To Start/Stop Saw; Variable Speed/Blade Orbit; Operation - Porter-Cable 7549 Instruction Manual

OPERATION

TO START AND STOP SAW
Make sure power circuit voltage is the same as shown on the specification
plate on the saw, and that saw switch is OFF. Connect saw to power circuit.
1. Squeeze trigger switch (A), Fig. 5, to start motor. Release trigger to stop
motor.
2. Lock Button – A lock button (B), Fig. 5, is provided to keep the saw
running without holding the switch trigger "ON". To lock the switch trigger
"ON", squeeze the trigger as far as it will go and push in the lock button and
release trigger.
To UNLOCK the lock, squeeze trigger allowing lock button to spring out, and
release trigger.
A
B
A
Fig. 5 Fig. 6
VARIABLE SPEED
The 7549 is equipped with an adjustable variable speed control. The speed
is adjusted by turning the control knob (A), Fig. 6.
The control knob (A), Fig. 6, is numbered "1" through "6" with "1" being the
slowest speed (approximately 500 SPM) and "6" being the fastest speed
(approximately 3200 SPM). The speed control may be adjusted with or
without the motor running.
Use higher speed settings for fast cutting when finish and accuracy are not
critical. Use slower speed settings when accuracy and finish are critical or
for delicate materials.
BLADE ORBIT
The blade orbit may be varied by turning knob (A), Fig. 7, to any of four
positions indicated by the numbers "0" through "3", with "0" producing no
orbit and "3" producing maximum orbit. The orbit may be adjusted with or
without the motor running. Turn knob (A), Fig. 7, to align the number
producing the desired orbit with the index mark (B), Fig. 7. Metal cutting
should be performed in orbit setting "0".
When cutting wood with "universal" type blades: orbit settings "0", "1" or "2"
are recommended. Use of setting "3" may cause blade breakage.
Use of higher orbit settings when performing intricate scroll cuts may cause
blade breakage. The lower orbit settings are recommended for scrolling.
Orbit position "0" will produce the most accurate cuts with less splintering
and the longest blade life.
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