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MAINTENANCE
HOW TO CLEAN THE AIR FILTERS
Some engines have two filters, an outer foaro 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 removed The air
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
3 Remove the two nuts from the filters
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
7 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 applySAE 30Woil to the dry foam filter
9 To clean the paper filter tightly tap the paper filter againsta
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 twowingnuts
Cover
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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 wotn or burnt replace
with a new muffler Aworn muffler isa fire hazard and also can
damage the engine
If you mount s 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 See your nearest
authorized service dealer for' a 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
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