Honda Harmony H2013HDA Owner's Manual page 131

SPARK ARRESTER SERVICE (optional part)
The spark arrester is not standard on your lawn tractor, but may be
required for legal operation in some areas. If a spark arrester is
installed on your lawn tractor, it should be inspected, cleaned and
replaced if necessary.
pEiE-j
The spark arrester must be serviced every 100 hours to maintain its
efficiency.
If the engine has been running, the muffler will be very hot. Allow the
muffler to cool before servicing the spark arrester.
1.
2.
3.
4.
Locate the muffler and spark arrester on
the front of the lawn tractor. Remove the
hold-down screw holding the spark
arrester to the muffler, then remove the
spark arrester.
Remove the single screw holding the
two parts of the spark arrester together.
Use a brush to remove carbon deposits
from the spark arrester screen, Inspect
the spark arrester screen for holes or
tears. Replace it if it is damaged.
Reinstall all parts in the reverse order of
removal.
'128