Stihl HT 75 Instruction Manual - Page 30

Motor Management, Adjusting the Carburetor, Do

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2 3 Motor Management english Adjusting the Carburetor 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. HL 3/4 1 355BA031 KN 4 5 LA 265BA024 KN 355BA032 KN : Wash the foam element in a clean, non-flammable cleaning solution (e.g. warm soapy water) and then dry. : Fit new felt element. As a temporary measure you can knock it out on the palm of your hand or blow it out with compressed air. Do not wash. Replace damaged parts! : Install the foam element (3) in the filter cover (2). : Place felt element (4) (lettering facing inward) in filter housing (5). : Fit filter cover so that it snaps into position. HT 70, HT 75 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 possibleto adjust the engine idle speed within fine limits. 29

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29
HT 70, HT 75
english
:
Wash the foam element in a clean,
non-flammable cleaning solution
(e.g. warm soapy water) and then
dry.
:
Fit new felt element.
As a temporary measure you can
knock it out on the palm of your
hand or blow it out with compressed
air.
Do not
wash.
Replace damaged parts!
:
Install the foam element
(3)
in the
filter cover
(2)
.
:
Place felt element
(4)
(lettering
facing inward) in filter housing
(5)
.
:
Fit filter cover so that it snaps into
position.
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.
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 possibleto
adjust the engine idle speed within fine
limits.
2
3
355BA031 KN
4
5
355BA032 KN
Motor Management
Adjusting the Carburetor
265BA024 KN
LA
H
L
1
3 / 4