Makita PM7650H Instruction Manual

Also see for PM7650H: Owner's and safety manual Instruction manual Technical information Owner's and safety manual

Contents

Makita PM7650H Instruction Manual Manual pdf 28 page image

28TROUBLESHOOTINGBefore making a request for repairs, check a trouble for yourself. If any abnormality is found, control your machine according to the descriptionof this manual. Never tamper or dismount any part contrary to the description. For repairs, contact Authorized Service Agent or local dealership.State of abnormality Probable cause (malfunction) RemedyEngine does not start Failure to operate primer pump Push 7 to 10 times.Low pulling speed of starter rope Pull strongly.Lack of fuel Feed fuel.Clogged fuel filter CleanBent fuel tube Straighten fuel tubeDeteriorated fuel Deteriorated fuel makes starting more difficult.Replace with new one. (Recommended replacement: 1 month)Excessive suction of fuel Set throttle lever from medium speed to high speed, and pullstarter handle until engine starts.If engine will not start still, remove spark plug, make electrodedry, and reassemble them as they originally are. Then, start asspecified.Detached plug cap Attach securelyContaminated spark plug CleanAbnormal clearance of spark plug Adjust clearanceOther abnormality of spark plug ReplaceAbnormal carburetor Make request for inspection and maintenance.Starter rope cannot be pulled Make request for inspection and maintenance.Abnormal drive system Make request for inspection and maintenance.Engine stops soonEngine speed does not increaseInsufficient warm-up Perform warm-up operationChoke lever is set to “CLOSE” althoughengine is warmed upSet to “OPEN”Clogged fuel filter CleanContaminated or clogged air cleaner CleanAbnormal carburetor Make request for inspection and maintenance.Abnormal drive system Make request for inspection and maintenance.Detached throttle wire Attach securelyEngine does not stopRun engine at idling, and setchoke lever to CLOSE.Detached connector Attach securelyAbnormal electric system Make request for inspection and maintenance.When the engine does not start after warm-up operation:If there is no abnormality found for the check items, open the throttle by about 1/3 and start the engine.