english / USA
Adjusting the Carburetor
General Information
Standard Setting
Fine Tuning for Operation at High
Altitude or at Sea Level
A slight correction of the setting may be
necessary if engine power is not
satisfactory when operating at high
altitude or at sea level:
The carburetor comes from the factory
L
with a standard setting.
This setting provides an optimum
fuel-air mixture under most operating
conditions.
With this carburetor it is only possible to
correct the adjustment of the high speed
screw within fine limits.
H
:
Check air filter and clean if
necessary.
:
Warm up the engine.
:
:
Shut off the engine.
At high altitude
Turn high speed screw (H) clock-
wise (leaner) no further than stop.
Turn high speed screw (H) counter-
:
3
clockwise as far as stop (max. /
4
turn).
:
Open the low speed screw (L) one
At sea level
full turn.
:
Turn high speed screw (H) counter-
clockwise (richer) no further than
stop.
BR 45
21
| Categories | Blower Vacuum and Sweeper Manuals, STIHL Blower and Vacuum Manuals |
|---|---|
| Tags | STIHL BR 45 |
| Download File |
|
| Language | English |
| Product Brand | STIHL. Stihl Inc, USA - Corporate phone: (757) 486-9100. International Support Information: http://stihl.com Email: info@stihl.com, Blower Vacuum |
| Document File Type | |
| Publisher | stihl.com |
| Wikipedia's Page | Stihl |
| Copyright | Attribution Non-commercial |
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