38
Initial adjustment of combi-cleaner
Inclination: ..................... 5.0°
Inner screen: ................. ø9 / ø9 / ø7,4
Outer screen: ................ 2.5 x 16.5 eller 2.65 x 16.5
Selection of inner screen
The selection of the inner screen depends to a high
degree on the quality of the threshing and the
expected capacity. If the crop is reasonably well
threshed it will sometimes be advantageous to
replace the 2nd section of the inner screen of ø9 by
an ø7.4 screen and thereby obtain a cleaner crop.
Selection of outer screen
The selection of the outer screen depends on the
desired capacity.
Where a high capacity is desired, the 2.65 x 16.5
screen should be selected. You risk, on the other
hand, a separation of good grains of 3 - 12 % de-
pending on the starting material sorting.
The 2.5 x 16.5 screen should be selecte where a
lower capacity and perhaps two cycles can be
accepted to achieve a final sorting result of 90 %.
Control of sorting
After the initial adjustment of the DPC 40 and ope-
ration at the capacity stated for two or three mi-
nutes, samples should be taken to check if the
desired final result has been achieved.
When taking samples at the combi-cleaner outlet it
is recommended to collecy the entire grain flow for
a short moment before selecting the desired quanti-
ty from the collected grain.
The sorting rate of the sample is found by means of
the test screens. If the percentage is too low,
reduce the capacity, and if it is too high, increase
the capacity. As crops will vary, however, it will be
wise to allow for a minor safety margen.
If the capacity is changed, new samples will have to
be taken. Continue this way until the desired sorting
result of the finished product has been obtained.
When the correct capacity setting has been
reached it is recommended to deliver a sample of
the finished product to the feedstuff dealer for
testing, as the test screens are intended as a guide
only.
Maintenance
Greasing
• P.t.o. shaft
Grease the shaft of the p.t.o. driven version
every eight operating hours.
• Transport kit
If the machine is provided with a transport kit,
grease the wheel bearings once a year.
All other bearings are lubricated for life from the
factory. This also applies to the bearings of the
screen drum even though they are provided with
a lubricating nipple.
Belt tensioning
Check at regular intervals that the belts are taut,
especially while they are new. The first belt tensio-
ning should normally take place after two or three
hours of operation.
Retightening
In a new machine all screws and bolts should be
retightened after the first day of operation. Make
sure that they are always securely tightened.
Storage
Clean the machine if it is to stand idle for a conside-
rable period of time.
To prevent corrosion keep it in a dry place protected
from moisture.
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