Stihl MS 150 C User Manual

MS 150 C
English
37
If there is a noticeable loss of engine
power
N Turn the twist lock 90°
counterclockwise.
N Remove the shroud upwards.
N Remove the air filter upwards.
N Wash the filter in STIHL special
cleaner (special accessory) or a
clean, non-flammable solution (e.g.
warm soapy water) and then dry.
NOTICE
Do not use a brush to clean the filter.
Always replace a damaged filter.
Exhaust emissions are controlled by the
design of the fundamental engine
parameters and components (e.g.
carburation, ignition, timing and valve or
port timing) without the addition of any
major hardware.
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
N Shut off the engine.
N Check the air filter and clean or
replace if necessary.
N Check the spark arresting screen
(not in all models, country-specific)
in the muffler and clean or replace if
necessary.
Different Standard Settings
Different carburetors are installed at the
factory. A different standard setting is
necessary for each of these carburetors.
Standard setting A
– High speed screw (H) = 3/4
– Low speed screw (L) = 1
Standard setting B
– High speed screw (H) = 3/4
– Low speed screw (L) = 1/4
Cleaning the Air Filter
2011BA024 KN
2011BA025 KN
Engine Management Adjusting the Carburetor

Stihl MS 150 C Specifications

General

Brand	Stihl
Model	MS 150 C
Category	Chainsaw
Language	English