3.6.
Air filter check.
Ensure that the assembly of the air filter is correct. Never run the water pump without the
air filter or with a damaged air filter.
3.6.1.
A dirty air filter will restrict air flow to the carburetor, reduce engine performance and
thereby reduce the water pump performance. For this reason, it is important to check the air
filter regularly.
3.6.2.
The images on following page are representative of the models there may be differences
but the removal and cleaning process is a common approach to each model.
3.6.3.
Undo air filter cover Allen screw/wing nut (1) and remove cover.
3.6.4.
Remove air filter cartridge (2).
3.6.5.
Remove, inspect and clean foam element (3) all models. Clean by washing in warm soapy
water, rinse with fresh water and allow to dry fully, soak it in clean engine oil until it has
saturated and then squeeze out excess oil before refitting. Replace damaged foam filter
elements.
3.6.6.
Paper elements must be have all dust and dirt blown out using a low pressure airline.
Replace damaged paper filter elements.
3.6.7.
Clean the lower body of the air filter, housing and rubber cushions. It is important to
prevent dust from entering into the path of the oil carburetor.
Rev 6 - 10/11/2015
