Robin FL-H7500 - 6. RECOIL STARTER; 1) Disassembly

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
3)Notice
①CleantheCARBURETORusingcleangasolinebeforedisassembly.
②Disassembleorreassemblereferringtothedealdrawing.
③DonotdisassembletheTHROTTLEVALVEASSYandPUMPBODYASSY.
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4)Disassemblyandreassemblyprocedure
①Removethescrew(PUMPCOVER)andthenthePRIMERPUMPCOVER.Removedustclearlyfrom
thePRIMERPUMPifany.
②RemovethePUMPBODYASSYfromthebody(donotlettheSPRINGmissing).
RemovedustclearlyfromtheINLETSCREENifany.
③RemovetheJETfromthebody.
④RemovetheSCREW(THROTTLECOLLAR)andthenTHROTTLEVALVEASSYfromthebody.
⑤ReassembletheJETandSPRINGfirmlywhenreassemblingtheCARBURETOR.
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5)Checkingprocedure
①Cleanthebodyusinggasolineandblowitclearlywithcompressedair.
②TesttheJETfordustandcorrosion.Thedustneedscleaningandblowingwithcompressedair
andcorrosionreplacingwithnewone.(Note:ThenewJETshouldhavethesamenumberwiththat
oftheoldone.)
 ③TesttheGASKETSfordeformationandbreakage.Replacebadgasketswithnewonesifany.
 ④ThePUMP(DIAPHRAGM)shouldnotbehardenedordamaged.
⑤TheINLETVALVEandtheOUTLETVALVEshouldbeflatandnotbent.
⑥TheDIAPHRAGMASSYshouldbefreeofanyhardening,damageorbend.
⑦AftercleaningthePUMPBODYASSY,testitfordeformationoftheMETERINGLEVERandMETERING
 LEVERSPRING,heightoftheMETERINGLEVER,duststucktotheINLETSCREEN,andVALVEleakage,
 etc.TochecktheMAINCHECKVALVEforitscorrectoperation,placeavinylorrubberhoseat
 itsendontheCHECKVALVEportionfromtheJETsideandbreathitattheotherend.
  Ifyoucannotbreatheitandvalvecloseswhenyoubreatheitin,itworkscorrectly.Ifnot,
immerseitingasolineforabout10minutesandthenrepeattheproceduredescribedabove.
IftheVALVEcannotbefixedevenbydoingthis,replaceitwithanewPUMPBODYASSY.
(Note:DonotblowtheMAINCHECKVALVEwithcompressedair.Ifyouuseanairgun,keepit
about30cmawayfromthevalvewhenthecompressedairhasapressureof6kg/cm
2
).
⑧TestthePRIMERPUMPforanyhole,breakageandabnormalhardening.Makesurethatthe
COMBINATIONVALVEworkscorrectly.
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6)MarksonCARBURETOR
MarksarestampedontheCARBURETORasshownintherightfigure:
①ModelNo.
②Dateofmanufacture

Example)①：WYK260 
②：630(July24toJuly30,2006)
Week30 （whatweeknumberintheyear）
Lastdigitoftheyear