If the engine is stopped, the electronic
water control is turned off. Upon re-
starting, the electronic water control
must be reset to the appropriate water
flow.
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
cutting wheel during use even though
the electronic water control has been
activated and adjusted:
1
2
Remove the coupling sleeve (1)
N
Unscrew the "water connection with
N
screen" (2) and rinse it under
running water – the screen remains
on the water connection
If the electronic water control still is
N
not adjusting water flow properly,
the machine should be taken to an
authorized STIHL dealer for service
TS 480i, TS 500i
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 requirements.
Assembly on the inboard side is
recommended for freehand cutting on
account of the better balance.
Outboard mounting
Disassemble the abrasive wheel
N
(see "Fitting / replacing an abrasive
wheel")
Removing the water attachment
1
2
Unscrew the banjo bolt (1) with the
N
combination wrench – in the
process, remove the square nut
from the inside of the guard from the
guide
Remove the water hose (2) with
N
connector from the adjusting
lever (3)
Pull the water hose (2) out of the
N
guide (arrows) in the V-belt guard
Removing the adjusting lever
3
Unscrew the banjo bolt (1) with the
N
combination wrench and remove it
together with the seal – in the
process, remove the square nut
from the inside of the guard from the
guide
Remove the screw (2)
N
Turn the adjusting lever (3) upwards
N
and remove
Slackening the V-belt
3
1
1
1
1
Loosen the nuts (1) – do not remove
N
them
Turn the tensioning nut (2)
N
counterclockwise with the
combination wrench –
approx. 1/4 turn, as far as it will
go = 0
English
2
1
2
0
31