Stihl TS 440 Manual De Instrucciones página 45

Restoring the standard carburetor
setting
Turn the high speed adjusting
N
screw (H) counterclockwise as far
as possible (max. 3/4 turn)
Turn the low speed adjusting
N
screw (L) clockwise as far as
possible then turn it 3/4 turn
counterclockwise
Setting the idle speed
Adjust to the standard setting
N
Start the engine and let it warm up
N
If the engine stops when idling
Turn the idle speed adjusting
N
screw (LA) clockwise until the
abrasive cutting wheel begins to
TS 440
rotate then turn it back at least
1 turn or until the wheel stops
rotating
WARNING
If the engine will not idle properly, have
the machine checked by an authorized
STIHL servicing dealer.
If the abrasive cutting wheel rotates
when the machine is at idle and the
brake is released
Turn the idle speed screw (LA)
N
counterclockwise until the abrasive
cutting wheel stops running
turn another full turn in the same
direction
WARNING
If the abrasive cutting wheel continues to
rotate when the machine is at idle, even
after adjustment, have the cut-off
machine checked by an authorized
STIHL servicing dealer.
If the speed is erratic when idling or if the
machine exhibits poor acceleration
(despite adjustment to LA setting)
The idle setting is too lean.
Turn the low speed adjusting
N
screw (L) approx. 1/4 turn
counterclockwise until the engine
runs and accelerates smoothly
If the idle speed cannot be increased
sufficiently via the idle speed adjusting
screw (LA) or if the engine stops when
changing from partial throttle to idle
speed
The idle setting is too rich.
Turn the low speed adjusting
N
screw (L) approx. 1/4 turn
clockwise until the machine idles
and operates normally.
Whenever the low speed adjusting
screw (L) has been adjusted, it usually is
also necessary to readjust the idle
speed adjusting screw (LA).
Adjusting the carburetor for use at high
altitudes
The carburetor setting may have to be
adjusted slightly if engine performance
is unsatisfactory at high altitudes:
then
Adjust to the standard setting
N
Let the engine warm up
N
Turn the high speed adjusting
N
screw (H) slightly clockwise (leaner)
NOTICE
After descending from a high altitude,
restore the carburetor setting to the
standard setting. If the setting is too
lean, it will increase the risk of engine
damage through lack of lubrication and
overheating.
English
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