Download STIHL MS 280 C

English / USA
Standard Setting
H
Adjusting Idle Speed
L
Erratic idling behavior, poor
acceleration
L
:
Shut off the engine.
Engine stops while idling
:
Check the air filter and clean or
replace if necessary.
:
Check the standard setting at the
low speed screw (L).
:
Check spark arresting screen* in the
muffler and clean or replace it as
necessary.
:
Turn the idle speed screw (LA)
clockwise until chain begins to run –
then back it off one turn.
Turn low speed screw (L) clockwise as
far as stop. Then back it off one quarter
turn.
Only machines with high speed
screw (H)
Turn the high speed screw (H)
counterclockwise (max. 3/4 turn) as far
as stop.
*
48
146BA014 KN
LA
:
Check the standard setting at the
low speed screw (L).
:
Turn the idle speed screw (LA)
counterclockwise until chain stops
running – then turn screw another
turn in the same direction.
If the chain continues moving when
the engine is idling, have your saw
checked and repaired by your
servicing dealer.
Check the standard setting at the
low speed screw (L).
Idle setting too lean:
:
Chain runs when engine is idling
:
L
146BA013 KN
146BA012 KN
H
Turn low speed screw (L)
counterclockwise until the engine
runs and accelerates smoothly –
no further than stop.
It is usually necessary to change the
setting of the idle speed screw (LA)
after every correction to the low speed
screw (L).
Machines with Intelligent Engine
Management
:
Run the engine for about 10
seconds at full throttle – with the
chain and bar mounted.
:
Perform cross cut at full throttle.
See "Guide to Using this Manual"
MS 280 C