RIKON Power Tools 50-112 - Manual (Page 13)

13
Troubleshooting
Maintenance
3. Place drive belt around drive pulley (71), then drive pulley (78).
4. Tighten the three screws slightly.
5. Adjust tension of drive belt by placing a standard screwdriver in the adjusting hole by
pushing up on the screwdriver to apply tension to the drive belt.
6. Tighten the three screws again.
7. Squeeze the drive belt between two fingers in the centre of the belt. If the belt has been
correctly tensioned there should be about 6mm (1/4”) of “give”.
NOTE: Too much tension on the drive belt can load-down motor and possibly cause dam
age. If the drive belt is too loose, it may fail prematurely.
8. Replace belt cover (67) .
SYMPTOM PROBABLE CAUSE REMEDY
Sander does not operate
Motor slows when sanding
Wood burns while sanding
Sander makes excessive
noise
Not plugged in to power
outlet.
Power switch defective.
Motor or wiring problem.
Timing belt too tight
Applying too much pres
sure on workpiece.
Sanding disc or belt is
loaded with debris.
Timing belt too tight.
Bearings need oil.
Plug into power outlet.
Replace switch.
Have qualified electrician carry out
repair.
Decrease tension.
Apply less pressure to workpiece when
sanding.
Clean or replace disc or belt.
Decrease tension
Oil bearings.