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• The discharge system runs along both sides of the dryer and moves the grain from front (blower end) to rear
(plenum door end).
• Cleanout doors are located below each discharge system for ease of maintenance, etc.
• At the rear of the dryer, the grain is combined and directed to a final discharge area.
Metering Rolls
• The metering rolls direct the grain to the discharge system at a controlled rate.
Figure 41. Metering rolls on auger and drag style discharges
AUGER STYLE DISCHARGE
DRAG STYLE DISCHARGE
METERING
ROLLS
Metering Rolls DC Drive Motor
• The DC motor is located under the front frame of the dryer. Chains run from the DC motor to drive sprockets
on the ends of the metering rolls.
• When in AUTO mode, the motor receives RPM input from the DC drive unit based on requirements to meet
the outlet target moisture content.
• Batch operation and initial automatic mode operation require a manual metering roll speed to be set - this
speed would be active until the Dryer Master obtains enough data to begin automated control.
• See Section 8.1 – Manual Dryer Speed on page 127 (in the Appendix) for recommended dryer speed for all
dryer models / motor RPMs and desired moisture contents.
Attention
CONTINUOUS MIXED-FLOW GRAIN DRYER WITH COMMANDER CONTROL SYSTEM 3. FEATURES
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