Operation - Porter-Cable 557 Instruction Manual

To reduce the risk of injury,
turn unit off and disconnect it from
power source before installing and
removing accessories, before adjusting
or when making repairs. An accidental
start-up can cause injury.
Laceration hazard. Never
remove the return springs (A) Fig. 1A. If
the springs are removed the tool cannot
be operated safely because the blade
will not retract following a cut.
TO START AND STOP TOOL
M a k e s u r e s w i t c h i s
OFF and power circuit
voltage is the same as that shown on the
specification plate.
1. Connect tool to power circuit.
2. Grip tool firmly to resist starting torque,
and squeeze trigger switch (A) Fig. 1B to
START tool.
3. Release trigger switch to STOP tool.
4. To lock the trigger switch in the "ON"
position:
• Squeeze trigger switch to START motor and depress lock button (B) Fig.
1B,while releasing trigger switch. Release lock button.
• To STOP tool, squeeze trigger switch and release, while leaving lock
button free to spring out.
ADJUSTING DEPTH OF GROOVE
A "quick set" depth adjusting turret (A) Fig. 2,
provides for quick changes in depth of cut to
accommodate the various sizes of available
biscuits and other accessories. To set depth
of cut, rotate depth adjusting turret until
desired size marking on turret aligns with the
index mark (B) Fig. 2. The following depth
settings are provided:
For "0" size accessories
0
For "10" size accessories
10
For "20" size accessories
20
MAX For "6" size accessories, provides
maximum depth of cut with 4" blade
For Porter-Cable "FF" biscuits
FF
For "Duplex" accessories
D
For "Simplex" accessories
S

OPERATION

A
Fig. 1A
Fig. 1B
Fig. 2
7
B
A
B
A