Fine Tuning; Adjusting Idle Speed - Stihl FS 110 Manual De Instrucciones

English / USA
Standard Setting
: Shut off the engine.
:
Mount FS cutting tool or attachment.
:
Check the air filter – clean or
replace if necessary.
:
Check adjustment of the throttle
cable and readjust if necessary –
see "Adjusting the Throttle Cable".
:
Check spark arresting screen* and
clean or replace if necessary.
: Carefully screw both adjusting
screws clockwise down onto their
seats.
:
Open high speed screw (H)
3
/ turn.
4
:
Open low speed screw (L)
3
/ turn.
4
:
Start and warm up the engine
:
Adjust idle speed with the idle speed
screw (LA) so that the tool does not
rotate.
* see "Guide to Using this Manual"
38

Fine Tuning

A slight correction of the setting of the
high speed screw (H) may be necessary
if engine power is not satisfactory when
operating at high altitude or at sea level
or after changing the tool.
Rule of thumb
:
Turn high speed screw (H) about
a quarter turn for every 1000m
(3300 ft) change in altitude.
:
Carry out standard setting.
:
Warm up engine for about 3
minutes.
At high altitude
:
Turn high speed screw (H) clock-
wise (leaner) no further than stop
until there is no noticeable increase
in engine speed.
At sea level
:
Turn high speed screw (H) counter-
clockwise (richer) no further than
stop until there is no noticeable
increase in engine speed.
It is possible that maximum engine
speed may be reached with the
standard setting in each case.

Adjusting Idle Speed

It is usually necessary to change the
setting of the idle speed screw (LA)
after every correction to the low speed
screw (L).
:
Warm up the engine for about
3 minutes.
Engine stops while idling
:
Turn idle speed screw (LA) slowly
clockwise until the engine runs
smoothly – the tool must not rotate.
FS 110