Stihl BR 450 C-EF Instruction Manual - Page 20

Operating Instructions, Replacing the Air Filter

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English N Check that the spark plug boot is properly connected. N Repeat the starting procedure. Fuel tank run until completely dry N After refueling, press the manual fuel pump bulb at least five times - even if the bulb is filled with fuel. N Set the choke knob according to engine temperature. N Now start the engine. Operating Instructions During Operation After a long period of full throttle operation, allow the engine to run for a short while at idle speed so that engine heat can be dissipated by the flow of cooling air. This helps protect enginemounted components (ignition, carburetor) from thermal overload. After Finishing Work Replacing the Air Filter Dirty air filters reduce engine power, increase fuel consumption and make starting more difficult. If there is a noticeable loss of engine power Storing for a short period: Wait for the engine to cool down. Keep the machine in a dry place, well away from sources of ignition, until you need it again. For longer out-of-service periods - see "Storing the Machine". 1 2 1 N Turn the choke knob to c . N Loosen the screws (1). N Remove the filter cover (2). 0002BA088 KN 18 BR 450, BR 450 C

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BR 450, BR 450 C
English
18
N
Check that the spark plug boot is
properly connected.
N
Repeat the starting procedure.
Fuel tank run until completely dry
N
After refueling, press the manual
fuel pump bulb at least five times –
even if the bulb is filled with fuel.
N
Set the choke knob according to
engine temperature.
N
Now start the engine.
During Operation
After a long period of full throttle
operation, allow the engine to run for a
short while at idle speed so that engine
heat can be dissipated by the flow of
cooling air. This helps protect engine-
mounted components (ignition,
carburetor) from thermal overload.
After Finishing Work
Storing for a short period: Wait for the
engine to cool down. Keep the machine
in a dry place, well away from sources of
ignition, until you need it again. For
longer out-of-service periods – see
"Storing the Machine".
Dirty air filters reduce engine power,
increase fuel consumption and make
starting more difficult.
If there is a noticeable loss of engine
power
N
Turn the choke knob to
c
.
N
Loosen the screws (1).
N
Remove the filter cover (2).
Operating Instructions
Replacing the Air Filter
1
0002BA088 KN
1
2