Porter-Cable 557 Instruction Manual page 14

ALIGNMENT PLATE
When joining narrow material, it will be necessary to install the alignment
plate (A) Fig. 15, (furnished with 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
material. Install alignment plate as follows:
1. Align alignment plate with fence (see Fig. 15).
2. Slide alignment plate onto fence until it is seated (see Fig. 16).
NOTE: When alignment plate is installed: increase tool depth setting
5
by " (to allow for thickness of the alignment plate).
/
32
3. To remove alignment plate: lift lightly on the alignment plate and slide off
fence.
A
Fig. 15
"DOUBLE" BISCUITS
The alignment plate may also be used as a spacer to produce a groove that
is wide enough to accept two biscuits. After cutting a groove (or a group of
grooves), in the normal fashion: install the alignment plate and repeat the
cuts. This will double the width of each groove so that two biscuits can be
installed in each groove.
DUST PORT
The tool is equipped with a dust port
(A) Fig. 17. A large volume of sawdust
and chips will be exhausted from this
port during tool operation. A dust bag
(B) Fig. 18 and a dust/chip deflector
nozzle (C) Fig. 17 are furnished. A
standard 1" vacuum hose can be
connected to the dust port to
facilitate dust collection.
tool without a dust/chip deflector
nozzle and dust bag, or a vacuum
hose, attached to the dust port.
Dust/Chip Deflector Nozzle
The dust/chip deflector nozzle (C) pushes onto the dust port (A) Fig. 17.
(For Narrow Stock)
DISCONNECT TOOL FROM POWER SOURCE.
Do not operate the
14
1
" wide, and 2" wide
/
2
Fig. 16
C
A
Fig. 17