Makita EBH340U instruction manual Troubleshooting

Page 28

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

Probable cause (malfunction)

Remedy

 

 

 

 

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

Clean

 

 

 

 

Broken fuel tube

Straighten fuel tube

 

 

 

 

Deteriorated 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 pull starter handle until

 

 

engine starts. Once engine starts, cutter

 

 

blade starts rotating. Pay full attention

 

 

to cutter blade.

Engine does not start

 

If engine will not start still, remove spark

 

 

plug, make electrode dry, and reassemble

 

 

them as they originally are. Then, start as

 

 

specified.

 

 

 

 

Detached plug cap

Attach securely

 

 

 

 

Contaminated spark plug

Clean

 

 

 

 

Abnormal clearance of spark plug

Adjust clearance

 

 

 

 

Other abnormality of spark plug

Replace

 

 

 

 

Abnormal 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

 

 

 

 

Insufficient warm-up

Perform warm-up operation

 

 

 

 

Choke lever is set to “CLOSE”

Set to “OPEN”

 

although engine is warmed up

 

 

 

 

 

Engine stops soon

Clogged fuel filter

Clean

 

 

Contaminated or clogged air

 

Engine speed does

Clean

not increase

cleaner

 

 

Abnormal carburetor

Make request for inspection and

 

 

maintenance

 

 

 

 

Abnormal drive system

Make request for inspection and

 

 

maintenance

 

 

 

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Contents EBH340U Table of Contents Assembly of engine and shaftSymbols Safety Instructions General InstructionsIntended use of the machine Personal protective equipmentStarting up the brush cutter Refuelling MetersKickback Method of operationCutting Tools Maintenance instructions When asking for help, please give the following informationNever straighten or weld damaged cutting tools First AidTechnical Data EBH340UDesignation of Parts Assembly of Engine and Shaft Mounting of Handle Connection of Switch Cord Mounting of Control CableMounting of Protector Mounting of Cutter Blade Mounting of cutter bladePoint 1 in Replacement of Oil Oil Gauge Before Start of OperationInspection and Refill of Engine Oil If oil adheres around this tip, refill new oilPoint 2 in Replacement of Oil If oil spills out Handling of FuelStorage Period of Fuel FuelCorrect Handling of Machine Points in Operation and HOW to StopStarting Startup after warm-up operation Resharpening the Cutting Tool Adjustment of LOW-SPEED Rotation IdlingStopping Replacement of Engine OIL Servicing InstructionsPoints on OIL Cleaning of AIR Cleaner Points in Handling Air Cleaner ElementChecking the Spark Plug Supply of Grease to Gear CaseCleaning of Fuel Filter Replacement of Fuel PipeCleaning of Parts Replacement of Gaskets and PackingsStorage Fault location Before After Daily Troubleshooting Stop engine ImmediatelyRun engine at idling Set choke lever To CloseMemo Memo 885002-5