Porter-Cable PCB370SS User Manual

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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 29704, 
(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
!
SYMPTOM
POSSIBLE CAUSES
CORRECTIVE ACTION
Breaking blades
1.  Wrong tension.
2.  Overworking blades.
3.  Wrong blade application.
4.  Twisting blade in wood.
1.  Adjust blade tension. See BLADE REMOVAL AND 
INSTALLATION section.
2.  Reduce feed rate. See BLADE REMOVAL AND 
INSTALLATION section.
3.  Use narrow blade. See BLADE SELECTION section.
4.  Avoid side pressure on blade. See BLADE REMOVAL 
AND INSTALLATION section.
Motor will not run.
1.  Defective cord or plug.
2.  Defective motor.
3.  Blown overload breaker.
1.  Replace defective parts before using saw again. 
See ELECTRICAL REQUIREMENTS AND SAFETY 
section.
2.  Call Service Center. Any attempt to repair this motor 
may create a HAZARD unless the repair is done by a 
qualified technician.
3.  Push the on/off switch to the OFF (O) position. Let the 
motor cool. See OPERATION-OVERLOAD BREAKER 
section. 
Excessive vibration.
NOTE: There will always 
be some vibration 
present when the saw 
is running because of 
motor operation.
1.  Improper mounting of saw.
2.  Unsuitable mounting 
surface.
3.  Loose table or table resting 
against motor.
4.  Loose motor mounting.
1.  See mounting instructions in this manual for proper 
mounting technique.
2.  The heavier your workbench is, the less vibration will 
occur. A plywood workbench will not be as good a 
work surface as the same size solid lumber. 
3.  Tighten the table lock knob.
4.  Tighten motor mounting screw.
Blade run out.
Blade not in line with 
arm motion.
1.  Blade holders not aligned.
1.  Loosen blade holder lock screw holding blade holder 
to arms. Adjust position of blade holders. Retighten 
blade holder lock screw. See BLADE REMOVAL AND 
INSTALLATION section.
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.