Adjusting The Carburetor - Stihl BG 56 Instruction Manual

English
Version with Pleated Filter Material
1
2 2
Unscrew the filter cover lock (1)
N
counterclockwise.
Remove the filter cover (2).
N
Clean away loose dirt from around
N
the filter.
4
3
Take the air filter (3) out of the filter
N
housing (4).
Cleaning the air filter
Carefully knock the filter out on the
N
palm of your hand or blow it clear
with compressed air from the inside
outwards.
In case of stubborn dirt or sticky filter
fabric
Wash the air filter in STIHL special
N
cleaner (special accessory) or a
clean, non-flammable solution (e.g.
warm soapy water). Rinse the filter
16
from the inside outwards under a jet
of water – do not use a pressure
washer.
Dry the filter – do not expose to high
N
temperatures.
Place the filter in position.
Install the filter element in the filter
N
housing.
Fit the filter cover and tighten the
N
filter cover lock clockwise.
BG 56, BG 56 C, BG 66, BG 66 C, BG 86, BG 86 C, SH 56, SH 56 C, SH 86, SH 86 C

Adjusting the Carburetor

General Information
The carburetor comes from the factory
with a standard setting.
This setting provides an optimum fuel-air
mixture under most operating
conditions.
Preparations
Shut off the engine.
N
Check the air filter and clean or
N
replace if necessary.
Check the spark arresting screen
N
(not in all models, country-specific)
in the muffler and clean or replace if
necessary.
Standard Setting
Turn high speed screw (H)
N
counterclockwise as far as stop (no
more than 3/4 turn).
Turn the low speed screw (L)
N
clockwise as far as stop, then turn it
back 3/4 turn.