Troubleshooting - Makita BHX2500 Instruction Manual

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 A uthorized Service A gent or local dealership.
State of abnormality
Engine does not start
Engine stops soon
Engine speed does not increase
Engine does not stop.
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.
Probable cause (malfunction)
Failure to operate primer pump
Low pulling speed of starter rope
Lack of fuel
Clogged fuel filter
Broken fuel tube
Deteriorated fuel
Excessive suction of fuel
Detached plug cap
Contaminated spark plug
Abnormal clearance of spark plug
Other abnormality of spark plug
Abnormal carburetor
Starter rope cannot be pulled
Abnormal drive system
Insufficient warm-­up
Choke lever is set to "CLOSE" although engine
is warmed up
Clogged fuel filter
Contaminated or clogged air cleaner
Abnormal carburetor
Abnormal drive system
Detached throttle wire
Abnormal drive system
Detached connector
Abnormal electric system
18
Remedy
Push 7 to 10 times.
Pull strongly.
Feed fuel.
Clean
Straighten fuel tube
Deteriorated fuel makes starting more difficult.
Replace with new one. (Recommended re-
placement: 1 month)
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 specified.
Attach securely
Clean
Adjust clearance
Replace
Make request for inspection and maintenance.
Make request for inspection and maintenance
Make request for inspection and maintenance
Perform warm-up operation
Set to "OPEN"
Clean
Clean
Make request for inspection and maintenance
Make request for inspection and maintenance
Attach securely
Make request for inspection and maintenance
Attach securely
Make request for inspection and maintenance.