English / USA
Operating Instructions
Cleaning the Air Filter
:
:
:
Unscrew and dry off the spark plug.
Open the throttle wide.
During break-in period
4
A factory new machine should not be run
at high revs (full throttle off load) for the
first three tank fillings. This avoids
unnecessary high loads during the
break-in period. As all moving parts
have to bed in during the break-in
period, the frictional resistances in the
engine are greater during this period.
The engine develops its maximum
power after about 5 to 15 tank fillings.
Crank the engine several times with
the starter to clear the combustion
chamber.
1
:
:
Refit the spark plug.
2
Connect the spark plug boot (press
it down firmly).
:
:
Move the slide control to START.
Dirty air filters reduce engine power,
increase fuel consumption and make
starting more difficult.
Set the choke knob to e –
even if engine is cold.
During operation
:
Now start the engine.
After a long period of full-throttle
operation, allow engine to run for a while
at idle speed so that the heat in the
engine can be dissipated by flow of
cooling air. This protects engine-
mounted components (ignition,
If there is a noticeable loss of engine
power:
Throttle cable adjustment
:
:
Set the choke knob to g.
:
Check adjustment of throttle cable –
see "Adjusting the Throttle Cable".
Take out the screw (1) and remove
the filter cover (2).
Tank run until dry
carburetor) from thermal overload.
:
:
Clean away loose dirt from around
the filter.
:
After refueling, press the fuel pump
bulb at least five times – even if bulb
is filled with fuel.
After finishing work
Grip the filter element (3) at the
notch (arrow) in the filter housing (4)
and take it out.
Wait for engine to cool down. Drain the
fuel tank. Store the machine in a dry
place. Check tightness of nuts and
screws (not adjusting screws) at regular
intervals and retighten as necessary.
:
:
Set choke knob according to engine
temperature.
:
Fit a new filter element. As a
temporary measure youcan knock it
out on the palm of your hand or blow
it out. Do not wash.
Now start the engine.
:
:
Replace any damaged parts.
Install filter element in the filter
housing.
:
:
Refit the filter cover.
Insert the screw and tighten it down
firmly.
FC 90
23
| Categories | STIHL Straight Edger Manuals, Straight Edger Manuals |
|---|---|
| Tags | STIHL FC 90 |
| 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, Edger |
| Document File Type | |
| Publisher | stihl.com |
| Wikipedia's Page | Stihl |
| Copyright | Attribution Non-commercial |
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