Stihl BR 550 Product Instruction Manual - Page 23

Operating Instructions, Replacing the Air Filter - fuel filter

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Operating Instructions Replacing the Air Filter English 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 protects enginemounted components (ignition, carburetor) from thermal overload. After Finishing Work 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. Empty the fuel tank and keep the machine in a dry place, well away from sources of ignition, until you need it again. For longer out-ofservice periods - see "Storing the Machine". N Remove the filter element (3). N Replace dirty or damaged filters. N Fit the new filter in the filter housing. N Fit the filter cover. N Insert the screws and tighten them down firmly. N Turn the choke knob to l. N Loosen the screws (1). N Remove the filter cover (2). BR 500, BR 550, BR 600 21

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BR 500, BR 550, BR 600
English
21
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 protects engine-
mounted components (ignition,
carburetor) from thermal overload.
After Finishing Work
Storing for a short period: Wait for the
engine to cool down. Empty the fuel tank
and 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
l
.
N
Loosen the screws (1).
N
Remove the filter cover (2).
N
Remove the filter element (3).
N
Replace dirty or damaged filters.
N
Fit the new filter in the filter housing.
N
Fit the filter cover.
N
Insert the screws and tighten them
down firmly.
Operating Instructions
Replacing the Air Filter