Owner's Manual

35MS 191 T
English / USA
Standard Setting
: Shut off the engine.
: Check the air filter and clean or
replace it as necessary.
: Check spark arresting screen in the
muffler and clean or replace it as
necessary.
: Turn the high speed screw (H)
counterclockwise (max.
3
/
4
turn) as
far as stop.
: Set the low speed screw (L) to one
full turn up.
Adjusting Idle Speed
Engine stops while idling
: Turn the idle speed screw (LA)
clockwise until chain begins to run –
then back it off one quarter of a turn.
Chain runs when engine is idling
Turn the idle speed screw (LA)
counterclockwise until chain stops
running – then turn screw another
quarter turn in the same direction.
Erratic idling behavior, poor
acceleration
Idle setting too lean:
: Turn low speed screw (L)
counterclockwise until the engine
runs and accelerates smoothly
Adjustment for Operation at High
Altitudes
A slight correction of the setting may be
necessary if engine power is not
satisfactory when operating at high
altitude:
: Check standard setting.
: Warm up the engine.
: Turn the high speed screw (H) and
the low speed screw (L) clockwise.
164BA000 KN
L
H
/
3
4
1
164BA001 KN
LA
164BA000 KN
L
H
/
3
4
1