Problem
Cause
Solution
Sweep will not turn or is noisy
This is normal, and the grain
will be swept up on the second
pass of the sweep
No solution needed. Part of
normal operation
Sweep is knocking
Gearbox adjustment is incorrect Check to ensure adjustment
is correct and gearbox is fully
engaged
Belt is moving, motor is running,
but sweep and underfloor auger
are not moving
Set screws and keys on pulleys
are not installed or are too loose
Disengage system and check
set screws and keys to ensure
they are installed and tightened
Sweep engaged, underfloor
auger and motor running, but
sweep flighting and/or upper
gearbox not turning
Underfloor gearbox shift linkage
is out of adjustment
Underfloor auger is not con
-
nected properly on spline
Spline shaft on lower gearbox is
broken
Sheared bolts and/or key on
upper gearbox where sweep
coupler is connected
Upper gearbox shaft is broken
Gearbox is damaged
Adjust shift linkage to fully en-
gage sweep
Ensure underfloor auger is
fully inserted on lower gearbox
spline
Replace broken spline shaft or
the lower gearbox
Replace bolt and key that con-
nect the sweep top the gearbox
Replace gearbox shaft or com-
plete gearbox
Replace gearbox
Sweep engaged and running,
but not advancing
Sweep catching on Tek screws
(backboard or gearbox)
Backboard catching on bin floor
Rubber on wheel wore down
Grain condition wet, hard-
packed, moldy
End wheel contacting bin wall
Ensure Tek screws are fully
screwed down
Ensure backboard clearance is
at 1/4”-1/2” from floor
Replace with new rubber drive
wheel
Sweep will perform poorly if
grain is out of condition
Adjust sweep away from bin
wall
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