Dolmar MS290.4U - After use; Replacing the engine oil

20 ENGLISH
After use
• Cleantheexteriorofthemachineandinspectfor
any damage.
• Cleantheairlter.Whenworkingunderextremely
dustyconditions,cleanthelterseveraltimesa
day.
• Checkthecuttingtoolforanydamage.Alsobe
surethatitisrmlymounted.
• Checkthatthereissufcientdifferencebetween
idle and engagement speed. Be sure that the
cutting tool is at a standstill while the engine is in
idle.
Replacing the engine oil
CAUTION: The engine main unit and engine
oil still remain hot after the engine is stopped.
When replacing the engine oil, make sure that the
engine main unit and engine oil are sufciently
cooled down. Otherwise, there may is a risk of
scalding.
CAUTION: If the oil lled above the limit,
it may become dirty or may catch re with white
smoke. Allow sufcient time after stopping
engine for the engine oil to return to the oil tank to
ensure accurate reading of the oil amount.
NOTICE: Never discard replaced engine oil in
garbage, on ground or in sewage. Disposal of oil is
regulatedbylaw.Alwaysfollowtherelevantlawsand
regulations. If there is anything you are unclear about,
contactourauthorizedservicecenter.
NOTICE: Oil will deteriorate even when it is
kept unused. Perform an inspection and replace-
mentatregularintervals(replacewithnewoilevery
6 months).
NOTICE: Deteriorated engine oil will shorten
the life of the engine parts badly. Be sure to check
the period and quantity of replacement.
Interval of replacement: Initially, after 20 operating
hours,andsubsequentlyevery50operatinghours
Recommended oil: SAE10W-30 oil of API
ClassicationSFClassorhigher(4-strokeengineoilfor
automobiles)
To replace the oil, perform the following procedures.
1. Conrmthatthefueltankcapistightened
securely.
2. Place a large container, such as a pan, under the
drain hole.
3. Removethedrainboltandthenremovetheoil
cap.
Be careful not to lose the gasket on the drain bolt.
Donotgetanyoftheremovedcomponentsdirty.
Thoroughly wipe off any oil on the drain bolt and gasket
using a cloth.
4. Drain the oil through from drain hole.
1
2
3
►1. Drain bolt 2. Gasket 3. Oil cap
Alternativemethod:Youcandraintheoilwithoutremov-
ingthedrainbolt.Removetheoilcapandtilttheengine
to drain the oil out.
5. Once all the oil is drained, combine the gasket and
the drain bolt and then tighten the drain bolt securely.
6. Placetheengineinalevelposition.Graduallyll
with new oil up to the upper limit mark.
1
►1. Upper limit mark
7. Tighten the oil cap securely.
CAUTION: Be sure that the drain bolt and oil
cap are securely tightened.Aloosetmaycause
an oil leak.