Porter-Cable 557 Practice Cuts, Corner Joints, Positioning Grooves, Height Adjustment

CORNER

JOINT

SURFACE

JOINT

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PRACTICE CUTS	BUTT
After each set-up or	JOINT
adjustment to the tool, it is
recommended you make
several practice cuts in scrap
material to verify desired
operation.

CORNER JOINTS
1.	Layout groove positions	Fig. 19
	as described in
	POSITIONING GROOVES.	C
2.	Set depth stop turret to desired
	biscuit (or other accessory), size.
3.	Set the tilt fence to the 90°
	position (see ANGLE
	ADJUSTMENT Section of this
	manual).
4.	Set fence height adjustment to
	desired height (usually 1/2 the
	material thickness), (see
	HEIGHT ADJUSTMENT
	Section of this manual).
5.	Clamp the workpiece securely.	A
6.	Position tool to work-piece with	B
	bottom of fence resting on
	workpiece. Align guide notch (A)

or (B) Fig. 20, with a groove	Fig. 20
centerline. Apply pressure to
auxiliary handle (C) Fig. 20, to
keep front of tool and fence in
firm contact with workpiece.

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