14
For precise cuts and smooth running, use two
hands to guide the electric power tool.
Free saw guidance along a scribe mark
The triangular pointer on the splinterguard
[3-1]
indicates the cutting line of the saw blade. This fa-
cilitates sawing along a scribe mark.
Switch on/off
The electric power tool has one button
[1-2]
on
each side for switching on/off.
The PSB 420 EBQ also has a variable speed trigger
[1-3]
with switch lock
[1-4]
. For continuous opera-
tion, use the button
[1-2]
.
Lighting
A continuous light or stroboscope is installed for il-
luminating the cutting line:
up to approx. 2100 rpm: continuous light
from approx. 2100 rpm: stroboscope light
L
In overhead position (+/- 45°), the lighting is
switched off completely.
If required, you can adjust the lighting:
X
Plug in the electric power tool.
X
Press both buttons simultaneously
[1-2]
and
hold for approx. 10 s until a beep sounds.
X
Release both buttons
[1-2]
.
X
Press the left button (on the pendulum stroke
side) to select the stroke speed and conse-
quently the desired operating mode:
X
Press the right button to save the setting.
Metalworking
The following precautions are to be taken
when processing metals for safety reasons:
–Pre-connect a residual current circuit-breaker
(FI, PRCD).
–Connect the machine to a suitable dust extractor.
–Clean tool regularly of dust accumulations in the
motor housing.
Accessories
Use only original Festool accessories and Festool
consumable material intended for this machine.
These components are designed specifically for
this machine. Using accessories and consumable
material from other suppliers will most likely affect
the quality of your results and limit warranty
claims. Machine wear or your own personal work-
load may increase depending on the application.
Protect yourself and your machine, and preserve
WARNING
The stroboscope light may make it difficult to de-
termine the saw blade position
Risk of injury
X
Ensure the work area is well illuminated.
WARNING
Looking into the light source can damage your vi-
sion.
X
Do not look into the stroboscope light.
Mode Indication during
configuration
Behaviour
during operation
1Light flashesWith stroboscope
(standard)
2Light on Permanent light
without strobo-
scope
3Light off Light switched off
Wear protective goggles.
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