Kongskilde KDC 8000, Manual

12

Adjustment of inclination

Ensure that the cleaner has the correct inclination. 

A recommendable starting point would be to set the 

cleaner to an angle of inclination of approx. 9°.

The inclination should never be less than 4.5°, and 

the max. required inclination will normally be 12°.

The inclination affects the flow velocity, the layer 

thickness on the screens and, accordingly, the 

cleaning efficiency.

The effect of the inclination may be 

illustrated by the following general 

information

Inner screens

The inner screen arrests large impurities.

At increased inclination, it is easier to separate the 

large impurities as they move more quickly across 

the screen to the outlet, at the end of the screen 

drum.

The large impurities will have less time to be 

rotated or broken and, accordingly, pass through 

the screen.

This, however, also allows the crop less time to 

pass through the screen before reaching the outlet 

at the end of the screen drum - and being mixed 

with the impurities.

Outer screens

The small impurities are separated on the outer 

screen. The outer screen is also used in the 

grading of malting barley to separate the small-

sized grains.

At increased inclination, the crop will move more 

quickly across the outer screen, resulting in higher 

capacity and reduced separation of the small im-

purities, since less time passes before the crop is 

lifted into the aspiration cleaner.

Capacity

The cleaning efficiency will generally depend on 

the capacity, as a smaller load on the screens will 

improve the separation of impurities. Therefore 

adjust the material flow to the cleaner, to obtain the 

desired cleaning efficiency.

Do not fill more grain into the machine than can be 

handled by the inner screen. If the machine is over-

filled, part of the grain will reach the opposite end of 

the screen drum and mix with the screenings from 

the inner screen.

The best result is obtained with dry crops. In-

creased moisture content reduces the performance 

of the cleaner.

Adjustment of aspiration cleaner

1.  First close air slide (A) completely.

2.  Adjust the guiding plates by means of the han-

dle (B), to ensure that the crop layer is equally 

high in both sides of the cleaner. This may be 

checked through the inspection windows on the 

sides.