How To Clean The Air Filters; How To Check The Muffler; How To Check The Spark Plugs; Check The Fuel Filter - Craftsman 502.255193 Owner's Manual

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HOW TO CLEAN THE AIR FILTERS
Some engines have two filters, an outer foam filter around an inner
paper filter. Clean the air filters every 50 hours. If you operate in
dirty conditions, service more often
NOTE: Never run the engine with the air filters re moved_ The a ir
filters will help protect the engine against wear° For the correct
replacement filter, see the parts list for the engine°
1, Remove the two wingnuts from the cover,
2 Remove the cover from the air cleaner°
3o Remove the two nuts from the filterso
4_ Remove the filters°
5,, Clean the inside of the base and the cover with a cloth.
6. Remove the foam filter, (if equipped ), from the paper
filter_
7o If equipped, wash the foam filter in a detergent and water
solution. To remove the water solution, tightly roll the foam
filter in a dry cloth Remove the foam filter from the cloth,.
Completely dry the foam filter
CAUTION: Do not wash the filters in gasoline or other
solvents that will burn.
8 Evenly apply S, AE 30W oil to the dry foam filter
9 To clean the paper filter, lightly tap the paper filter against a
hard flat surface,,
10° If the paper filter is very dirty, replace the filter,,
11_ Assemble the air filters with the two nuts
12, Install the cover. Fasten the cover with the two wingnuts.
HOW TO CHECK THE MUFFLER
Check the muffler every 50 hours. Make sure the muffler is correctly
mounted and is not loose, If the muffler is worn or burnt, replace
with a new muffler. A worn muffler is a fire hazard and also can
damage the engine
If you mount a spark arrestor to the muffler, also check the spark
arrestor when you check the muffler:, If the spark arrestor is worn or
damaged, replace it with a new spark arrestor.
HOW TO CHECK THE SPARK PLUG
1. Check the gap of the spark plug with a feeler gauge. The
correct gap is 0,030",
2, For easy starting and good performance, replace the spark
plug every two years,
CHECK THE FUEL FILTER
NOTE: Before you replace the fuel filter or the fuel line, the fuel
tank must be empty°
If the fuel filter is ditty, the engine will run rough and have iess
performance° Remove the old filter. Replace the old filter with a
new filter,, Use a factory replacement part
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