Downpipe
After the grain transfer in the metering unit
the grain drops through the downpipe into the
ground.
The sensor is the basis for monitoring the drill-
ing process. The sensor detects each grain and
reports it to the computers.
These evaluate the dates and times between
grain signals and use this information to calcu-
late the variation coefficient (drilling accuracy),
faults and double seeds.
Downpipe and sensor must therefore be cor-
rectly installed and fastened.
a
Standard downpipe
(a) Catching hook
Installing the downpipe
The catching hook on the downpipe fastens the
downpipe on the drill unit.
Catching hook engaged
¾
Guide the downpipe down at the front edge
of the recess in the drill unit.
¾
Plug in the top locking bolt and secure it with
a cotter pin.
¾
Attach the seal to the pipe inlet. Ensure tight
fitting.
Seal and locking bolt
If correctly assembled, the downpipe sits tightly
in the opening. It does not touch the trap roller.
¾
Check the correct installation on the drill unit
from underneath.
approx. 2-4 cm
c
b
Downpipe correctly installed
(b) Downpipe
(c) Trap roller
0 cm
c
b
Downpipe incorrectly installed
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