Functional Description, Assembly, Foreword

RECOMMENDED EXTENSION CORD SIZES FOR USE WITH PORTABLE ELECTRIC TOOLS

Length of Cord in Feet

	115V	25 Ft.	50 Ft.	100 Ft.	150 Ft.	200 Ft.	250 Ft.	300 Ft.	400 Ft.	500 Ft.
	230V	50 Ft.	100 Ft.	200 Ft.	300 Ft.	400 Ft.	500 Ft.	600 Ft.	800 Ft.	1000 Ft.

	0-2	18	18	18	16	16	14	14	12	12
Rating	2-3	18	18	16	14	14	12	12	10	10

	3-4	18	18	16	14	12	12	10	10	8

	4-5	18	18	14	12	12	10	10	8	8
Ampere	5-6	18	16	14	12	10	10	8	8	6

	6-8	18	16	12	10	10	8	6	6	6

	8-10	18	14	12	10	8	8	6	6	4
Nameplate	8-10	18	14	12	10	8	8	6	6	4
	10-12	16	14	10	8	8	6	6	4	4

	12-14	16	12	10	8	6	6	6	4	2

	14-16	16	12	10	8	6	6	4	4	2
	16-18	14	12	8	8	6	4	4	2	2

	18-20	14	12	8	6	6	4	4	2	2

FUNCTIONAL DESCRIPTION

FOREWORD

Your Porter-Cable circular saw is designed for use with 7-1/4" diameter blades that have a 5/8" diameter bore. Blades must be rated for 6000 RPM operation (or higher).

A mounting flange kit for diamond-hole blades is available. This kit adapts the saw for use with 7-1/4" diameter blades that have a diamond-shaped mounting hole.

BLADE BRAKE (Model 424MAG only)

Model 424MAG is equipped with an electric blade brake that energizes automatically when the trigger switch is released.

ASSEMBLY

REMOVING THE BLADE

DISCONNECT TOOL FROM POWER SOURCE.

Avoid contact with the blade teeth to prevent personal injury.

This tool is equipped with a Quick Change™ blade clamp and is designed to be tightened hand-tight only. The use of external tools may cause damage to the blade clamp.

DO NOT USE the Quick Change™ blade clamp with any product other than specified Porter-Cable tools 423MAG and 424MAG.

1.Push in the arbor lock button (A) Fig. 1 and rotate the blade by hand until the lock engages the blade arbor.

Fig. 1