Porter-Cable 557 Instruction Manual page 16

SURFACE
JOINT
PRACTICE CUTS
After each
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
as described in
POSITIONING GROOVES.
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
material thickness), (see
HEIGHT ADJUSTMENT
Section of this manual).
5. Clamp the workpiece securely.
6. Position tool to work-piece with
bottom of fence resting on
workpiece. Align guide notch (A)
or (B) Fig. 20, with a groove
centerline. Apply pressure to
auxiliary handle (C) Fig. 20, to
keep front of tool and fence in
firm contact with workpiece.
CORNER
JOINT
set-up or
1 the
/
2
BUTT
JOINT
Fig. 19
B
16
Fig. 20
M
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T
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R
J
O
I
N
T
C
A