7
lCheck everybolt, nutorscrewed area fortightness. Loosenedduetovibration may resultin
unexpectedlyserioustrouble. Besuretotightenanyscrewedarea.
lRemovedirt and dust. Particularlyclean the vicinityofrecoil starterand foot.
Operation
Starting up forPetrol engine
1.Open the fuelshut-offvalvebymovingthe fuelcock leveltothe open position.
2.Set theengine ON/OFF switchtothe “ON”position.
3.Gripthe recoil starterhandleandpull ituntil you feelslightresistance.Thenpull sharplyand
quickly. Returnthe recoil starterhandletothe startercasebeforereleasing.
4.Gripthe recoil starterhandleandpull italittletofeelaslightresistance.Thenpull itpowerfully
fromthere.Toreleasethe handledonot releaseit at the position whereithasbeen pulled to, but
releaseit afterreturningcloselytothestartercase.
5.Ifthe engine hasstarted,whilelisteningtoexplosion sounds,returnthe chokeleverslowlyto
full-open position.Besuretoperformawarm-uprun forthe period 3to5minutesatlowspeed,
whilepayingcarefulattentiontogasleakageorabnormalsound.
6.Ifitisdifficulttostartthe engine byrepeatedlypullingthe starterrope,removeignition plugand
check thesparkingperformance. Iftheplugiswet due toexcessivefuelintakeorsoiled,replace
the coil orclean sufficientlytoitsinternals.Withthe ignition plugremoved,pullthe recoil starter
handle2-3timestodischargeexcessiveblended gas.
Starting up formachine
1.Turningthechokeleveltoopenthechoke.Running the engine for5minutesatlowspeed to
warmthe engine.
2.Movethe throttlelevelquicklytothe “FULLOPEN”position.DONOTmovethe throttlelevel
slowlyasthismaycausedamagetothe clutchorspring.
Caution: Makesurethatthe throttleleverismoved tothe FULLOPENposition.Operatingthe
rammerat less than full speedscan result indamage tothe clutchspringsorfoot.
3.Afterstartingtotampingaction,adjuststhe jumpingmotion tosuitparticularsoil condition by
lightlycontrollingthe throttlelever.When the enginespeed fallsbetween the setvaluesshown
on theengine,yourworkcan becarried outatthebestefficiently.Increasingtheengine speed
unnecessarily,doesnotcausethecompaction forcetoincrease.Onthecontrary,aresultant
resonancecausesthe compaction forcetodecrease, damagingthe machine.
4.Undercoldweather,the oil inthe machine being viscous,resistanceatreciprocating partis
greatercausingthetampingrammertoperformsomewhatirregularmovement. Therefore,itis
recommended toperformwarm-uprun whilemovingthe throttleleverrepeatedlybetween ON
and OFF positions, beforeenteringthe work.
5.Soil contactingsurfaceofthe footislined withheat-treatedmetalsheetforextrastrength.
However,forcompactingcobblestone,usethefilling-upsoil forexamplesothatthe foot hitsthe
soil uniformly.
6.Thetampingrammerhasbeen designedtoadvancewhilejumping.Forquickeradvance,erect
the machine bypushingitshandledownslightlysothatflatsurfaceofthe footatitsrear-end
contactstheground.
7.Tostopthe tampingaction, movethrottleleverquicklyfromthe FULLOPENtoIDLEposition.
