Porter-Cable 557 Instruction Manual page 10

ANGLE ADJUSTMENT (FIG. 8–11)
1. Loosen locking knob (K).
2. For angles between 0° and 90° - swing fence downward until desired angle on
lower scale (L), aligns with lower index mark (S). Tighten knob (K), to secure in
place.
3. For angles between 90° and 135° - swing fence downward until the "gate"
between the upper scale (M), and lower scale (L), aligns with locking knob. Swing
scale arm down to align knob with upper scale. Move fence until desired angle
on upper scale (M), aligns with upper index mark (R). Tighten knob (K), to secure
in place.
FIG. 8
90 DEGREES
M
S
FIG. 10
FINE ADJUSTMENT (90° POSITION)
The adjustable 90° stop is factory adjusted for 90° and should not require additional
adjustment. If "fine tuning" of the stop position is required: use a 5/64" hex wrench
(not furnished), to rotate set-screw (T) Fig. 8. Rotate the set-screw clockwise to reduce
the angle of the fence, rotate the set-screw counter-clockwise to increase the angle
of the fence.
BLADE REPLACEMENT
To reduce the risk of injury, turn unit off and disconnect it from
power source before installing and removing accessories, before adjusting or
when making repairs. An accidental start-up can cause injury.
Handle blades carefully. They are extremely sharp.
NOTE: Model 557 is shipped with a 4" (101.6 mm) diameter blade installed. This blade
is used for all operations except for the "FF" biscuit. The 2" (50.8 mm) blade is sold
separately at additional cost from an authorized service center.
TO REMOVE 4" (101.6 MM) BLADE (FIG. 12–15)
1. Turn off and unplug the plate joiner.
2. Loosen the four screws (U) from the bottom of the blade cover (V) and then slide
and lift the blade cover from the unit.
0 DEGREES
R
T
K
L
S
FIG. 9
R
K
K
FIG. 11
10 10
60 DEGREES
K
L
S
135 DEGREES
R
M
S