28
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
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.
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.
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
Summary of Contents for EBH340U
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