Sharpening Cylinder Concave
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The sharpening process is carried out
from within the cab. This is completed
with the main drive engaged at idle
engine RPM. The procedure and the
number of cycles can be adjusted
from CEBIS.
There are two types of concaves available for under
the cylinder. The smooth version tted as standard
for normal conditions or the heavy duty premium line
version for use in conditions where wear from sandy soil
etc is a problem.
Concave Adjustment
Once the blades wear on the machine,
the bottom ‘concave’ may need to be adjusted to
achieve optimum crop ow, this can be done by
removing the shims tted as required.
Refer to section 9.12.3 in the operators manual for
instructions on how to carry out adjustment.
The sharpening stone readjusts
automatically during the sharpening
process, however after approx. 450
cycles this needs to be manually reset.
Please refer to section 9.12.15 of the
operators manual to carry out this
adjustment.
Number of cycles
The number of cycles can be
adjusted through CEBIS, as few as
possible to obtain a good cutting
edge but as many as needed to
maintain the edge. It is best to
sharpen frequent with less cycles as
opposed to daily with many cycles.
Sharpening Interval
The sharpening interval should be
adjusted dependant on the degree
of wear on the knives. This must be
checked visually, as the degree of
wear will vary dependant on:
• Throughput Volume
• Crop Type
• Sand proportion (stubble height, raking depth)
• Chop Length
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