Porter-Cable 557 Instruction Manual page 12

4. Continue to depress the spindle lock pin (G) while loosening (counterclockwise)
the blade retaining screw (X) using the hex wrench provided. (Fig. 14)
5. Remove the 4" (101.6 mm) blade and store for future use.
6. Before installing new blade ensure clamp washer (W) is installed as shown in
Figure 15 and blade teeth are pointed in the direction of the rotation arrow as
shown in Figure 17. Place the 2" (50.8 mm) blade onto the clamp washer (W).
Reinstall the blade by reversing the steps 2–4.
7. Rotate the "quick set" depth adjusting turret (H) to the "FF" position.
FIG. 17
8. Place the tool on a bench in the vertical position.
Risk of personaly injury. Blade will be exposed.
a. Pull safety lever (Y) straight out as shown in Figure 19.
b. Press the plunge mechanism (Z) down fully, rotate and reposition the safety
lever (Y) into the hole (AA) as shown in Figure 20 and 21. Slowly release
pressure on the plunge mechanism.
Y
FIG. 19
9. Reposition and slide the blade cover (V) onto the tool and secure in place with the
four retaining screws (U).
ALIGNMENT PLATE (For Narrow Stock) (FIG. 22–23)
When joining narrow material, install the alignment plate (BB) Fig.
tool). The alignment plate provides added support for narrow material, and has index
marks to aid in centering the cut in the narrow material. Index marks are provided for
1-1/2" (38.1 mm) wide, and 2" (50.8 mm) wide material.
BB
FIG. 18
Z
AA
FIG. 20
FIG. 22
12 12
H
FIG. 21
22 (furnished with
FIG. 23