29
FIG. 28 – AIR FILTER CLEANING
FIG. 27 – FUEL FILTER CLEANING
13.2.3)
Air filter cleaning
(Ref. to Fig. 28)
– Manually remove the holding screws of the air cleaner
cup.
– Remove the filter element.
– Wash the filter element in detergent and water and dry
it thoroughly.
– Reassemble all parts.
Operating in dusty condition may require more frequent
maintenance than above.
Do not operate the engine with air filter removed.
13.2) ROUTINE ENGINE MAINTENANCE
13.2.1) Fuel tank cap
A breather passage is incorporated in the tank cap.
If this passage is clogged, the fuel will not flow into the
carburetor, causing problems with starting or running
the engine. At the same time, make sure that the base
of the breather assembly is fitted firmly into the groove
inside the tank cap, as shown.
Every 20 hours of operating
13.2.2)
Fuel filter cleaning
(Ref. to Fig. 27)
– Pick the grommet out of the fuel tank and remove the fuel filter assembly from the fuel tank
together with the grommet and the fuel tube to keep dust, entering from the fuel filter.
– Clean the fuel filter assembly in a bath of high flash-point solvent.
– Dry the fuel filter assembly before reassemble.
Improper use of solvents can result in fire or explosion.
Tube
Grommet
Filter
Fuel tank
Transparent
overflow tube
Sfiato
Tappo
Serbatoio
Gancio
Membrana
Tank cap
Breather
assembly
Fuel tank
Breather
Breather
passage