Table of Contents
Advertisement
SYMPTOM
POSSIBLE CAUSE(S)
Sanding Grains
1. Sanding belt has been stored in
easily rub off belt.
an incorrect environment.
2. Sanding belt has been
damaged or folded.
Deep sanding
1. Sanding belt grit is too coarse
grooves or scars
for the desired finish.
in workpiece.
2. Workpiece sanded across the grain.
3. Too much sanding force on the
workpiece.
4. Workpiece held still against the belt
for too long.
Sanding surface
1. Too much pressure against belt/
clogs quickly.
disc.
2. Sanding softwood.
Burns on
1. Using a sanding grit that is too fine.
workpiece.
2. Using too much pressure.
3. Work held still for too long.
Motor will not
1. Short circuit in line, cord or plug.
start –
fuses or circuit
2. Short circuit in motor or loose
breakers tripping
connections.
or blowing.
3. Incorrect fuses or circuit breakers in
power line.
Motor overheats.
1. Motor overloaded.
2. Extension cord too long and of
insufficient gauge (weight).
Motor stalls
1. Short circuit in motor or loose
(resulting in blown
connections.
fuses or tripped
2. Low voltage.
circuit).
3. Incorrect fuses or circuit breakers in
power line.
4. Motor overload.
Machine slows
1. Feed rate too great.
when
operating.
2. Undersized circuit or use of
undersized extension cord.
Machine vibrates
1. Rubber feet worn, mounting
excessively.
hardware loose
2. Workbench or table is not level
3. Worn bearings
Workpiece
1. Not supporting the workpiece
frequently
against the stop.
gets pulled out of
2. Attempting to sand (unaided) a
operator's hands.
workpiece that is too small.
TROUBLESHOOTING
CORRECTIVE ACTION
1. Ensure sanding accessories are stored away
2. Store sanding accessories flat – not bent or
1. Use a finer-grit sanding accessory.
2. Sand with the grain of the wood.
3. Reduce pressure on workpiece while sanding.
4. Keep workpiece moving while sanding on the
1. Reduce pressure on workpiece while sanding.
2. Use different stock, different sanding
1. Use a coarser-grit sanding accessory.
2. Reduce pressure on workpiece while sanding.
3. Do not keep workpiece in one place for too
1. Inspect cord or plug for damaged insulation
2. Inspect all connections on motor for loose or
3. Install correct fuses or circuit breakers or
1. Reduce load on motor (pressure on object
2. Utilize an extension cord of appropriate gauge
1. Inspect connections on motor for loose or
2. Correct low voltage conditions (for example:
3. Install CORRECT fuses or circuit breakers or
4. Reduce the load on the motor.
1. Reduce the rate at which the workpiece is fed
2. Ensure circuit wires or extension cords are
1. Replace the rubber feet, tighten mounting
2. Shim or adjust as need
3. Have bearings replaced by service
1. Use the platen (backstop) to support the
2. Use another hand tool or jig to grasp or hold
from extremely hot or dry temperatures.
folded.
sanding accessory.
accessories, or accept that this will happen
and plan on cleaning or replacing discs/belts
frequently.
long.
and shorted wires.
shorted terminals and/or worn insulation.
switch tool to an appropriately size circuit.
being sanded).
and length or plug tool directly into outlet.
shorted terminals or worn insulations.
improper extension cord length and/or gauge).
plug tool into an appropriate circuit, matched to
an appropriate fuse or breaker.
into the working area of the tool.
proper gauge, or eliminate use of extension
cords.
hardware
technician.
workpiece.
the workpiece.
7
7
Advertisement
Table of Contents
