5.CARBURETORDISASSEMBLYANDREASSEMBLY
ThisengineisequippedwithadiaphragmtypeCARBURETOR.
1)Functionandstructureofthediaphragmsystem.
Sincethefuelleveliskeptconstant,inspiteofanytiltangleoftheengine,itcanbeoperatedat
anyposition.Thefloatchamberisprovidedwithadiaphragmandcoveredbyacover.Negativepressure
intheairintakepassagecausesthediaphragmtoswellupwardandtherebypushingupthehingetoopen
thevalve.Uponthedisappearanceofthenegativepressure,thevalveisclosedbythespringpressure.
Thenthefuelflowratecanbecontrolledbymarkinganappropriatedeterminationofthediaphragmarea
andspringpressure.
2)Disassemblyandreassembly