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 6 through 9 until all the grooves for this joint

are completed.

Fig. 21

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.

2.Set depth stop turret to desired biscuit (or other accessory), size.

3.Mark centerline of joint on workpiece “A” (see Fig. 23).

4.Clamp a straight edge guide to the workpiece, 3/8" back from the joint centerline (as marked in Step 2). Clamp workpiece securely (see Fig.

24).

5.Set tilt fence to 0° position (see Angle Adjustment Section of this manual).

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.

A

B

Fig. 23

3/8"

Fig. 24

17

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Image 17
Porter-Cable 557 instruction manual Surface T Joints, Are completed