18
TROUBLESHOOTING GUIDE
To avoid injury from an accidental start, turn the switch OFF and always remove the plug from the power source before
making any adjustments.
REPLACEMENT PARTS
Use only identical replacement parts. For a parts list or to order parts, visit our service website at www.portercable.
com. You can also order parts from your nearest Porter-Cable Factory Service Center or Porter-Cable Authorized
Warranty Service Center. Or, you can call our Customer Care Center at (888) 609-9779.
SERVICE AND REPAIRS
All quality tools will eventually require servicing and/or replacement of parts. For information about Porter-Cable, its
factory service centers or authorized warranty service centers, visit our website at www.portercable.com or call our
Customer Care Center at (888) 609-9779. All repairs made by our service centers are fully guaranteed against
defective material and workmanship. We cannot guarantee repairs made or attempted by others.
You can also write to us for information at Power Tool Specialists, 684 Huey Road, Rock Hill, SC 29730
(888) 609-9779 - Attention: Product Service. Be sure to include all of the information shown on the nameplate of your
tool (model number, type, serial number, etc.).
WARNING
!
PROBLEM
PROBLEM CAUSE
SUGGESTED CORRECTIVE ACTION
Motor will not run.
1. Defective or broken ON/OFF switch.
2. Defective or damaged switch cord.
3. Defective or damaged switch relay.
4. Burned out motor.
5. Blown house fuse.
1-3 Replace all broken or defective parts before using
sander.
4. Contact Porter-Cable Service Center or Authorized
Service Station for repair. Any attempt to repair this
motor may create a hazard unless repair is done by a
qualified technician.
5. Replace house fuse. Turn OFF other appliances and
power tools on the same circuit.
Machine slows down while
sanding.
1. Operator applying too much
pressure to workpiece.
2. Dirt on wheels.
3. Worn or stretched belt.
1. Use less pressure in applying workpiece to sanding
surface.
2. Clean wheels.
3. Replace pulley belt.
Motor does not develop full
speed.
1. Power line overloaded with lights,
other tools, etc.
2. Long/wrong extension cord being
used
3. Incorrect fuses or circuit breakers in
power line
1. Reduce the load on power line
2. Replace with correct extension cord (see page 6)
3. Install correct fuses or circuit breaker
Sanding belt runs off pulleys.
1. Not tracking properly.
1. Adjust tracking. See “TO PROPERLY TRACK THE
SANDING BELT” page 13.
Wood burns while sanding.
1. Sanding disc or belt glazed with
sap.
2. Excessive pressure being applied to
workpiece.
1. Replace belt or disc.
2. Reduce pressure applied to workpiece.
Motor overheats.
1. Motor overload.
1. Reduce motor load. Allow to cool off before restarting.
Dust Collection not working.
1. Collection bag is full.
2. Dust exhaust is blocked.
1. Empty collection bag.
2. Turn sander off and unplug. Remove bag and use a
vacuum to remove sawdust blockage.
For assistance with your product, visit our website at www.portercable.com for a list of service centers, or call the
Porter-Cable Customer Care Center at (888) 609-9779.
Summary of Contents for PCB420SA
Page 8: ...8 UNPACKING YOUR BELT DISC SANDER ON OFF A D E B F G H C...
Page 22: ...22 NOTES...
Page 23: ...23 NOTES...