Honda Harmony II HRT216PDA Owner's Manual page 38

MAINTENANCE
Air Cleaner Service
A dirty air filter restricts air flow to the carburetor, reducing engine
performance. If you operate the mower in very dusty areas, clean the
air filter more often than specified in the MAINTENANCE SCHEDULE.
NOTICE
Operating the engine without an air filter, or with a damaged filter, will
allow dirt to enter the engine, causing rapid engine wear. This type of
damage is not covered by the Distributor's Limited Warranty (page
52).
1. Press down on the cover tabs, then remove the cover. Remove the
filter and inspect it; if damaged, replace the filter.
2. Clean the filter by tapping the filter several times on a hard surface
to remove dirt, or blowing compressed air (not exceeding 30 psi
[207 kPa]) through the filter from the inside. Never try to brush off
dirt; brushing will force dirt into the fibers.
3. Wipe dirt from the inside of the air cleaner housing and cover,
using a moist rag. Be careful to prevent dirt from entering the air
duct that leads to the carburetor. Reinstall the filter and cover.
Flywheel Brake Lever Operation Inspection
Start the engine outdoors and move the throttle to FAST. Release the
flywheel brake lever; the engine should stop quickly. If it does not,
take your mower to an authorized Honda servicing dealer for repair.
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AIR CLEANER HOUSING
FILTER
COVER