Porter-Cable 3807 User Manual download pdf (Page 16)

NOTE: The piece of crown moulding used for the out side 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 out side corners, simply rot ate the t able to the 31

… 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

… 8

degree bevel position from the previous cut.

5. Place the crown moulding on the t able 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 out side 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

lef t 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

… 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

Fig. 49

Fig. 50

Fig. 51

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Porter-Cable 3807 User Manual Page 16