45MS 260
English
Models with
H =
3
/
4
and
L =
1
/
4
: Turn high speed screw (H)
counterclockwise as far as stop (no
more than
3
/
4
turn)
: Turn the low speed screw (L)
clockwise as far as stop, then turn it
back
1
/
4
turn.
Models with
H =
3
/
4
and
L = 1
: Turn high speed screw (H)
counterclockwise as far as stop (no
more than
3
/
4
turn)
: Carefully screw the low speed
screw (L) down onto its seat
(clockwise), then turn it back one full
turn counterclockwise.
Adjusting Idle Speed
Engine stops while idling
: Carry out standard setting on low
speed screw (L).
: Turn the idle speed screw (LA)
clockwise until chain begins to run –
then back it off
1
/
4
turn.
Chain runs when engine is idling
: Carry out standard setting on low
speed screw (L).
: Turn the idle speed screw (LA)
counterclockwise until chain begins
to run – then turn it another
1
/
4
turn
in the same direction.
133BA051 KN
H
L
H
L
1/4
3/4
L
133BA052 KN
H
L
H
L
1
3/4
L
133BA045 KN
L
L