Oliver Hi-Cap N Series, Operation Manual

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10.
Wrong adjustment. This is most commonly a problem with new, inexperienced
operators. The solution to this problem is usually more experience. Do not be
afraid to make adjustments on the machine. Make an adjustment. Wait a couple of
minutes to determine the effect. Then decide if it is good or bad. If the effect is
good, then try something else for further improvement. If the effect is bad, return
to the original setting. Allow a couple of minutes and then try another adjustment.
Finally, remember to make all adjustments in small increments. It is better to
approach the final setting through several small steps than to make one
adjustment that may be too large.
The final pattern on the deck may vary depending on the particle you are
processing. However, for most commodities, the overall pattern will generally be
similar. We suggest an average depth of material of from 1 to 2 inches for material
larger than 1/4 inch; from 1/2 to 1 inch for material ranging from 1/8 to 1/4 inch
in diameter; from 1/4 to 1/2 inch for material from 1/16 to 1/8 inch in diameter
and less than 1/4 inch for material smaller than 1/16 inch in size. As a general
rule, the bed depth at the high end of the machine should be from 1 to 2 times the
depth across the low end of the machine. The average depth under the feeder will
normally be about the same or slightly greater than the depth at the stone
discharge. These patterns will not be correct for all commodities. However, if you
can approximate these conditions on the deck surface, you should see a definite
separation. From this point you can make the necessary adjustments to obtain an
optimum separation.