Dolmar MS-252 - Storage

Whenthemachineisinstorageforalongtime,drainfuelfromthefueltankand –
carburetor,asfollows:Drainallfuelfromthefueltank.Disposeofproperlyandin
accordance with all local laws.
Remove the spark plug and a few drops of oil into the spark plug hole. –
Then,pullthestartergently,sothatoilcoverstheengineinsideandtightenthe
spark plug.
Cleardirtordustfromthecutterbladeandoutsideofengine,wipethemwitha –
oil-immersed cloth and keep the machine in a place as dry as possible.
Drain fuel
Humidity
Fault location
Fault System Observation Cause
Engine not starting
or with difficulty
Ignition system Ignition spark O.K. Faultinfuelsupplyorcompressionsystem,mechanicaldefect
Noignitionspark IOswitchoperated,wiringfaultorshortcircuit,sparkplugor
connectordefective,ignitionmodulefaulty
Fuel supply Fuel tank filled Incorrectchokeposition,carburetordefective,fuelsupplylinebent
orblocked,fueldirty
Compression Nocompression
when pulled over
Cylinderbottomgasketdefective,crankshaftsealsdamaged,
cylinder or piston rings defective or improper sealing of spark plug
Mechanical fault Starter not engaging Brokenstarterspring,brokenpartsinsideoftheengine
Warm start problems Tank filled ignition
spark existing
Carburetorcontaminated,mustbecleaned
Engine starts but
dies
Fuel supply Tank filled Incorrectidlingadjustment,carburetorcontaminated
Fueltankventdefective,fuelsupplylineinterrupted,cableorIO
switch faulty
Insufficient
performance
Several systems
may simultaneously
be affected
Engine idling poor Airfiltercontaminated,carburetorcontaminated,mufflerclogged,
exhaust duct in the cylinder clogged
Maintenance schedule
General Engineassembly,screwsandnuts Visual inspection for damage and tightness
Check for general condition and security
After each refuelling Control lever
I-O switch
Functional check
Functional check
Daily Air filter
Cooling air duct
Cutting tool
Idling speed
To be cleaned
To be cleaned
Check for damage and sharpness
Inspection (cutting tool must not move)
Weekly Spark plug
Muffler
Inspection,replaceifnecessary
Check and if necessary clean the opening
Quarterly Suction head
Fuel tank
To be replaced
To be cleaned
Shutting down procedure Fuel tank
Carburetor
Empty fuel tank
Operate until engine runs out of fuel
STORAGE
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