KA 85 R
English
42
N
Fit the foam filter element (4) in the
filter cover.
N
Place the felt element (5) (lettering
facing inwards) in the filter
housing (6).
N
Fit the filter cover.
N
Clip the filter cover in position or
tighten down the screw firmly.
The carburetor comes from the factory
with a standard setting.
This setting provides an optimum fuel-air
mixture under most operating
conditions.
With this carburetor it is only possible to
adjust the high speed screw within fine
limits.
Standard Setting
N
Stopping the engine
N
Mounting the Attachment
N
Check the air filter and clean or
replace as necessary.
N
Turn high speed screw (H)
counterclockwise as far as stop (no
more than 3/4 turn).
N
Turn the low speed screw (L)
carefully clockwise as far as stop,
then turn it back 1 turn.
N
Start and warm up the engine.
N
Adjust idle speed with the idle speed
screw (LA) so that the cutting
attachment does not move.
Fine Tuning
A slight correction of the setting of the
high speed screw (H) may be necessary
if engine power is not satisfactory when
operating at high altitude, sea level or
after changing the attachment.
2
4
392BA047 KN
5
6
392BA048 KN
Adjusting the Carburetor
265BA024 KN
LA
H
L
1
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