Engine Running Behavior; Storing The Machine - Stihl HT 250 Instruction Manual

Installing the spark plug
Screw the spark plug (3) into the
N
cylinder and fit the boot (2) (press it
down firmly).
HT 250

Engine Running Behavior

If engine running behavior is
unsatisfactory even though the air filter
is clean and the carburetor and throttle
cable are properly adjusted, the cause
may be the muffler.
2
Have the muffler checked by a servicing
dealer for contamination
(carbonization).
STIHL recommends that you have
servicing and repair work carried out
exclusively by an authorized STIHL
servicing dealer.
3

Storing the Machine

For periods of 3 months or longer
Drain and clean the fuel tank in a
N
well ventilated area.
Dispose of fuel properly in
N
accordance with local
environmental requirements.
Run the engine until the carburetor
N
is dry – this helps prevent the
carburetor diaphragms sticking
together.
Remove the saw chain and guide
N
bar, clean them and spray with
corrosion inhibiting oil.
Thoroughly clean the machine – pay
N
special attention to the cylinder fins
and air filter.
If you use a biological chain and bar
N
lubricant, e.g. STIHL BioPlus,
completely fill the chain oil tank.
Store the machine in a dry, high or
N
locked location, out of the reach of
children and other unauthorized
persons.
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