Notes
for adjusting idle speed
Engine
stops
while idling
Turn idle speed adjusting screw (LA) clockwise
until chain
begins to run. Then
back off one quarter of a turn.
Chain runs when engine
is idling
Turn idle speed adjusting
screw
(LA) counterclockwise
until chain
stops
running and then turn it about another
quarter turn in the same direction.
Erratic idling behavior;
poor
acceleration
Idle setting too lean; turn low speed adjusting screw (L)
counterclockwise until engine
runs
and accelerates
smoothly.
Exhaust smokes at idle speed
Idle speed setting too rich; turn low speed adjusting screw
(L) clockwise until engine speed drops. Then turn screw
back one quarter turn and check that engine still accele-
rates smoothly
when you open the
throttle.
A correction
at
the low speed adjusting
screw
usually
necessitates a change in the setting of the idle speed
adjusting screw (LA).
Apart
from
minor readjustments, you should leave all
car-
buretor setting and repair work
to your
STIHL dealer.
STIHL dealers have trained staff and all the necessary
servicing tools and equipment.
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