Porter-Cable 3807 instruction

ADJUSTING SLIDING FIT BETWEEN
TRUNNION AND BEVEL BRACKET	D
After a long period of time it may become necessary to	D
After a long period of time it may become necessary to
adjust the sliding fit between the trunnion (A) Fig. 27,			B
and the bevel bracket (B) by tightening adjusting nut			B
and the bevel bracket (B) by tightening adjusting nut
(C). NOTE: This adjustment must be made with the
bevel lock handle (D) loose. Correct adjustment is when
a good snug sliding fit is obtained between these two
parts. This adjustment should not be too tight that it		C
restricts the sliding movement or too loose that it affects		C
restricts the sliding movement or too loose that it affects
the accuracy of the saw cut.		A
		A

ADJUSTING 90 AND 45 DEGREE		Fig. 27
BEVEL POSITIVE STO P S
BEVEL POSITIVE STO P S
1. DISCONNECT THE SAW FROM THE POWER
SOURCE.
2. Loosen bevel lock handle and move	the	A
cuttinghead all the way to the right. Then tighten bevel		A
cuttinghead all the way to the right. Then tighten bevel
lock handle.

3.Using a square (A) Fig. 28, place one end of the square on the table and the other end against the blade, as shown. Check to see if the blade is at 90 degrees to thetable.

4.If an adjustment is necessary, loosen bevel lock handle. Then loosen locknut (B) Fig. 29, and turn

adjusting screw (C) until head of screw (C) contacts			Fig. 28
inside of casting (D) when blade is 90 degrees to the
table. Then tighten locknut (B).
5.	When you are certain blade is 90 degrees to table,	G
loosen screw (J) Fig. 30, and adjust pointer (H) to line		G
loosen screw (J) Fig. 30, and adjust pointer (H) to line				C
up with the 0 degree mark on bevel scale (K).				C
6.	Loosen bevel lock handle and move cuttinghead all				B
the way to the left bevel position and tighten bevel lock					B
the way to the left bevel position and tighten bevel lock
handle.
7.	Using a square (A) Fig. 31, check to see if the blade	E	D
7.	Using a square (A) Fig. 31, check to see if the blade	E	D
is at 45 degrees to the table, as shown.		F
		F

8.If an adjustment is necessary, loosen bevel lock handle. Then loosen locknut (E) Fig. 29, and turn adjusting screw (F) until head of screw (F) contacts surface (G) when blade is 45 degrees to the table. Then tighten locknut (E).

Fig. 29

9. These positive stops enable you to rapidly position

the blade at the most common bevel angles to the table, 90 and 45 degrees.

Fig. 30

Fig. 31

Porter-Cable 3807 instruction manual Adjusting Sliding FIT Between Trunnion and Bevel Bracket

Models: 3807

ADJUSTING SLIDING FIT BETWEEN

TRUNNION AND BEVEL BRACKET

ADJUSTING 90 AND 45 DEGREE

BEVEL POSITIVE STO P S

lock handle.

table. Then tighten locknut (B).

up with the 0 degree mark on bevel scale (K).

is at 45 degrees to the table, as shown.