Dolmar MS-252 - Resharpening the Cutting Tool

Run the engine for approximately one minute at a moderate speed before applying full throttle. –
Note:
Ifthestarterhandleispulledrepeatedlywhenthechokeleverremainsat“ –
”position,theenginewillnotstarteasilydueto
excessive fuel intake.
Incaseofexcessivefuelintake,removethesparkplugandpullthestarterhandleslowlytoremoveexcessfuel.Also,drytheelectrode –
section of the spark plug.
Caution during operation:
Ifthethrottleleverisopenedfullyinanoloadoperation,theenginerotationisincreasedto10,000min
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ormore.Neveroperatetheengineata
higherspeedthanrequiredandatanapproximatespeedof6,0008,000min
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.
Starting the warm engine
Sameasabove,exceptwithoutmovingthechokelever(chokeleverremainsintheposition“ –
”).
RESHARPENING THE CUTTING TOOL
STOPPING
Releasethethrottlelever(6)fully,andwhentheenginerpmhaslowered,push –
theIOswitch(1)to“O”positiontheenginewillnowstop.
Be aware that the cutting head may not stop immediately and allow it to slow –
down fully.
CAUTION: Thecuttingtoolsmentionedbelowmustonlyberesharpenedbyan
authorizedfacility.Manualresharpeningwillresultinimbalancesofthe
cutting tool causing vibrations and damage to the equipment.
cutterblade(starblade(4teeth),eddyblade(8teeth)) –
AnexpertresharpeningandbalancingserviceisprovidedbyAuthorizedService
Agents.
NOTE: Toincreasetheservicelifeofthecutterblade(starblade,eddyblade)it
maybeturnedoveronce,untilbothcuttingedgeshavebecomeblunt.
ADJUSTMENT OF LOW-SPEED ROTATION (IDLING)
Thecutterbladeorthenyloncuttingheadshouldnotrunwhenthecontrolleverisfullyreleased.Ifnecessary,adjusttheidlerpmusingtheidle
adjustingscrew.
Checking the Idling speed
Idlespeedshouldbesetto2,600min –
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.
If necessary correct it by means of the idle screw (the blade or the nylon cutting
head must not turn when the engine is on idle).
Screwinginthescrew(1)willcauseanincreaseintheenginespeed,whereas
backing off the screw will reduce the engine speed.
Slow High
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