Makita EY2650H Manuel D'emploi Et De Sécurité page 25

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TROUBLESHOOTING
Before making a request for repairs, check a trouble for yourself. If any abnormality is found, control your machine according to the description
of this manual. Never tamper or dismount any part contrary to the description. For repairs, contact Authorized Service Agent or local dealership.
State of abnormality
Engine does not start
Engine stops soon
Engine speed does not increase
Chain oil is not supplied.
Saw chain does not rotate
Stop engine immediately
The equipment vibrates abnormally
Stop engine immediately
Saw chain does not stop
Stop engine immediately
Engine does not stop
Run engine at idling, and set choke lever
to CLOSE
When the engine does not start after warm-up operation:
If there is no abnormality found for the checked items, open the throttle by about 1/3 and start the engine.
Probable cause (malfunction)
Failure to operate primer pump.
Low pulling speed of starter rope.
Lack of fuel.
Clogged fuel filter.
Disconnected fuel tube.
Bent fuel tube.
Deteriorated fuel.
Excessive suction of fuel.
Detached plug cap.
Contaminated spark plug.
Abnormal clearance of spark plug.
Other abnormality of spark plug.
Abnormal carburetor.
Starter rope cannot be pulled.
Abnormal drive system.
Insufficient warm-up.
Choke lever is set to "CLOSE" although
engine is warmed up.
Clogged fuel filter.
Contaminated or clogged air cleaner.
Abnormal carburetor.
Abnormal drive system.
The oil tank is empty.
The chain oil feed port is dirty.
The adjusting screw of the chain oil feed rate
is improperly set.
The guide bar is bent or damaged.
Foreign matter caught by saw chain.
Abnormal drive system.
Broken, bent or worn guide bar.
Loosened saw chain.
Abnormal drive system.
High idling rotation.
Throttle control wire problem.
Abnormal drive system.
Detached connector to the I-O switch.
Abnormal electric system.
25
Remedy
Push 7 to 10 times.
Pull strongly.
Feed fuel.
Clean it.
Connect fuel tube properly.
Straighten fuel tube.
Deteriorated fuel makes starting more difficult.
Replace with new fuel. (Recommended
replacement: 1 month).
Set throttle control to medium or high speed,
and pull starter handle until engine starts.
Once engine starts, saw chain starts rotating.
Pay full attention to saw chain.
If engine still does not start, remove spark
plug, dry the electrode, and reassemble
them as they originally were. Then, start as
specified.
Attach securely.
Clean it.
Adjust clearance.
Replace it.
Make request for inspection and maintenance.
Make request for inspection and maintenance.
Make request for inspection and maintenance.
Perform warm-up operation.
Set to "OPEN".
Clean it.
Clean it.
Make request for inspection and maintenance.
Make request for inspection and maintenance.
Fill the oil tank with chain oil.
Clean the chain oil feed port on the unit and
guide bar.
Set the adjusting screw properly.
Replace the guide bar.
Remove foreign matter while the engine
stopped.
Make request for inspection and maintenance.
Replace guide bar.
Adjust the saw chain tension.
Make request for inspection and maintenance.
Adjust idle speed.
Ask service center to replace it.
Make request for inspection and maintenance.
Attach securely.
Make request for inspection and maintenance.

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