Metering auger
The micro-granular compound or suitable fertil-
iser is transported in the metering auger or the
metering unit and supplied to the fan air flow.
CAUTION
Risk of injury on the rotating screw
¾
Switch off the micro-granulate facility before
working on the metering auger.
1
2
5
7
8
6
3
4
Metering micro-granular compound - metering auger
1 Metering housing / feed
2 Metering auger
3 Hopper empty sensor
4 Gate valve
5 Pressure compensation hoses
6 Calibration bag mounting
7 Metering motor
8
Introduction into fan air flow
Selecting the metering auger
¾
See chapter
Appendix
.
Changing the metering auger
3
2
1
4
¾
If the hopper is full, loosen the gate valve with
the wing nut and reinsert it into the slot the
other way around (1).
¾
Loosen the two wing nuts on the metering unit
and pull out the lid with the metering auger (2).
¾
Pull the spring pin out of the shaft (3).
¾
Replace the auger. Pay attention to the con-
dition and the correct fit of the O-ring on the
screw to be assembled.
¾
For metering augers with the volumes 3 cm³
or 6 cm³ insert the reducing pipe (1) first. Fix
the reducing pipe with the wing nut against
twisting (2).
2
1
¾
Insert the spring pin.
¾
Reinsert the parts into the metering unit.
¾
Turn the screw further until the hexagon can
be inserted into the drive from the top.
¾
Retighten the wing nuts.
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