Cement silos and screw conveyors · Screw conveyor

Screw runs, low output

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Symptom

Screw runs, low output

Likely cause

Worn flights, build-up at inlet or outlet, slipping coupling, or blocked weigh hopper vent.

Check

Flights through the inspection hatch; spouts; scale vent.

Fix

Clean; replace the screw section; repair the coupling.

Manual · Book 2 · § 13.6 · 9.4

Parts you may need

ATP-CS-14Screw section (tube and flights)+ATP-WG-05Scale vent filter+

Request the parts

⚠ Every look inside, turn by hand or open step means full lockout first. Never enter a silo or a bin with material in it.

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