English / USA
Adjusting Idle Speed
Erratic idling behavior, poor
acceleration
Fine Tuning for Operation at High
Altitude
A slight correction of the setting may be
necessary if engine power is not
satisfactory when operating at high
altitude:
(even though standard setting of low
speed screw is correct)
Idle setting is too lean.
L
:
Turn the low speed screw (L)
counterclockwise (no further than
stop) until engine runs and
accelerates smoothly.
:
:
:
Check the standard setting.
Warm up the engine.
LA
Turn high speed screw (H) slightly
It is usually necessary to change the
setting of the idle speed screw (LA)
after every correction to the low speed
screw (L).
clockwise (leaner). On models with
3
H = / , turn no further than stop.
Engine stops while idling
4
:
Carry out standard setting on low
If the setting is too lean there is
a risk of engine damage due to
insufficient lubrication and
overheating.
speed screw (L).
:
Turn the idle speed screw (LA)
clockwise until chain begins to run –
1
then back it off / turn.
4
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
1
to run – then turn it another / turn
4
in the same direction.
MS 650, MS 660
45
| Categories | Chainsaw Manuals, STIHL Chainsaw Manuals |
|---|---|
| Tags | STIHL MS 650, STIHL MS 660 |
| Download File |
|
| Language | English, Español |
| Product Brand | STIHL. Stihl Inc, USA - Corporate phone: (757) 486-9100. International Support Information: http://stihl.com Email: info@stihl.com, Chainsaw |
| Document File Type | |
| Publisher | stihl.com |
| Wikipedia's Page | Stihl |
| Copyright | Attribution Non-commercial |
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