Page 15 of 20
Maintain the benchtop grinder by adopting a program of conscientious repair and maintenance in
accordance with the following recommended procedures. It is recommended that the general
condition of any tool be examined before it is used. Keep your tool in good repair. Keep handles dry,
clean, and free from oil and grease. The following chart is based on a normal operation schedule.
Maintenance Interval
Maintenance Point
Daily before operating
1.
Examine the general condition of the bench grinder.
2.
Check the power cord.
3.
Check the wheels for cracks.
4.
Check moving parts for alignment and binding issues.
5.
Adjust periodically to insure that the distance between the
stone/wire wheel and the bottom edge of the spark
arrestor is 1/16 in. clearance.
As needed
1.
Dress the grinding wheels.
2.
Replace grinding wheels.
3.
Clean and vacuum dust from the motor housing and other
grinder parts.
Troubleshooting
Use the table below to troubleshoot problems before contacting service personnel or your local
dealer. If the problem continues after troubleshooting, call your local dealer for assistance.
Failure
Possible Cause
Corrective Action
Motor will not
start.
Low voltage.
Check power source for proper
voltage.
Open circuit in motor or loose
connections.
Have a qualified technician repair unit.
Blown fuse or breaker.
Have a qualified technician repair unit.
Motor will not
start because
fuses or circuit
breakers are
tripping or
blowing.
Short circuit in line, cord, or plug.
Inspect cord or plug for damaged
insulation and shorted wires.
Short circuit in motor or loose
connections.
Inspect all connections on motor for
loose or shorted terminals and/or worn
insulation.
Incorrect fuses or circuit breakers in
power line.
Have a qualified technician repair unit.
Motor overheats.
Motor overloaded.
Reduce load on motor.
Extension cord is too long and of
insufficient gauge (weight).
Use an extension cord of appropriate
gauge and length or plug tool directly
into outlet.
Motor stalls
(resulting in
blown fuses or
tripped circuit).
Short circuit in motor or loose
connections.
Have a qualified technician repair unit.
Low voltage.
Correct low voltage conditions (for
example: improper extension cord
length and/or gauge).
Incorrect fuses or circuit breakers in
power line.
Have a qualified technician repair unit.
Motor overload.
Reduce the load on the motor.
Summary of Contents for 61458
Page 17: ...Page 17 of 20 Parts Diagram ...
