Adjusting The Carburetor - Stihl MS 460 Instruction Manual

English / USA

Adjusting the Carburetor

General information
The carburetor comes from the factory
with a standard setting
This setting provides an optimum fuel-air
mixture under most operating
conditions.
With this carburetor it is only possible to
adjust the engine idle speed within fine
limits.
48
Standard setting
: Shut off the engine.
: Turn the high speed adjusting screw
(H) counterclockwise up to the stop,
3
i.e. / turn from max. lean setting.
4
: Turn the low speed adjusting screw
(L) one quarter of a turn
counterclockwise from max. lean
setting.
Adjusting idle speed
Engine stops while idling
: Open the low speed screw (L)
counterclockwise one quarter of a
turn from max. lean setting.
: Turn the idle speed adjusting screw
(LA) clockwise until chain begins to
run – then back off the screw one
quarter of a turn.
Chain runs when engine is idling
: Open the low speed screw (L)
counterclockwise one quarter of a
turn from max. lean setting.
: Turn the idle speed adjusting screw
(LA) counterclockwise until chain
stops running – then turn screw
another quarter 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.
Rescue Saw