0 degrees
C
F
A
B
E
Fig. 6
90 degrees
D C
A
E
Fig. 8
FINE ADJUSTMENT (90° Position)
60 degrees
A
B
E
Fig. 7
135 degrees
C D
A
E
Fig. 9
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
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:
DISCONNECT TOOL FROM POWER SOURCE.
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 5/32" hex wrench (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
7.Depress and hold spindle lock button (B) Fig. 11, while rotating blade by hand until spindle lock engages.
12