Functional description assembly, Foreword, Blade brake – Porter-Cable 447 User Manual
Page 7: Removing the blade, Diameter blades that have a
7
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
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
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
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
Nameplate Ampere Rating
RECOMMENDED EXTENSION CORD SIZES FOR USE WITH PORTABLE ELECTRIC TOOLS
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 447 only)
Model 447 is equipped with an electric blade brake that energizes
automatically whenever the trigger switch is released.
REMOVING THE BLADE
1.
DISCONNECT TOOL FROM POWER SOURCE.
2.
Push in blade lock (A) Fig. 1,
and rotate blade by hand until
lock engages blade arbor.
AVOID
CONTACT WITH BLADE
TEETH TO PREVENT
PERSONAL INJURY.
3.
While holding blade lock
engaged, use wrench provided
(B) Fig. 1, and loosen blade
retaining bolt by rotating
counterclockwise.
FUNCTIONAL DESCRIPTION
ASSEMBLY
Fig. 1
B
A