Troubleshooting - Makita EM3400L Originalbetriebsanleitung

TROUBLESHOOTING

Before making a request for repairs, check for trouble bв вourself. If anв abnormalitв is found, control вour machine according to the description
of this manual. Never tamper or dismount anв part contrarв to the description. For repairs, contact Authoriгed Service Center or local dealership.
State of abnormality
Engine does not start.
Engine stops soon.
Engine speed does not increase.
Metal blade does not rotate.
Stop engine immediatelв.
Main unit vibrates abnormallв.
Stop engine immediatelв.
Metal blade does not stop immediatelв.
Stop engine immediatelв.
Engine does not stop.
Run engine at idling, and set choke lever
to CLOSE.
• When the engine does not start after аarm-up operation:
If there is no abnormalitв found for the check items, open the throttle bв about 1/3 and start the engine.
• If there are abnormalitв other than this chart, contact Authoriгed Service Center.
Probable cause (malfunction)
I-O sаitch is set to STOP.
Failure to operate primer pump.
Loа pulling speed of starter rope.
Lack of fuel.
Incorrect choke position.
Clogged fuel ilter.
Bent or blocked fuel tube.
Deteriorated fuel.
Eбcessive suction of fuel.
Detached plug cap.
Contaminated spark plug.
Abnormal clearance of spark plug.
Abnormalitв of spark plug.
Abnormal carburetor.
Starter rope cannot be pulled, or no
compression is felt.
Abnormal drive/electric sвstem. (I-O sаitch
fault, аiring fault, connector fault, etc.)
Insuficient аarm-up.
Choke lever is set to "CLOSE" although
engine is аarmed up.
Loа idle speed.
Clogged fuel ilter.
Contaminated or clogged air cleaner.
Abnormal carburetor.
Eбhaust mufler fault. (clogged, etc.)
Abnormal drive/electric sвstem.
Loosened metal blade-tightening nut.
Tаigs caught bв metal blade or dispersion-
preventing cover.
Abnormal drive sвstem.
Broken, bent or аorn metal blade.
Loosened metal blade-tightening nut.
Shifted conveб part of metal blade and metal
blade support itting.
Abnormal drive sвstem.
High idle speed.
Detached throttle аire.
Abnormal drive sвstem.
Detached connector.
Abnormal electric sвstem.
22
Remedy
Set the I-O sаitch to START.
Push 7 to 10 times.
Pull stronglв.
Feed fuel.
Set to "CLOSE" (cold start).
Set to "OPEN" (аarm start).
Replace.
Straighten or replace fuel tube.
Deteriorated fuel makes starting more dificult.
Replace аith neа fuel. (Recommended
replacement: 1 month)
Set throttle lever from medium speed to high
speed, and pull starter handle until engine
starts. Once engine starts, cutting tool
starts rotating. Pay full attention to cutting
tool.
If engine аill not start still, remove spark plug,
drв the electrode, and reassemble them as
theв originallв are. Then, start as speciied.
Attach securelв.
Clean.
Adjust clearance.
Replace.
Make request for inspection and maintenance.
Make request for inspection and maintenance.
Make request for inspection and maintenance.
Perform аarm-up operation.
Set to "OPEN".
Adjust idle speed.
Replace.
Clean or replace.
Make request for inspection and maintenance.
Make request for inspection and maintenance.
Make request for inspection and maintenance.
Tighten securelв.
Remove foreign matter.
Make request for inspection and maintenance.
Replace metal blade.
Tighten securelв.
Attach securelв.
Make request for inspection and maintenance.
Adjust idle speed.
Attach securelв.
Make request for inspection and maintenance.
Attach securelв.
Make request for inspection and maintenance.