MF
71
Rotors
A large number of rotors is available for the dif-
ferent seed types with numerous geometrical
shapes and grain sizes, as well as fertilisers in
form of powders or granulates.
Rollers with special properties are also available
for fertiliser,
fine and
coarse seeds.
The selection of the individual rotors for vari-
ous applications, working widths and delivery
volumes is described in the “E-Manager” in-
structions.
The cell rotors are arranged according to their
delivery rate per revolution.
Rotors for double fall sluices
On machines with double fall sluice and two
seed boxes a rotor design with symmetric gradu-
ation must be used when using a split rotor.
Otherwise the seed is unevenly distributed to
the two halves.
NOTE
Ensure absolute leak tightness of components
with all work activities on the metering unit.
Leaks lead to metering errors.
The contact surfaces must be sealed when
installing the metering unit.
The housing must not be warped when bolting it.
Metering unit
The HORSCH metering unit consists of only
a few individual parts and can be dismantled
without tools.
1
2
3
4
5
6
7
Metering unit
1 Housing
2 Drive motor
3 Clearing valve with sealing lip
4 Rotor
5 Side cover with rotor bearing
6 Side cover for pressure hopper with scraper plate
7 Side cover for normal hopper with rape brushes
CAUTION
Risk of crushing on the metering unit
¾
Do not reach into the rotating metering unit.
¾
Switch off the machine control before any
work that requires reaching into the meter
-
ing unit.
¾
Whenever performing assembly work on the
motor mount it with the bore facing down to
prevent water from entering the housing.
The bottom of the metering unit is completed by
the fall sluice. In the fall sluice the seed is picked
up by the air flow.
During calibration the seed is taken out of the
metering unit through the opening in the fall
sluice.
The covering must subsequently be closed
again tightly.
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