HP 5 OPERATOR’S MANUAL
COMBINE FUNCTION
The threshing operation is accomplished by a mechanically driven, 13” diameter, variable speed
raspbar cylinder and one adjustable, underslung, grated style concave. A strawpuller positioned
directly behind the threshing cylinder prevents cylinder wrapping and assists the movement of
plant material through the machine. An adjustable / removable curtain is also utilized to prevent
seed rebounding and to control threshed material flow.
PINCH BELT
FEED BELT
INTERNAL CONVEYOR
SHAKER PAN
SIEVE
STRAWPULLER
THRESHING
CYLINDER
CONCAVE
FIGURE C-1 Threshing Function Diagram
Cleaning is achieved in two stages:
1. Threshed material falls upon the mechanically driven sieve where seed and smaller material fall
through the sieve on to the internal conveyor. This conveyor drops the seed into the winnowing
blower air stream.
2. The winnowing blower located at the lower portion of the machine, directs an adjustable air
stream across the discharge area of the sieve and conveyor. In this secondary cleaning stage,
the remaining debris in the seed sample is discharged out the rear of the machine.
Seed falls through the winnowing blower air stream and into the venturi tube and cyclone blower
air stream. The cyclone blower air stream lifts seed through the venturi tubes to the cyclone seed
hopper.
OPERATION C-3
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