Porter-Cable 3807 Saw User Manual


 
16
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
on the lef t hand side of the blade, as shown at (B) Fig. 47. Note that the st andard 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 rot ate the t able to the 31
5
8 degree
lef t miter position.
NOTE: A positive stop is provided to find this angle quickly. The saw blade is already tilted to the 33
7
8
degree bevel position from the previous cut.
5. Place the crown moulding on the table with the W A L L EDGE 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
left side of the blade, as shown at (D) Fig. 48. Again, the st andard equipment work clamp (E) is being used to
hold the workpiece in position.
6. Fig. 49 illustrates the two out side corner pieces; (A) being the piece cut at (A) Fig. 47, and (C) being the piece
cut at (C) Fig. 48.
7. Fig. 50 illustrates the two inside corner pieces; (B) being the piece cut at (B) Fig. 47, and (D) being the piece
cut at (D) Fig. 48.
MAINTENANCE
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
OPERATION OF AT LEAST 6000 RPM WITH
5
8" ARBOR HOLES.
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. Rot ate arbor cover (C) Fig. 52, and lower guard (D) to the up position, as shown.
Fig. 52
C
D
J
H
E
Fig. 49
Fig. 50
C
A
D
B
Fig. 51
A
C
B