17
Symptom Possible
Cause
Correction
*
Motor slows.
Motor overloaded.
Reduce load on motor; do not press so
hard when grinding.
Low line voltage.
Check power line for proper voltage.
Loose connections.
Inspect connections.
Frequent fuse or circuit
breaker failure.
Motor overloaded.
Reduce load on motor; do not press so
hard when grinding.
Electrical circuit overload; too many
machines running on same circuit.
Turn off other machines and try again.
Incorrect fuse or circuit breaker.
Have electrician upgrade service to outlet.
Excessive vibration.
Grinding wheel out of balance;
wobbling or not rotating concentric to
arbor.
Dress grinding wheel or replace it. Adjust
wobble by rotating flange as needed.
Improper mounting.
Secure grinder firmly to bench or stand.
*
WARNING:
Some corrections may require a qualified electrician.