English / USA
Adjusting the Carburetor
Models with H-, L- and LA-screw
Engine stops while idling
General Information
:
Set low speed screw (L) one full turn
open.
Your carburetor is preset at the factory
with the standard setting.
H L
LA
:
Turn the idle speed (LA) clockwise
until the chain begins to run. Then
back off the screw one quarter of a
turn.
This setting is designed to provide an
optimum fuel-air mixture under most
operating conditions.
H
L
1
3
/4
If the setting is too lean there is
a risk of engine damage due to
insufficient lubrication and
overheating.
Chain runs when engine is idling
:
:
Turn high speed screw (H)
counterclockwise as far as stop (no
more than 3/4 turn)
Carefully screw the low speed
screw (L) down onto its seat
(clockwise), then turn it back one full
turn counterclockwise.
:
Set low speed screw (L) one full turn
open.
Standard Setting
:
Turn the idle speed (LA) counter-
clockwise until the chain stops
running. Then turn the screw
another quarter turn in the same
direction.
:
:
Shut off the engine.
Check the air filter and clean or
replace if necessary.
:
Check the spark arresting screen* in
the muffler and clean or replace if
necessary.
Erratic idling behavior, poor
acceleration even though setting of
LA screw is correct
Adjusting Idle Speed
Engine stops while idling
:
Carry out standard setting on low
speed screw (L).
Idle setting is too lean
:
Turn low speed screw (L) counter-
clockwise until the engine runs and
accelerates smoothly.
:
Turn the idle speed screw (LA)
clockwise until chain begins to run –
1
then back it off /4 turn.
*
see "Guide to Using this Manual"
46
MS 260
| Categories | Chainsaw Manuals, STIHL Chainsaw Manuals |
|---|---|
| Tags | STIHL MS 260 |
| Download File |
|
| Language | English, Español |
| Product Brand | STIHL. Stihl Inc, USA - Corporate phone: (757) 486-9100. International Support Information: http://stihl.com Email: info@stihl.com, Chainsaw |
| Document File Type | |
| Publisher | stihl.com |
| Wikipedia's Page | Stihl |
| Copyright | Attribution Non-commercial |
(1 votes, average: 5 out of 5)
Lawn and Garden readers have rated STIHL MS 260 Chainsaw Owners Manual 5.0 out of 5.0 based on 1 product reviews. good and easy to follow manual