Dolmar PB-252.4 Manuel d'instructions télécharger pdf (Page 18)

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.

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.

State of abnormality Probable cause (malfunction) Remedy

Engine 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 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.

Abnormal drive system Make request for inspection and maintenance.

Engine stops soon

Engine speed does not increase

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

Abnormal drive system Make request for inspection and maintenance.

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.

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Dolmar PB-252.4 Manuel d'instructions Page 18

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