Porter-Cable 557 Instruction Manual page 15

6. Position tool to workpiece with the bottom of fence resting on workpiece. Align
guide notch (FF) or (GG) Fig.
auxiliary handle (B) Fig. 28, to keep front of tool and fence in firm contact with
workpiece.
7. Hold tool firmly as shown in Fig. 29. Squeeze trigger switch to start tool.
FF
FIG. 28
8. At a slow, steady pace, push tool forward in base as far as depth stop allows.
9. Release trigger switch to stop tool and remove tool from work.
10. Repeat steps 6 through 9 until all the grooves for this joint are completed.
NOTE: Assemble all joints and verify alignments before applying glue (see Fig. 30).
FIG. 30
SURFACE ("T") JOINTS
1. Layout groove positions as described in Positioning Grooves section.
2. Set depth stop turret to desired biscuit (or other accessory), size.
3. Mark centerline of joint on workpiece (HH) (see Fig. 31).
HH
II
FIG. 31
28 with a groove centerline. Apply pressure to
B
FIG. 29
GG
FIG. 32
15 15
3/8"
(9.5 mm)