Porter-Cable PCB420SA, Instruction Manual

10

ASSEMBLY AND ADJUSTMENTS

WARNING

!

Estimated Assembly Time: 10 - 20 minutes.

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.
MOUNTING WORKTABLE ON DISC (FIG. A, B )

The larger worktable is used with the sanding disc. It 
should be used to support workpieces in all sanding 
operations except inside curve applications.
1.  

Bag "E" - 

Locate worktable handles (1) and washers 

(2) in parts bag.

2.  Place the worktable (3) onto the sander frame, 

aligning the semi-circle slot (4) with the threaded 

     hole (5). 
3.  Place a washer (2) on threaded shaft of each 

worktable handle (1 ), insert through semi-circular 
slot (4), and tighten into threaded hole (5). Repeat on 
other side of table.

4.  Adjust worktable to level or any angle between 0° 

and 45° for sanding.

NOTE:

 Always check to make sure the handles are tight 

before beginning any sanding operation.

Fig. A

To avoid trapping the workpiece or fingers 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

CAUTION

!

MOUNTING WORKTABLE ON BELT (FIG. C, D )

The small worktable is used with the sanding belt. It 
should be used to support workpieces in all sanding 
operations except inside curve applications.
1.  Loosen the inner hex screw (1) using the 5 mm hex 

key, and raise the belt bed (2) in the vertical position. 
Tighten the inner hex  screw (1). 

Fig. C

2.  

Bag "E" - 

Locate worktable knob (3) and washer (4) 

in parts bag.

3.  Place the worktable (5) onto the sander frame, 

aligning the semi-circle slot (6) with the threaded 

     hole (7). 
4.  Place washer (4) on threaded shaft of worktable 

knob (3 ), insert through semi-circular slot (6), and 
tighten into threaded hole (7).

5.  Adjust worktable to level or any angle between 0° 

and 45° for sanding.

Fig. D

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.

7

3 4

6

5

ON

OFF

2

1

4

5

3

2 1

2

1

1

2

1

1/16 in. (1.6 mm)

CAUTION

!