Porter-Cable PCB420SA, Instruction Manual

12

To avoid trapping the workpiece or fingers between 
the worktable and sanding disc, the worktable edge 
should be positioned a maximum of 1/16 in. 
(1.6 mm) from sanding disc plate.

ADJUSTING DISC TABLE ANGLE (FIG. I)

1.  The disc table (2) can be tilted from 0° to 45° by 

loosening  the table lock handles (4) at the both sides 
of disc table.

2.  Tilt the disc table to the desired angle. 
3.  Tighten table lock handles.

ADJUSTING BELT TABLE SQUARE WITH SANDING 
BELT (FIG. J)

1.  Using a combination square (1), place one side of 

the square on the belt table assembly (2) with the 
other side against the sanding belt (3), and check to 
see if the belt table is 90° to the belt.

2.  If the belt table surface is not 90° to the belt, loosen 

the table lock knob (4), adjust table square with belt 
and tighten the table lock knob (4).

3.  Loosen the screw (5) and secure the scale pointer (6) 

at 0°.

     Fig. J

To avoid trapping the workpiece or fingers between 
the worktable and sanding belt, the worktable 
edge should be positioned a maximum of 1/16 in.          
(1.6 mm) from sanding belt.

CAUTION

!

1

2

3

4

6

5

     Fig. H

To avoid injury, always keep the plug disconnected 
from the power source and the switch turned OFF 
until the sander is completely assembled and 
adjusted properly.

ADJUSTING DISC TABLE SQUARE WITH SANDING 
DISC (FIG. I)

1.  Using a combination square (1), place one side of 

the square on the disc table assembly (2) with the 
other side against the sanding disc (3), and check to 
see if the disc table is 90° to the disc.

2.  If the disc table surface is not 90° to the disc, loosen 

the table lock handle (4), adjust table square with 
disc and tighten the table lock handle (4).

3.  Loosen the screw (5) and secure the scale pointer (6) 

at 0°.

Fig. I

ON

OFF

Recommended Hardware 

(not supplied)

1.   Mounting bolts

2.   Lock washer

3.   Hex nut

4.   Sander base

1

4

3

2

workbench

WARNING

!

1

2

3

4

6

5

CAUTION

!