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CLEANING SYSTEM
From the rotor, crop material is further processed by an exclusive two-stage cleaning system that starts with a pair of distribution augers, which evenly distribute grain and lighter chaff onto a pair of timed, rubber accelerator rolls. Here, the active pneumatic precleaning system from GLEANER propels grain and chaff through a high-velocity air blast that provides maximum precleaning, removing most of the chaff before it reaches the cleaning sieves. Cleaning capacity and performance are unequalled. Precleaned grain is directed onto a grain pan covered by a layer of grain for gentle cushioning. The uniform distribution of grain is maintained even on slopes and side hills by this system, because gravity is not allowed to affect its placement on the shoe. Lastly, the crop passes through the adjustable chaffer and sieve for final cleaning. However, unlike other combines, GLEANER re-circulates the tailings back to the accelerator rolls for one more cleaning pass, improving grain quality. For hard threshing crops, an optional return-to-cylinder tailings return system is available. It’s a difference you’ll see in the grain tank and at the elevator.
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