English-42MAINTENANCEAir filter maintenanceIf the engine seems weak or runs unevenly,the air filter may be clogged. If running with adirty air filter, the spark plugs can becomefouled.For this reason, it is important to replace the airfilter regularly (see the heading MaintenanceSchedule for the proper service interval).Cleaning/replacing the air filter is carried outas follows:Dust capCheck the dust cap every day by pressing therubber valve with two fingers to let out thedirt.Clean the dust cap by removing the endcover of the the air cleaner and clean inside.WARNING!The engine and the exhaustsystem, become very hot duringoperation.Risk for burns if touched.Allow engine and exhaustsystem to cool at least two (2)minutes before refueling.IMPORTANT INFORMATIONDo not used compressed air to clean theair filter.Do not wash the paper filter.Do not oil the paper filter.8011-447Pressing the rubber valveIMPORTANT INFORMATIONThe end cover must be installed with therubber valve pointing downwards,otherwise the rubber valve will notfunction.8011-448Removing the end cover