Hog Slat Inc. Newton Grove, NC USA August 2021 69 Grow-FlexTM Feed System Problem Possible Cause Corrective Action Motor runs, but auger does not turn. Sheared driver bolt at Control Unit. Replace driver bolt. Broken power unit pinion. Examine pinion on motor shaft; replace BOTH gear head and pinion if pinion is damaged. Auger wears holes in tubes. Auger kinked or poorly brazed. See Auger Brazing section in this manual Elbows wear out. Auger is stretched too tight; horizontal L.H. turn; auger has been running dry. Lengthen auger; Install an Extension Hopper. Excessive auger vibration and noise. System has been operated too often without feed (auger has scored the auger tubes). Replace damaged auger tubes; be sure auger has proper amount of stretch. Tubes inadequately supported. Support the tubes every 5’ (1.5 m) or closer. Horizontal L.H. turn. No outlet drops on or just before an elbow; lengthen the auger; install an Extension Hopper ahead of elbows. Fill system short cycles. Control end feed level switch does not provide large enough feed differential. Use a time clock to program operating cycles. Use Control end feed level switch w/lockout and time clock. Extension Hopper packs full of feed. Both switches on Extension Hopper are out of adjustment. Adjust switches as specified in maintenance section in this manual. Second portion of extended length system will not start. Lower switch on Extension Hopper out of adjustment. Adjust switch as specified in the maintenance section of this manual. Feed level control at end of line out of adjustment. Examine and make necessary adjustments; see feed level switch adjustment instruction. Second portion of extended length system short cycles. Too much Restrictor in the Boot. Shorten Restrictor. Too much feed is still dispensing from drops ahead of Extension Hopper. Last outlet drop before Extension Hopper must have full feed drop out. NOTE: All feeders ahead of hopper must complete filling before feed reaches hopper.
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