Stihl FS 130 Instruction Manual page 39

Adjusting Idle Speed
Engine stops while idling
H L
LA
Warm up the engine for about 3
N
minutes.
Turn the idle speed screw (LA)
N
slowly clockwise until the engine
runs smoothly – the cutting
attachment must not move.
Cutting attachment runs when engine is
idling
Turn the idle speed screw (LA)
N
counterclockwise until the cutting
attachment stops running and then
turn the screw about another 1/2 to
3/4 turn in the same direction.
WARNING
If the working tool or cutting attachment
continues to run when the engine is
idling, have your machine checked and
repaired by your servicing dealer.
FS 130, FS 130 R
Version B
H L
LA
High speed screw and low speed
–
screw with slotted head.
With this carburetor it is only possible to
adjust the high speed and low speed
screws within fine limits.
Standard Setting
Stopping the Engine
N
Mount approved cutting tool or
N
attachment.
Check the air filter and clean or
N
replace as necessary.
Check that the throttle cable is
N
properly adjusted – readjust if
necessary – see chapter on
"Adjusting the Throttle Cable".
Check the spark arresting screen
N
(not in all versions) and clean or
replace as necessary.
H L
LA
Carefully turn both adjusting screws
N
counterclockwise as far as stop:
The high speed screw (H) is 3/4 turn
–
open.
The low speed screw (L) is 3/4 turn
–
open.
Start and warm up the engine.
N
Adjust idle speed with the idle speed
N
screw (LA) so that the cutting
attachment does not move.
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
N
minutes.
Engine stops while idling
Turn the idle speed screw (LA)
N
slowly clockwise until the engine
runs smoothly – the cutting
attachment must not move.
Cutting attachment runs when engine is
idling
Turn the idle speed screw (LA)
N
counterclockwise until the cutting
attachment stops running and then
turn the screw about another 1/2 to
3/4 turn in the same direction.
English
37