Adjusting The Carburetor - Stihl KA 85 Instruction Manual

English
2
4
Fit the foam filter element (4) in the
N
filter cover.
5
Place the felt element (5) (lettering
N
facing inwards) in the filter
housing (6).
Fit the filter cover.
N
Clip the filter cover in position or
N
tighten down the screw firmly.
42

Adjusting the Carburetor

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
6
Stopping the engine
N
Mounting the Attachment
N
Check the air filter and clean or
N
replace as necessary.
H
3 / 4
Turn high speed screw (H)
N
counterclockwise as far as stop (no
more than 3/4 turn).
Turn the low speed screw (L)
N
carefully clockwise as far as stop,
then turn it back 1 turn.
Start and warm up the engine.
N
Adjust idle speed with the idle speed
N
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.
L
1
LA
KA 85 R