Maintenance; Changing The Blade - Porter-Cable 3807 Instruction Manual

C
Fig. 49
NOTE: The piece of crown moulding used for the outside corner will always be on the right hand side of
the blade, as shown at (A) Fig. 47. The piece of crown moulding used for the inside corner will always be
o n t h e l e ft hand side of the blade, as shown at (B) Fig. 47. Note that the standard equipment work clamp
(E) is being used to hold the workpiece in position.
4 . To make the matching halves of the inside and outside corners, simply rota t e t h e table to the 31
l e ft m i t e r p o s i t i o n .
NOTE: A positive stop is provided to find this angle quickly. The saw blade is already tilted to the 33
degree bevel position from the previous cut.
5 . Place the crown moulding on the table with the W ALL E D G E of the crown moulding against the fence and
make the cut. Again, the piece of crown moulding used for the outside corner will always be on the right side of
the blade, as shown at (C) Fig. 48. The piece of crown moulding used for the inside corner will always be on the
l e ft side of the blade, as shown at (D) Fig. 48. Again, the standard equipment work clamp (E) is being used to
hold the workpiece in position.
6 . F i g . 4 9 i l l u s t r a t e s t h e t w o o u tside corner pieces; (A) being the piece cut at (A) Fig. 47, and (C) being the piece
c u t a t ( C ) F i g . 4 8 .
7 . Fig. 50 illustrates the two inside corner pieces; (B) being the piece cut at (B) Fig. 47, and (D) being the piece
c u t a t ( D ) F i g . 4 8 .

CHANGING THE BLADE

W ARNING: USE ONLY CROSS-CUTTING SAW BLADES. WHEN USING CARBIDE TIPPED BLADES
BE SURE THE HOOK ANGLE IS 5 DEGREES OR LESS. DO NOT USE BLADES WITH DEEP
GULLETS AS THEY CAN DEFLECT AND CONTACT GUARD. USE ONLY BLADES RATED FOR
O P E R ATION OF AT LEAST 6000 RPM WITH
1 . DISCONNECT THE SAW FROM THE POWER SOURCE.
2 . Using the special wrench (A) Fig. 51, supplied, loosen screw (B) to free arbor cover (C).
3 . Rotate arbor cover (C) Fig. 52, and lower guard (D) to the up position, as shown.
C
Fig. 51
A

MAINTENANCE

5
" ARBOR HOLES.
...
8
A
B
16
B
Fig. 50
C
Fig. 52
D
5
degree
...
8
7
...
8
D
J
H
E