Stihl TS 420 - Electronic Water Control

TS 410, TS 420
English
18
STIHL cut-off machines may be
equipped with an electronic water
control system.
The electronic water control makes it
possible to feed the optimum amount of
water to the abrasive wheel. No water is
fed to the abrasive wheel during idling.
Before starting work
N Familiarize yourself with the
sequence of motions while the
engine is switched off
N All of the control panel buttons can
be operated with the thumb of the
right hand – the right hand always
remains on the rear handle while
doing so
N The left hand always remains on the
handlebar
Control panel
When the engine is running, it is
possible to activate / deactivate the
electronic water control and adjust the
water flow.
1 Button(+):
activate the electronic water control
or increase water flow to abrasive
wheel
2 Button(–):
activate the electronic water control
or decrease water flow to abrasive
wheel
3 Deactivate electronic water control;
no water is fed to the abrasive wheel
Using the electronic water control
N Start engine, see
"Starting/Stopping the Engine"
N Tap on the(+) button or(–) button
with the thumb of the right hand –
the right hand always remains on
the rear handle while doing so, the
left hand always remains on the
handlebar – no water is fed to the
abrasive wheel yet during idling
During use, the set amount of water is
fed to the abrasive wheel.
N Adjust water flow if necessary – to
do so, tap on the (+) button or (–)
button with the thumb of the right
hand until the correct water quantity
is attained – the right hand always
remains on the rear handle while
doing so, the left hand always
remains on the handlebar
If the cut-off machine is idling after use,
no more water will be fed to the abrasive
wheel – the electronic water control,
however, remains activated. With
continued use, the last quantity of water
set will be fed to the abrasive wheel
again automatically.
If the engine is stopped and restarted,
the electronic water control is switched
off.
For installation on the STIHL FW 20 cut-
off machine cart
If the cut-off machine is mounted on the
STIHL FW 20 cut-off machine cart in
combination with the water tank, feed
the maximum amount of water.
Maintenance and care
If too little water or no water is fed to the
abrasive wheel during use although the
electronic water control has been
activated:
N Remove the coupling sleeve(1)
N Unscrew "water connection with
screen"(2) and rinse under running
water – the screen remains on the
water connection
Electronic Water Control
1307BA001 KN
2
1
370BA085 KN
3
2
370BA086 KN
1