Power Fist 8706145 Manuel De L'utilisateur page 18

8706145
TROUBLESHOOTING
Visit a Princess Auto Ltd. location for a solution if the tool does not function
properly or parts are missing. If unable to do so, have a qualified technician
service the tool.
Problem(s)
Grinder won't
start.
Excessive
vibration.
Motor
overheating.
Fuses are being
blown or circuit
breakers
tripped.
18
6 in. Bench Grinder
Possible Cause(s)
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. Improper mounting of
grinder or accessories.
2. Grinding wheel out of
balance.
3. Improper wheel
mounting.
1. Excess pressure
required to grind material.
2. Grinding on side of
wheel.
3. Motor not turning freely
(without power).
1. Overloading due to
binding.
2. Defective plug.
3. Defective cord.
4. Defective switch.
5. Faulty internal wiring.
Suggested Solution(s)
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.
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.
1. Dress or replace wheels.
2. Grind only on face of wheel.
3. Clean around wheels and shaft
and/or replace bearings.
1. Clean around wheels and shaft
and/or replace bearings.
2. Replace plug.
3. Replace cord.
4. Replace switch.
5. Have electrician rewire grinder.
For technical questions call 1-800-665-8685
V4.0