22
Problem
Cause
Solution
Motor
overheats.
1.
Motor overloaded.
2.
Extension cord too long
and of insufficient gauge
(weight).
1.
Reduce load on motor (pressure on
object being sanded).
2.
Utilize an extension cord of appropriate
gauge and length or plug tool directly
into outlet.
Motor stalls
(resulting in
blown fuses
or tripped
circuit).
1.
Short circuit in motor or
loose connections.
2.
Low voltage.
3.
Incorrect fuses or circuit
breakers in power line.
4.
Motor overload.
1.
Inspect connections on motor for loose
or shorted terminals or worn
insulations.
2.
Correct low voltage conditions (for
example: improper extension cord
length and/or gauge).
3.
Install CORRECT fuses or circuit
breakers or plug tool into an
appropriate circuit, matched to an
appropriate fuse or breaker.
4.
Reduce the load on the motor.
Machine
slows when
operating.
1.
Feed rate too great.
2.
Undersized circuit or use
of undersized extension
cord.
1.
Reduce the rate at which the workpiece
is fed into the working area of the tool.
2.
Ensure circuit wires or extension cords
are proper gauge, or eliminate use of
extension cords.
Machine
vibrates
excessively.
1.
Incorrect motor mounting.
2.
Incorrect sanding-belt
tension.
3.
Weak or broken tension
spring.
4.
Idler roller is too loose.
5.
Broken/defective sanding
accessories.
1.
Have motor mountings inspected by
service technician.
2.
Adjust tension adjustment knob.
Follow belt-tensioning/ tracking
instructions in this manual.
3.
Have tension spring replaced by service
technician.
4.
Have service technician adjust idler
roller.
5.
Replace sanding belt/disc.
Workpiece
frequently
gets pulled
out of
operator’s
hands.
1.
Not supporting the
workpiece against the stop.
2.
Attempting to sand
(unaided) a workpiece that
is too small.
1.
Use the platen (backstop) or mitre
gauge to support the workpiece.
2.
Use another hand tool or jig to grasp or
hold the workpiece.
Workpiece
lifts up from
the sanding
disc/table.
Sanding on the ―up‖ side of the
wheel.
Sand on right side of sanding disc (as
operator faces the disc).
