Part III Maintenance
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3-3 Maintenance of air filter
Air inflow will be affected and the power of engine will be reduced after the filter element of the air filter gets
dirty. If the operation area is full of dust, the maintenance shall be conducted more frequently.
No filter cartridge or use of damaged filter cartridge may cause dusts to enter the engine and
then cause the rapid erosion of the engine.
Dual-filter cartridge air filter
1) Open the clip and remove the air filter cover.
2)
Check the filter cartridge and replace it if it is damaged. Paper filter cartridge can usually replaced at the
interval of maintenance schedule.
Clean the paper filter cartridge:
Slightly tap the filter cartridge for several times and then blow from inside to outside with the compressed air
of the pressure not exceeding 207 KPa. Never brush the paper filter cartridge with brushes; otherwise, it may
block the air vent hole.
3) Clean the base, housing lid, cushion, etc. of the air filter and prevent dusts entering the air inlet to the
carburetor.
4) Install the filter cartridge well.
5) Install the air filter cover and fasten the clip.
Filter cartridge
Filter cartridge
Air filter cover
Air filter cover
Filter cartridge
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