36
4.7 Fuel hose/ Fuel pump/Diaphragm tube
Caution
■ Gasoline is highly flammable and explosive. You can be burned or seriously injured when
handling fuel. Keep heat, sparks, and flame away. Wipe up spills immediately.
1) Drain the fuel from the tank and carburetor, and then remove the following parts.
―Rear cover
―Front cover and control panel
―Right/Left side cover
2) Check the fuel tube for deterioration, cracks and gasoline leakage. If there is any abnormality in
the fuel tube, replace the tube.
3) Check the diaphragm tube for deterioration, crack and gasoline leakage. If there is any
abnormality in the diaphragm tube, replace the tube.
4) Check to see whether water or foreign material has been accumulated in the fuel pump.
If there is water or foreign material accumulated in the pump, replace the fuel pump.
5) Check the fuel switch and fuel duct, blow away any foreign matter with compressed air with fuel
switch turned on.
6) After assembly, check for gasoline leakage from each component.
油箱
至负压口
至化油器
油管
燃油真空泵
油开关
负压管
油管
Fuel pump
Fuel tube
Diaphragm tube
to Carburetor
to pressure port
Fuel switch
Fuel tube
Fuel tank