Makita BBX7600 Instruction Manual download pdf (Page 19)

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.

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

Engine does not start

Abnormal drive system Make request for inspection and maintenance

Insufficient warm-up Perform warm-up operation

Choke lever is set to “CLOSE” although engine

is warmed up

Set to “OPEN”

Clogged fuel filter Clean

Contaminated or clogged air cleaner Clean

Abnormal carburetor Make request for inspection and maintenance

Abnormal drive system Make request for inspection and maintenance

Detached throttle wire Attach securely

Engine stops soon

Engine speed does not increase

Detached connector Attach securely

Abnormal electric system Make request for inspection and maintenance.

Engine does not stop.

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.

Run engine at idling, and set choke

lever to CLOSE.

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Makita BBX7600 Instruction Manual Page 19

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