Engine Running Behavior; Lubricating The Gearbox; Storing The Machine; Sharpening Metal Cutting Blades - Stihl FS 111 Instruction Manual

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– Unfavorable running conditions.
WARNING
Arcing may occur if the adapter nut (1) is loose
or missing. Working in an easily combustible or
explosive atmosphere may cause a fire or an
explosion. This can result result in serious inju‐
ries or damage to property.
► Use resistor type spark plugs with a properly
tightened adapter nut.
20.3 Installing the Spark Plug
► Screw the spark plug (3) into the cylinder.
► Tighten down the spark plug (3) with the com‐
bination wrench.
► Press the boot (2) firmly onto the spark plug.
► Fit the cover (1) and screw it down firmly.

21 Engine Running Behavior

If engine running behavior is unsatisfactory even
though the air filter is clean and the carburetor is
properly adjusted, the cause may be the muffler.
Have the muffler checked for contamination (car‐
bonization) by your servicing dealer.
STIHL recommends that you have servicing and
repair work carried out exclusively by an author‐
ized STIHL servicing dealer.

22 Lubricating the Gearbox

1
32
Check grease level after every 25 hours of oper‐
ation and re-lubricate if necessary.
► Remove the screw plug (1).
► If no grease can be seen on the inside of the
1
screw plug (1): Screw the tube (2) of STIHL
gear lubricant (special accessory) into the filler
hole.
► Squeeze no more than 5 g (1/5 oz) grease into
the gearbox.
NOTICE
Do not completely fill the gearbox with grease.
► Unscrew the tube (2).
► Insert the screw plug (1) and tighten it down
firmly.

23 Storing the Machine

For periods of 3 months or longer
► Drain and clean the fuel tank in a well ventila‐
ted area.
► Dispose of fuel properly in accordance with
local environmental requirements.
► Run the engine until the carburetor is dry – this
helps prevent the carburetor diaphragms stick‐
ing together.
► Remove, clean and inspect the cutting attach‐
ment. Coat metal cutting attachments with cor‐
rosion inhibitor.
► Thoroughly clean the machine.
► Clean the air filter.
► Store the machine in a dry and secure location
– out of the reach of children and other unau‐
thorized persons.
24 Sharpening Metal Cutting
► Use a sharpening file (special accessory) to
sharpen dull cutting attachments. In case of
more serious wear or nicks: Resharpen with a
grinder or have the work done by a dealer –
STIHL recommends a STIHL servicing dealer.
► Sharpen frequently, take away as little metal
as possible – two or three strokes of the file
are usually enough.
21 Engine Running Behavior
Blades
0458-430-0121-B