8712135
8 in. BENCH GRINDER WITH PCB LCD READOUT
V1.0
22
For technical questions call 1-800-665-8685
PROBLEM(S) POSSIBLE CAUSE(S) SUGGESTED SOLUTION(S)
Grinder
won’t start.
1. Blown line fuse or
tripped circuit
breaker.
2. Low line voltage.
3. Material wedged
between wheel
and guard.
4. Defective switch.
5. Defective, blown
capacitor.
6. Defective circuit
board.
1. Replace with fuse of
proper size, if fuse is
blown. Reset tripped
breaker.
2. Check power supply for
voltage and correct as
needed.
3. Turn grinder off and
remove material.
4. Replace switch.
5. Replace capacitor.
6. Replace circuit board.
Excessive
vibration.
1. Improper
mounting of
grinder or
accessories.
2. Grinding wheel
out of balance.
3. Improper wheel
mounting.
1. Remount bench grinder.
2. Dress or replace wheels.
3. Remount wheels, but
rotate one wheel 90°
with respect to its
previous position. Other
wheel should remain in its
original position.
Motor
overheating.
1. Excess pressure
required to grind
material.
2. Grinding on side
of wheel.
3. Motor not turning
freely (without
power).
1. Dress or replace wheels.
2. Grind only on face of
wheel.
3. Clean around wheels and
shaft and/or replace
bearings.
Fuses are
being blown
or circuit
breakers
tripped.
1. Overloading due
to binding.
2. Defective plug.
3. Defective cord.
4 Defective switch.
5. Faulty internal
wiring.
1. Clean around wheels and
shaft and/or replace
bearings.
2. Replace plug.
3. Replace cord.
4. Replace switch.
5. Have electrician rewire
grinder.
