STIHL HT 100 Manuel d'instructions télécharger pdf (Page 33)

HT 100, HT 101, HT 130, HT 131

English

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 possible to

adjust the high speed screw within fine

limits.

Adjusting idle speed

Engine stops while idling

N Warm up the engine for about

3 minutes.

N Turn the idle speed screw (LA)

slowly clockwise until the engine

runs smoothly – the chain must not

rotate.

Chain rotates when engine is idling

N Turn the idle speed screw (LA)

counterclockwise until the chain

stops running and then turn the

screw about another 1/2 to 3/4 turn

in the same direction.

WARNING

If the chain continues moving when the

engine is idling, have your machine

checked and repaired by your servicing

dealer.

Engine Management Adjusting the Carburetor

249BA066 KN

H L

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STIHL HT 100 Manuel d'instructions Page 33