Adjusting Carburetor
L LA
with two adjusting screws
Motor Management
Engine stops while idling:
’L’ screw must be one turn open.
Exhaust emissions are controlled by the
design of the fundamental engine
parameters and components
Turn the idle speed screw (LA) clockwise
until chain begins to run -
(
e.g. carburetion, ignition, timing and
then back off the screw one quarter
of a turn.
valve or port timing) without the addition
of any major hardware.
L
The carburetor does not have a high
speed adjusting screw (H screw) but is
designed to provide an optimum fuel-air
mixture under all operating conditions.
Chain runs when engine is idling
’L’ screw must be one turn open.
Turn the idle speed screw (LA)
counterclockwise until chain
stops running -
The maximum engine speed specified
for machines with a conventional
LA
then turn screw another quarter turn in
the same direction.
carburetor does not apply to this version.
No provision is made for adjustment of
maximum engine speed. On these
machines it is only possible to correct
the idling speed within narrow limits.
Erratic idling behaviour,
poor acceleration
•
Check the air filter and clean it if
necessary.
(even though ’L’ screw in one turn
open)
Carefully screw the low speed screw (L)
down onto its seat.
Idle setting is too lean.
Now open it one turn counterclockwise
(standard setting, L = 1)
Turn the low speed screw (L) counter-
clockwise until engine runs and
accelerates smoothly.
•
Warm up the engine.
It is usually necessary to change the
setting of the idle speed screw (LA) after
every correction to the low speed screw
(L).
Turn screws only very slightly and
carefully - even minor changes have a
noticeable effect on the engine’s running
behavior.
017,
018
39
Categories | Chainsaw Manuals, STIHL Chainsaw Manuals |
---|---|
Tags | STIHL 017, STIHL 018 |
Download File |
|
Language | English |
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: 3 out of 3) Lawn and Garden readers have rated STIHL 017 018 Chainsaw Owners Manual 3.0 out of 3.0 based on 1 product reviews.
Hoping it will help me to restart my machine
very super.super.