Honda HA4118H38A Owner's Manual page 120

ADDITIONAL INFORMATION
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. A spark arrester must be
inspected, cleaned every 100 hours of operation.
Park the lawn tractor on a flat, level surface. Set the parking brake ON
and remove the ignition key. If the engine has been running, the
muffler will be very hot. Allow the muffler to cool before servicing the
spark arrester.
1. Remove the front lift link (page 84).
2.
3.
4.
EXHAUST DEFLECTOR
SHIELD
Remove the four bolts from
the
muffler shield, then remove the four
special screws from the muffler. Remove the exhaust deflector and
arrester screen.
Inspect the screen and use a wire brush to clean any debris or
deposits. Replace the screen if it is bent, damaged or if the screen
has any holes.
Installation is the reverse of removal.
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