Troubleshooting - Makita EBH340U 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 Authorized Service Agent or local dealership.
State of abnormality
Engine does not start
Engine stops soon
Engine speed does
not increase
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
Insufficient 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
Push 7 to 10 times.
Pull strongly.
Feed fuel.
Clean
Straighten fuel tube
Deteriorated fuel makes starting more
difficult. Replace with new one.
(Recommended replacement: 1 month)
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.
If engine will not start still, remove spark
plug, make electrode dry, and reassemble
them as they originally are. Then, start as
specified.
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
28
Remedy