Service And Maintenance - Festool PSC 420 EB Operating Manual

When working on small or thin workpieces, always
use a stable base, or the CMS module (accessory).
When working, hold the electric power tool by the
handle and guide it along the desired cutting line.
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 [5-1]
indicates the cutting line of the saw blade. This fa-
cilitates sawing along a scribe mark.
8.1 Lighting
WARNING
The stroboscope light may make it difficult to de-
termine the saw blade position
Risk of injury

Ensure the work area is well illuminated.
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
 In overhead position (+/- 45°), the lighting is
switched off completely.
If required, you can adjust the lighting:

Plug in the electric power tool.

Press both buttons simultaneously [1-2] and
hold for approx. 10 s until a beep sounds.

Release both buttons [1-2].

Press the left button (on the pendulum stroke
side) to select the stroke speed and conse-
quently the desired operating mode:
Mode Indication during
configuration
1 Light flashes
2 Light on
3 Light off

Press the right button to save the setting.
8.2 Acoustic warning signals
Acoustic warning signals sound and the machine
switches off in the following operating states:
Behaviour
during operation
With stroboscope
(standard)
Permanent light
without strobo-
scope
Light switched off
Battery flat or machine over-
loaded.
– Change the battery.
– Place the machine under reduced
stress.
Machine is overheating.
– You must allow the machine to
cool before using again.
LiIon battery pack is faulty or has
overheated.
– Once the battery pack has cooled,
perform a functional check using
the charger.
9

Service and maintenance

WARNING
Risk of injury, electric shock

Always disconnect the battery pack from the
machine before any maintenance or care work!

All maintenance and repair work which requires
the motor housing to be opened, must only be
carried out by an authorised service workshop.
Customer service and repair only
through manufacturer or service
workshops: Please find the nearest
address at:
www.festool.com/Service
EKAT
Use only original Festool spare parts!
4
Order No. at:
5
www.festool.com/Service
3
2
1
Damaged safety devices and components must be
repaired or replaced in a recognised specialist
workshop, unless otherwise indicated in the oper-
ating manual.
Observe the following instructions:
– Keep the air slits on the machine and the charger
free and clean to ensure adequate cooling.
– Keep the contacts on the machine, charger and
battery pack clean.
– Check the guidance roller regularly for wear.
– Regularly remove dust deposits from the chip
guard.
– Regularly clean the base runner to prevent
scratches and cores on the surface.
C A R V E X
GB
19