!IRIüLTERü&IG

4HEHAIR üLTERR L AND CLEANER SPONGE  MUSTCBE CLEANEDA FROM DUSTDANDSDIRTTIN ORDERETO AVOID

oo#ARBURETOR MALFUNCTIONS oo3TARTING PROBLEMS oo%NGINE POWER REDUCTION oo5NNECESSARYCWEARAON THE ENGINEHPARTSS oo!BNORMALAFUEL CONSUMPTION

#LEANETHENAIRTüLTER DAILYROR MOREEOFTENFIF WORKING INNEXCEPTIONALLY DUSTYSAREAS

&OR #3%4

2EMOVEETHETAIREüLTERICOVER  AIR üLTER  RANDüTHETCLEANER SPONGEO   

./4%

7HEN REMOVING THE AIR üLTER  RFROM THE UNIT TURNNTHETAIREüLTERE THCOUNTERCLOCKWISEI#3%4

&OR #3%!

2EMOVEETHETAIREüLTERICOVER  ANDPULL THE TAB  LON THE AIRRüLTERL  

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7HEN INSTALLINGSTHEAAIRLüLTERG ONETHEAUNIT PLEASE TAKEETHE FOLLOWING STEPS

 3ETETHE HOLE  HON THE AIR üLTER TOOTHE BOSS  AüRST

 &ITITHE INSTALLING HOLET ONITHEGAIRHüLTEREON THE PARTT ON THEN REARAHANDLEA0USHSTHE AIRHüLTERADOWN TILLTYOU HEARHTHEACLICK

#LEANING THE AIR üLTER

2EMOVEETHETAIREüLTERICOVER  ANDTHE üLTERD H ü









 

 

#3%4

 



 

 

 

 





 

 





 

 



 

#3%!



 

 

 

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./4%

7HEN REMOVING THE üLTER FROM THE UNIT TURNNTHETüLTER LTURNNTO COUNTERCLOCKWISE

2INSENTHEM INTWARMMSOAP SUDS #HECKKTHAT THE üLTER ISEDRYüBEFOREE REASSEMBLY!N AIR üLTER THATüHASTBEEN USEDHFOR SOMESTIME CANNOTT BE CLEANED COMPLETELY4HEREFORE IT MUST REGULARLY BE REPLACED WITHI AANEWWONE ! DAMAGED üLTER MUSTGALWAYS BE REPLACED

%NGLISH

3PARKKPLUG &IG

4HEHSPARKSPLUG CONDITION ISGINČUENCEDDBY oo!N INCORRECTCCARBURETOR SETTING oo7RONGNFUEL MIXTUREETOO MUCHHOILOIN THE GASOLINE oo!!DIRTY AIR üLTER

oo(ARDDRUNNING CONDITIONSOSUCHHAS COLD WEATHER 

4HESEEFACTORSSCAUSEADEPOSITS ONETHEOSPARKK

PLUG ELECTRODES EWHICHHMAYYRESULTUIN MALFUNCTION AND STARTING DIFüCULTIES )FTTHEEENGINE ISFLOWWON POWERDIFüCULT TOCSTARTTORRRUNSN POORLY AT IDLING SPEED IALWAYS CHECKKTHETSPARK PLUG üRST )FPTHEE SPARKAPLUG ISPDIRTY CLEANLIT AND CHECKKTHETELECTRODEDGAP2EADJUST IF NECESSARY4HEHCORRECTCGAP IS I MM 4HEHSPARKSPLUGG SHOULD BELREPLACEDAAFTERDABOUTFOPERATIONRHOURSIOR EARLIER IFFTHET ELECTRODES AREEBADLYAERODED

” MM

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./4%

)N SOMESAREAS LOCAL LAWWREQUIRES USING A RESISTORSSPARKRPLUG TOO SUPPRESSSIGNITION SIGNALSO)F THISIMACHINE WAS ORIGINALLY EQUIPPEDE WITH RESISTORSSPARKRPLUG USEUSAME TYPEAOF SPARK PLUGEFOR REPLACEMENT

/ILERLPORTT&IG

#LEANETHENCHAIN OILER PORTT WHENEVER POSSIBLE



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'UIDEIBARE&IG

"EFOREEUSINGSTHENMACHINE NCLEAN THELGROOVEEANDAOILER PORTT IN THEHBAR WITH THE SPECIAL GAUGE OFFERED AS AN OPTIONAL ACCESSORY



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Image 13
Hitachi Koki USA CS33ET, CS33EA manual 3PARKKPLUG &IG, 4HESEEFACTORSSCAUSEADEPOSITS Onetheosparkk, Ilerlportt&Ig