Dolmar MS-252 - Page 5

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Method of operation
Only use the Brush cutter/String trimmer in good light and visibility. During the –
winterseasonbewareofslipperyorwetareas,iceandsnow(riskofslipping).
Always ensure a safe footing.
Nevercutabovewaistheight. –
NeverstandonaladderandruntheBrushcutter/Stringtrimmer. –
NeverclimbupintotreestoperformcuttingoperationwiththeBrushcutter/String –
trimmer.
Neverworkonunstablesurfaces. –
Removesand,stones,nailsetc.foundwithintheworkingrange. –
Foreign particles may damage the cutting tool and can cause dangerous kick-
backs.
Beforecommencingcutting,thecuttingtoolmusthavereachedfullworking –
speed.
Ifgrassorbranchesgetcaughtbetweenthecuttingtoolandguard,alwaysstop –
the engine before cleaning. Otherwise unintentional blade rotation may cause
seriousinjury.
Take a rest to prevent loss of control caused by fatigue. We recommend to take a –
10 to 20-minute rest every hour.
Caution:
Kickback
Diagrammatic
figure
Diagrammatic
figure
Kickback prevention
To avoid kickbacks, observe the following:
Operationwithinabladesegmentbetween12and2o’clockpresentspositive –
hazards,especiallywhenusingmetalcuttingtools.
Cuttingoperationswithinabladesegmentbetween11and12o’clock,and –
between2and5o’clock,mustonlybeperformedbytrainedandexperienced
operators,andthenonlyattheirownrisk.
Easy cutting with almost no kickback is possible within a blade segment between
8and11o’clock.
Cutting Tools
Employonlythecorrectcuttingtoolforthejobinhand.
MS252withcutterblade(StarBlade(4teeth),EddyBlade(8teeth)),MS253with
Nyloncuttinghead.
Neveruseotherbladesincludingmetalmultipiecepivotingchainsandflailblades.
Otherwiseseriousinjurymayresult.
Forcuttingthickmaterials,suchasweed,highgrass,bushes,shrubs,underwood,
thicket etc. (max. 2 cm dia. thickness). Perform this cutting work by swinging the
brush cutter evenly in half-circles from right to left (similar to using a scythe).
Maintenance instructions
Haveyourequipmentservicedbyourauthorizedservicecenter,alwaysusing –
only genuine replacement parts. Incorrect repair and poor maintenance can
shorten the life of the equipment and increase the risk of accidents.
Theconditionofthecutter,inparticularofthecuttingtooloftheprotectivedevices –
and also of the shoulder strap must be checked before commencing work.
Particular attention is to be paid to the cutting blades which must be correctly
sharpened.
Turn off the engine and remove spark plug connector when replacing or –
sharpeningcuttingtools,andalsowhencleaningthecutterorcuttingtool.
Kickback (blade thrust)
Whenoperatingthebrushcutter,uncontrolledkickbackmayoccur. –
This is particularly the case when attempting to cut within a blade segment –
between12and2o’clock.
Neverapplythebrushcutterwithinasegmentbetween12and2o’clock. –
Neverapplythissegmentofthebrushcutterbladetosolids,suchasbushes –
andtrees,etc.,havingadiameterinexcessof3cmorthebrushcutterwillbe
deflectedatgreatforcewiththeriskofinjuries.
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