The lawn mower air filter maintenance is very important for the normal operation and service life of the engine. We need adopt the correct maintenance method according to different type of air filters.
There are three types of small engine air filter in current market: The paper filter , The foam filter, the dual elementfilter. (Outerside is foam, inner is paper filter)
1. Paper filter maintenance
Gently tap the air filter on a flat ground or desktop, remove surface dust and dirt. then use a soft brush to remove dust gently along the paper pleats. if the paper filter is dirty, replaced by a new paper filter element. Please note paper air filter can not be cleaned with water.
2. Foam filter maintenance
Soak the foam filter in clean engine oil. Then take the filter out, grip the foam air filter with a clean cloth, Squeeze out the excess oil until no oil dripping. if too much oil left will lead to insufficient engine intake, black smoke and other issues.
3. Dual-elementfiltermaintenance (foam filter outerside, paper filter inside)
Removed the foam filter from the air filter element, separate the foam filter and paper filter.
The foam filter element can be cleaned and reused. Washing it in clean water. Then left to dry naturally. Do not add oil to this foam filter for this dual element filter element.
Next step is remove the dust on the filter paper. take the paper filter tap on the hard ground gently to blow the surface dust and dirt. Then use a soft brush to remove dust gently along the paper pleats If the paper filter is very dirty, should be replaced with a new filter element, please do not use water to clean.
Finally put the dry foam filter over the paper filter, the maintenance finished.
Please check your air filter regularly (every 25 hours).
Under normal circumstances, After every 100 hours need to replace the new paper filter. If your engine works for a long time in the dust, the replacement should be more frequent.