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 in 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 run dry.
Lengthen auger; Install an
Extension Hopper; wire Boot
Switch into system.
Excessive auger vibration and
noise.
System has been operated too
often without feed (auger has
scored the auger tubes).
Wire a Boot Switch to stop the
system when the feed bin is
empty; 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 Boot packs full of feed. Too much Restrictor in the
Boot.
Shorten Restrictor.
Second portion of extended length
system short cycles.
Too much Restrictor in the
Boot.
Shorten Restrictor.
Too much feed is still dispens-
ing from drops ahead of Exten-
sion Boot.
Last outlet drop before Exten-
sion Boot must have full feed
drop out. NOTE: All feeders
ahead of Extension Boot must
complete filling before feed
reaches hopper.
Second portion of extended length
system short cycles.
Too much Restrictor in the
Boot.
Shorten Restrictor.
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