6 in. Bench Grinder
10
For technical questions call 1-800-665-8685
V 3.03
8300139
LUBRICATION
Inspect and lubricate the tool when required.
TROUBLESHOOTING
Contact Princess Auto Ltd. 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)
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 wheels 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. Contact Princess Auto Ltd.
for solution.
Grinder will not
operate in variable
speed mode.
1. Defective variable
speed switch.
2. Defective sensor.
3. Detective circuit board.
1. Replace switch.
2. Replace sensor.
3. Replace circuit board.