background image

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 1: ...420SA INSTRUCTIVO DE OPERACI N CENTROS DE SERVICIO Y P LIZA DE GARANT A ADVERTENCIA L ASE ESTE INSTRUCTIVO ANTES DE USAR EL PRODUCTO ON OFF ON OFF 4 IN x 8 IN 102 MM x 203 MM BELT DISC SANDER PONCEUSE...

Page 2: ...k or re replace power cord immediately if it is worn cut or damaged in any way CALIFORNIA PROPOSITION 65 Some dust created by power sanding sawing grinding drilling and other construction activities c...

Page 3: ...following precautions when sanding any paint PERSONAL SAFETY No children or pregnant women should enter the work area where the paint sanding is being done until all clean up is completed A dust mask...

Page 4: ...oggles not glasses that comply with ANSI Safety standard Z87 1 Everyday eyeglasses have only impact resistant lenses They ARE NOT safety glasses WARNING NOTE Glasses or goggles not in compliance with...

Page 5: ...injury 11 ALWAYS maintain a minimum clearance of 1 16 inch 1 6 mm or less between the table or backstop and the sanding belt or disc 12 DO NOT sand pieces of material that are too small to be safely...

Page 6: ...e motor to the power line make sure the switch is in the off position and the electric current is rated the same as the current stamped on the motor nameplate Running at a lower voltage will damage th...

Page 7: ...g or damaged part is correctly replaced TOOLS NEEDED FOR ASSEMBLY Supplied Not Supplied CARTON CONTENTS UNPACKING AND CHECKING CONTENTS Carefully unpack the belt disc sander and all its parts and comp...

Page 8: ...8 UNPACKING YOUR BELT DISC SANDER ON OFF A D E B F G H C...

Page 9: ...lt worktable backstop 8 in diameter sanding disc Disc worktable On Off switch and switch key Dust exhaust Mounting hole 4 in width 36 in length sanding belt Belt worktable Worktable scale Worktable sc...

Page 10: ...avoid trapping the workpiece or ngers between the worktable 1 and sanding disc 2 the worktable edge should be positioned a maximum of 1 16 in 1 6 mm from sanding disc plate as shown in Fig B Fig B CAU...

Page 11: ...wo before locking to give a tight t Do not overtighten CAUTION 1 3 4 2 7 5 3 6 MITER GAUGE FIG G A miter gauge 1 is supplied with your sander and can be used with both sanding tables The miter gauge b...

Page 12: ...crew 5 and secure the scale pointer 6 at 0 Fig J To avoid trapping the workpiece or ngers between the worktable and sanding belt the worktable edge should be positioned a maximum of 1 16 in 1 6 mm fro...

Page 13: ...ends to slide off its track and to which side front or back of the sander 3 If the sanding belt does not slide to either side it is tracking properly 4 Viewed from the switch end if the sanding belt r...

Page 14: ...ender the sander inoperable When the operator is ready to use the machine again the black safety portion of the switch may be reinstalled simply by inserting it into the opening in the switch and push...

Page 15: ...1 Freehand sanding of outside curves should be done on the sanding disc 1 Keep ngers a minimum of 1 in 25 4 mm from the sanding disc Fig Q OPERATING DUST EXHAUST AND DUST BAG FIG R Sanding operations...

Page 16: ...ct the plug from the power source before removing and installing sanding belt Use only sanding belts that measures 4 in 102 mm in width 36 in 914 mm in length 1 Remove the belt worktable See Fig D on...

Page 17: ...packed at the factory and require no further lubrication Use a paste wax to ensure smooth operation on all moving table parts Do not use any lubrication on the belt platen as this might end up on the...

Page 18: ...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 crea...

Page 19: ...accessories should be used with this product A complete line of accessories is available from your Porter Cable Factory Service Center or a Porter Cable Authorized Warranty Service Center Please visit...

Page 20: ...44S PHILIPS SCREW WHITE M5 8 1 X436 WIRE BOX COVER 1 X4C2 SCALE LABEL 1 X44R EXHAUST COVER 1 X435 PHILIPS SCREW ST4 2 28 1 X4C1 SPRING WASHER D40 1 X44Q DUST EXHAUST 1 X434 RELAY 1 X4C0 STANDARD SPRIN...

Page 21: ...X436 X433 X45D X432 X427 X430 X42Z X42Y X42X X42W X440 X44B X440 X4BW X44B X4CA X42T X42S X4CA X42T X42M X42L X4BQ X42K X44Y X42J X42H X42G X42F X42E X4BR X42B X42C X421 X429 X428 X45D X42J X44V X437...

Page 22: ...22 NOTES...

Page 23: ...23 NOTES...

Page 24: ...trademarks for one or more Porter Cable and Delta products 2 BY 4 890TM Air America AIRBOSSTM Auto Set B O S S Bammer Biesemeyer Builders Saw Charge Air Charge Air Pro CONTRACTOR SUPERDUTY Contractor...

Reviews: