Makita BBX7600CA Troubleshooting, State of abnormality, Probable cause malfunction, Remedy

Models: BBX7600CA BBX7600

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TROUBLESHOOTING

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

Engine does not start

 

starts.

 

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” although

Set to “OPEN”

 

 

 

 

engine is warmed up

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Clogged fuel filter

Clean

Engine stops soon

 

 

Contaminated or clogged air cleaner

Clean

Engine speed does not increase

 

 

Abnormal carburetor

Make request for inspection and maintenance.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Abnormal drive system

Make request for inspection and maintenance.

 

 

 

 

 

 

 

 

 

 

Detached throttle wire

Attach securely

 

 

 

 

 

 

 

 

 

 

 

 

Engine does not stop.

Detached connector

Attach securely

 

 

 

 

Abnormal electric system

Make request for inspection and maintenance.

 

 

 

 

 

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 check items, open the throttle by about 1/3 and start the engine.

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Makita BBX7600CA instruction manual Troubleshooting, State of abnormality, Probable cause malfunction, Remedy