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27
Troubleshooting the Sander
Trouble
Probable Cause
Remedy
Sander will not start.
No incoming power.
Check that sander is connected
to power, fuses are not blown or
circuit breakers are not tripped.
Low voltage.
Check voltage at power source.
Loose wiring.
Inspect and remedy any loose
connections on sander.
Starting switch is defective.
Replace switch.
Motor is defective.
Replace motor.
Sanding belt clogs too quickly.
Grit of sanding belt is too fine.
Choose a larger grit of sanding
paper.
Too much material being
sanded off.
Reduce the amount of material
being removed.
Wood is too oily.
Choose different stock.
Too much dirt or glue on the
wood.
Choose cleaner stock.
Wood is too moist.
Allow wood to dry before
sanding.
Sanding belt will not run, or slips
on roller.
Emergency stop button is
engaged
Disengage the stop button.
Limit switches are activated.
Position sanding belt so it is
between the limit switches.
Insufficient air pressure causing
belt to slip on rollers.
Make sure air pressure regulator
is set at 75 to 80 PSI (page 9).
Dust or debris on conveyor
rollers.
Clean conveyor rollers.
Sanding belt keeps tripping limit
switch.
Tracking adjustment/oscillation
is not correct.
Set tracking correctly.
Dust covering photo eye
Check and clean dust from
photo eye
Machine takes too long to stop
after emergency switch is
activated.
Air pressure is too low.
Set air pressure to 75 to 80 PSI.
Brake pads are worn.
Replace brake pads
Grinding noise when brake is
activated.
Brake pads are worn.
Replace brake pads (rotor may
need turning also).
Too much rounding
Too much material is being
removed, too tightly.
Reduce the amount of material
making the contact drum press
being removed.
The front end of stock is thinner
than the rear.
Rear hold down roller is too low
in relation to the contact drum.
Raise rear pressure bar (page
16-17)
The rear end of stock is thinner
than the front.
Front hold down roller is too low
in relation to the contact drum.
Raise front pressure bar(page
16)
Содержание EZ Sander EZ3760M
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