English / USA
Carburetor with H, L and LA
Screws
Engine stops while idling
General Information
:
Turn the idle speed screw (LD)
slowly clockwise until the engine
runs smoothly – the drilling spindle
must not rotate.
Your 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 high speed screw within fine
limits.
Drilling spindle rotates when engine
is idling
Turn the idle speed screw (LD)
counterclockwise until the drilling
spindle stops rotating – then turn the
screw about another one full turn in
the same direction from that
position.
L
1
:
H
Standard Setting
LA
:
:
Shut down the engine.
Remove the auger from the
machine.
Erratic idling behavior, poor
acceleration
:
:
Check air filter and clean or replace
as necessary.
Check that the throttle cable is
properly adjusted and readjust if
necessary – see chapter on
"Adjusting the Throttle Cable".
:
Turn the idle speed screw (LD)
slowly counterclockwise no more
than one half turn.
:
:
Turn the high speed screw (H)
counterclockwise as far as stop
3
–
max. / turn
4
Carefully turn the low speed
screw (L) down onto its seat
clockwise. Then open it one turn
counterclockwise.
:
:
Start and warm up the engine.
Adjust idle speed with the idle speed
screw (LA) so that the drilling
spindle does not rotate.
20
BT 120 C
| Categories | Auger Drill Manuals, Stihl Auger Drill Manuals |
|---|---|
| Tags | STIHL BT 120 C |
| Download File |
|
| Document Type | Operator's Manual |
| Language | English, Español |
| Product Brand | STIHL. Stihl Inc, USA - Corporate phone: (757) 486-9100. International Support Information: http://stihl.com Email: info@stihl.com, Auger |
| Document File Type | |
| Publisher | stihl.com |
| Wikipedia's Page | Stihl |
| Copyright | Attribution Non-commercial |
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