28
a)
Disassembly and assembly of carburetor:
Before assembling the carburetor, the fuel drain bolt must be unscrewed to drain off
the fuel inside.
No Open Flames.
Before assembly, check the wear of fuel feeding needle valve, fuel feeding needle valve
seat and fuel feeding needle valve spring
Fuel cup bolt (fastening bolt,
check whether the gasoline
leaks)
Float chamber (face the oil drain
bolt to choke switch during
installation)
Electron magnetic valve
Float chamber seal gasket
Float (After installation, press gently with
fingers to check whether the float can
move smoothly.)
Float pin
Main metering jet
Fuel feeding needle
valve
Master nozzle
Carburetor main body (clean
thoroughly with compressed air
before installation)
Adjusting screw spring
of idle mixing ratio
Float valve seat
Damaged
Normal
Float valve