
easier if a gate valve is provided above the
metering unit.
¾
Pull out the gate valve (1).
1
2
Gate valve pulled out
¾
Change the roller as described in
Roller change
.
¾
Push in the gate valve and let it engage (2).
