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2.4. Grain Dryer Safety
• Do not overheat grain or operate the dryer temperature too high. Keep the maximum
plenum temperature not more than the maximum set point temperature.
• Be cautious of spontaneous combustion when working with oil seeds.
• Grain dust is a fire hazard. Keep all areas (including areas under the perforated floors) free
from dust and fines.
• Clean out the dryer after using to remove grain dust, husks, and other materials.
• Screen grain before it goes into a bin to help prevent dust and trash buildup. Using a grain
spreader will help distribute dust/fines.
• Ventilate, purge all contaminates, and allow burner, and drying areas to cool inside the
heater, in the heater area and the dryer area before any persons enter these areas.
• Do not remove covers, touch, or service internal components during operation.
• Do not install or combine with products from other manufacturers. The design and safety
features may not be compatible.
• Do not store or use gasoline or other flammable vapors and liquids in the vicinity of dryer.
• Do not use the dryer where a high concentration of grain dust or flammable liquids or
vapors exist, such as milled grain dust.
• Use the dryer only with the gas types intended, connecting alternate fuel sources to the
dryer can result in fires.
• Shut off and lock out or disconnect power and close valve at gas source before inspecting or
servicing the heater, or when not in use.
• Keep away from fan impeller/blade; high suction can pull a person toward the inlet. Contact
with an unguarded impeller/blade will cause severe injury.
• Keep the fan inlet screen in place at all times.
• Remove foreign material from the fan inlet before operating.
• Do not operate the fan if there is excessive vibration or noise.
• When the power is locked out, fans can still be dangerous because of potential
“windmilling.” Always block the impeller/blade before working on any moving parts.
In case of a dryer fire:
• Turn off gas at the heater and supply tank.
• Shut off and lock electrical power.
• Seal the aeration fan inlet and any other opening to smother
the fire.
• Evacuate all personnel from the area.
• Call the fire department.
CONTINUOUS MIXED-FLOW GRAIN DRYER WITH COMMANDER CONTROL SYSTEM 2. SAFETY
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