Porter-Cable 557 Instruction Manual page 14

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. 22).
Fig. 22
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 (A) (see Fig. 23).
A
B
Fig. 23
"
workpiece 3 back from the joint centerline (as marked in Step 2). Clamp
/
8
workpiece securely (see Fig. 24).
5. Set tilt fence to 0° position (see "ANGLE ADJUSTMENT SECTION" section).
6. Position tool to workpiece with bottom of base against straight edge and
guide notch (C) Fig. 25, aligned with a groove centerline. Apply pressure to
auxiliary handle (D) Fig. 25 to hold tool firmly in place.
7. Hold tool firmly as shown in Fig. 21. Squeeze trigger switch to start tool.
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 5 through 8 until all the grooves in workpiece (A) are completed.
11. Follow steps 3 through 10 of "CORNER JOINTS" section to complete
required grooves in workpiece (B) Fig. 23.
Fig. 21
Fig. 24
4. Clamp a straight edge guide to the
14
3 /8"