M^cKINNON Africa Hullers are specially designed to treat dry cherry. The machine consists of a cylinder fitted with feeding and hulling ribs, enclosed in a strong casing, the lower portion of which is perforated to allow the husks to pass into the husk chamber. The hulling is effected by means of the triturating action between the hulling blade and the ribs on the cylinder. The cylinder at the feed end is provided with a number of ribs set at an angle for facilitating the feed and allowing the coffee to proceed from one end of the cylinder to the other. 

   At the delivery end, there are three angular pieces called lifters used for the purpose of lifting the coffee to the delivery spout. The shells and the dust falling in the husk chamber are then blown out by the fan fitted in the feed end frame of the machine. On larger size models the lower portion of the dust casing is hinged for cleaning purposes and to facilitate the changing of the screens. The feed and delivery spouts are fitted with regulators.

   The machine has an input feed regulation device and an aspiration throat for connection to a central aspiration line or to an individual aspiration line with fan, cyclone, airlocks and piping. The vacuum above the sieve can be adjusted by a butterfly control valve and read on a water gauge tube. Depending upon the input material characteristics, the feed, aspiration intensity, screen inclination, throw angle setting and vibration amplitude can be adjusted for optimum results.

   M^cKINNON Dry Destoners have capacities ranging from 1000 kgs. per hour to 4800 kgs. per hour depending on the input product characteristics.

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