
OPERATION
73
Centurion 331020 (11--03)
MACHINE TROUBLESHOOTING
Problem
Cause
Remedy
Poor sweeping performance
Brush bristles worn
Replace brushes
Wrong sweeping brush
Contact TENNANT representative
for recommendations
Main brush or gutter broom not
adjusted properly
Adjust main brush or gutter broom
Main brush or gutter broom failure Contact TENNANT service
personnel
Debris caught in main brush drive
mechanism or conveyor
Free drive mechanism or con-
veyor of debris
Conveyor failure
Contact service personnel
Conveyor skirts worn or damaged Replace conveyor skirts
Hopper full
Empty hopper
Hopper not down completely
Lower hopper completely
Vacuum fan not on
Turn vacuum fan on
Vacuum fan on while sweeping
wet debris
Turn vacuum fan off
Vacuum fan failure
Contact TENNANT service
personnel
Worn drag shoes
Replace drag shoes
Drag shoes not completely down
Check for obstruction then lower
drag shoes completely
Drag shoes not adjusted correctly
Check that hash marks on flanges
are aligned
Drag shoe pivot loose
Retighten pivot joint