WEN 4286 8 inch Slow Speed Bench Grinder - Manual (Page 13)

13
TROUBLESHOOTING
Symptom Possible Cause Corrective Action
Grinder won’t start Blown line fuse or tripped circuit breaker If fuse is blown, replace with fuse of
proper size. If breaker tripped, reset it
Low line voltage Check power supply for voltage and
correct as needed
Material wedged between wheel and guard Turn grinder off and remove material
Defective switch
Replace switch
Defective, blown capacitor Replace capacitor
Excessive vibration Improper mounting of grinder or
accessories Remount
Grinding wheel out of balance Dress wheels or replace wheels
Improper wheel mounting Remount wheels, but rotate one wheel
90º with respect to its previous
position. Other wheel should remain in
its original position
Motor overheating Excess pressure required to grind material Dress wheel or replace wheel with one
of proper grit
Grinding on side of wheel Grind only on face of wheel
Motor not turning freely (without power) Clean around wheels and shaft and/or
replace bearings
Fuses are being
blown or circuit
breakers are being
tripped Overloading due to binding Clean around wheels and shaft and/or
replace bearings
Defective plug Replace plug
Defective cord Replace cord
Defective switch Replace switch