John Deere Combines

John Deere Combines 39
Quadra-Flo: The ultimate cleaning system
1. Heavy-duty conveyor augers handle
large volumes of grain with ease, ensuring an
even sieve load for effi cient cleaning. Note
the deep auger troughs; they provide uniform
distribution of material to the cleaning
system with less bunching, even on side
slopes even when ascending or descending
hills the augers move material evenly and at a
set pace on to the cleaning shoe.
2. Four Dual-Flo cleaning fans blast a
strong, constant stream of chaff-eliminating
air in two directions. Using four separate fans
helps create a high-pressure differential that
blasts trash away while allowing grain to fall
to the shoe.
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3. Dedicated pre-cleaner. Cleaning gets a
head start as high-velocity air moves through
the pre-cleaner to lift chaff and debris aloft,
away from the lower part of the grain layer. In
fact, 25 percent of the chaff is blown out by
the pre-cleaner. Around 1/3 of the grain is
pre-separated, falling directly onto the clean
grain auger, reducing the volume of grain and
chaff that passes to the chaffer and sieve.
4. Chaffer/sieve. By the time grain and
residue reach the chaffer and sieve, a large
part of the straw and debris has already been
removed. The separated grain is easily sorted
through the chaffer and sieve. Optional
electric adjustment of the cleaning shoe
makes optimisation simple.
The W-, T- and C-Series cleaning shoe features
adjustable louvers. All sieves are electrically
controlled and adjusted by an individual
actuator, which is directly connected to ensure
higher accuracy. Since no linkages are used,
sieves can be removed very easily. This system
features an automatic cleanout, which opens
the louvers before closing to allow cleaning
when making auto adjustments. Two integrated
shoe lights are available to make inspection
easier, day or night.
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Grain sampling solution puts John Deere’s
excellent grain quality close at hand.