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6.5 TROUBLESHOOTING - PEDAL SLIPPING
SLIPPING WHILE PEDALING
CHAPTER 6: TROUBLESHOOTING
POSSIBLE CAUSES
1)  Belt tension is not enough.
2)  The one way bearing is damaged.  
SOLUTION:
1)  Check the drive belt tension.  The drive belt should have 120 ft. / lbs of tension for a used belt and 150 ft. / lbs of tension for a new belt.  
2)  If the belt tension is correct and the belt is still slipping, the one way bearing is damaged.  Replace the drive assembly (Figure A).  
FIGURE A