Troubleshooting - Hitachi Koki CG 25EUS Mode D'emploi

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TROUBLESHOOTING

Use the inspections in the table below if the tool does not operate
normally. If this does not remedy the problem, consult your dealer
or the Hitachi Authorized Service Center.
Condition
Fuel system
Engine does not start
Electrical
system
Other
Fuel system
Engine starts but cuts
out straightaway
Electrical
system
Engine is apt to cut
out
Other
Abnormal vibration
Engine is running but cutting
attachment does not move
Movement is poor
Engine does not stop
14
Cause
Fuel tank is empty or fuel level is low
Fuel tank contains old fuel (offensive odor)
Too much fuel is absorbed and spark plug is
wet
Fuel fi lter is clogged with dirt
Fuel pipe is bent or disconnected
Carburetor malfunction
Stop switch lead has short-circuited
Spark plug is dirty
Electrode gap is too big
Poor connection between high tension cable
and spark plug
Electrical system malfunction
Muffl er exhaust port is clogged with carbon
Fuel tank is empty or fuel level is low
Fuel tank contains old fuel (offensive odor)
Engine oil has not been added
Choke lever is in START position
Air has got into fuel system
Carburetor malfunction
Ignition failure
Spark plug failure
Electrical system failure
Engine overheating
Wrong spark plug model
Dirty air cleaner
Carbon clogging (muffl er exhaust port)
Insuffi cient compression (piston, piston ring,
cylinder)
Cutting attachment is not properly installed
Handle, handle bracket or other fastening part
is loose
Blade is bent or damaged
Grass is wrapped round gear case
Grass is wrapped round gear case
Stop switch failure
Remedy
Fill the fuel tank
Replace with new fuel
1. Disconnect the spark plug and allow to dry
2. Pull the starter handle 5 or 6 times to remove the
surplus fuel
3. Attach the spark plug
4. Set the choke lever to RUN position and pull the
starter handle
Clean the fuel fi lter
Ensure that the fuel fl ows smoothly
Contact Hitachi Authorized Service Centers
Contact Hitachi Authorized Service Centers
Replace or clean the spark plug
Adjust the gap to 0.6mm
Reconnect
Contact Hitachi Authorized Service Centers
Contact Hitachi Authorized Service Centers for
repair
Fill the fuel tank
Replace with new fuel
Contact Hitachi Authorized Service Centers
Set the choke lever to RUN position
Reconnect the fuel pipe or joint
Contact Hitachi Authorized Service Centers
Replace with new spark plug
Contact Hitachi Authorized Service Centers
Replace with designated part
See "SPECIFICATIONS"
Clean
Clean
Contact Hitachi Authorized Service Centers
See "Installation of cutting attachment"
Check and tighten
Replace with new blade
Remove grass
Remove grass and dirt
Set the choke lever to START position to stop the
engine
Cease use immediately and contact Hitachi
Authorized Service Centers