Porter-Cable 557 Instruction Manual page 12

Fig. 6
D
E
Fig. 8
FINE ADJUSTMENT
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
" hex wrench (not furnished), to rotate set-screw (F) Fig. 6, as required.
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64
Rotate the set-screw clockwise to reduce the angle of the fence, rotate the
set-screw counterclockwise to increase the angle of the fence.
BLADES
(2" and 4")
Model 557 is shipped with a 4" diameter blade installed. This blade is used
for all operations except for the "FF" biscuit. The "FF" biscuit requires that
the 2" blade (furnished with the tool), be installed as follows:
1. Loosen four blade cover retaining screws (A) Fig. 10, and remove blade
cover.
2. Depress and hold spindle lock button (B) Fig. 11, while rotating blade by
hand until spindle lock engages.
3. Continue to hold spindle lock button while using the
(furnished with tool), to remove blade retaining bolt and flange, (by
rotating counterclockwise).
4. Remove blade and store in a safe place for future use.
5. Place 2" diameter blade (furnished with tool), onto blade mounting
flange (orient with teeth facing in same direction as directional arrow
cast in housing, see Fig. 14).
6. Position blade retaining flange (flat side out), to spindle, insert blade bolt
and rotate clockwise until hand-tight.
7. Depress and hold spindle lock button (B) Fig. 11, while rotating blade by
hand until spindle lock engages.
0 degrees
C
F
A
B
E
90 degrees
C
A
(90° Position)
DISCONNECT TOOL FROM POWER SOURCE.
A
12
60 degrees
A
B
E
Fig. 7
135 degrees
C
D
E
Fig. 9
5 " hex wrench
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32