With continued use, the last quantity of water set
will be fed to the abrasive wheel again automati‐
cally.
If the engine is stopped and restarted, the elec‐
tronic water control is switched off.
7.3.1
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.
7.4
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:
2
370BA086 KN
1
► Remove the coupling sleeve (1)
► Unscrew "water connection with screen" (2)
and rinse under running water – the screen
remains on the water connection
If too little water or no water is fed to the abrasive
wheel although the screen has been cleaned,
visit your servicing dealer.
8
Assembling the cast arm
and guard
The "cast arm with guard" is mounted on the
inboard side by the manufacturer.
The "cast arm with guard" can also be mounted
on the outboard side depending on require‐
ments.
Assembly on the inboard side is recommended
for freehand cutting on account of the better bal‐
ance.
8.1
Outboard mounting
► Disassemble the abrasive wheel (see “Fitting /
replacing an abrasive wheel”)
8.1.1
Removing the water attachment
3
2
1
1
1307BA002 KN
► Unscrew the banjo bolt (1) with the combina‐
tion wrench – in the process, remove the
square nut from the inside of the guard from
the guide
► Remove the water hose (2) with connector
from the adjusting lever (3)
► Pull the water hose (2) out of the
guide (arrows) in the V-belt guard
8.1.2
Removing the adjusting lever
2
370BA069 KN
1
3
► Unscrew the banjo bolt (1) with the combina‐
tion wrench and remove it together with the
seal – in the process, remove the square nut
from the inside of the guard from the guide
► Unscrew the screw (2)
► Turn the adjusting lever (3) upwards and
remove
8.1.3
Slackening the V-belt
1
1
1
2
0
1307BA003 KN
► Unscrew the nuts (1) – do not remove them
8 Assembling the cast arm and guard
English
0458-753-8321-C
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