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Maintenance of Augers (Screw Conveyors)
Completion requirements
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The maintenance of screw conveyors prior to grain reception or during normal plant operation should focus on checking, inspection, servicing, repair or replacement of the following components:
| Trough or Tube |
Check for any signs of wear or holes especially on the underside of the tough or tube; grain or dust leakages especially at joints. Repair as appropriate – consider welding as a temporary measure. Tighten bolts and nuts. |
| Trough Cover |
Check that the cover is dust-tight, weather proof and secure. Check and replace missing bolts and nuts. Check that the inspection safety hatch with micro-switch is functioning. |
| Hollow Shaft Screw |
Check and inspect if the shaft screw turns freely, check whether the shaft screw is deflecting between support bearings. Check condition of ribbon/blade and bearings. Check, tighten/replace loose/missing shaft interconnecting pins. |
| Drive Station | Clean and check motor, drive mechanism, i.e. v-belts tension or couplings, gear box for lubricants levels and grease, guards and meters. |
| Feed device | Check that adjustment for feed device is functioning properly. |
| General | Check and ensure that all supports are firm and properly secured. |
