Operation Manual

15
English
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 Cause Remedy
Engine does not start
Fuel system
Fuel tank is empty or fuel level is low Fill the fuel tank with the correct fuel mix (25:1-50:1)
Fuel tank contains old fuel (offensive odor) Replace with new fuel
Too much fuel is absorbed and spark plug is
wet
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
Fuel fi lter is clogged with dirt Clean the fuel fi lter
Fuel pipe is bent or disconnected Ensure that the fuel fl ows smoothly
Carburetor malfunction Contact Hitachi Authorized Service Centers
Electrical
system
Stop switch lead has short-circuited Contact Hitachi Authorized Service Centers
Spark plug is dirty Replace or clean the spark plug
Electrode gap is too big Adjust the gap to 0.6mm
Poor connection between high tension cable
and spark plug
Reconnect
Electrical system malfunction Contact Hitachi Authorized Service Centers
Other Muffl er exhaust port is clogged with carbon
Contact Hitachi Authorized Service Centers for
repair
Engine starts but cuts
out straightaway
Engine is apt to cut
out
Fuel system
Fuel tank is empty or fuel level is low Fill the fuel tank with the correct fuel mix (25:1-50:1)
Fuel tank contains old fuel (offensive odor) Replace with new fuel
Two-cycle oil has not been added Contact Hitachi Authorized Service Centers
Choke lever is in START position Set the choke lever to RUN position
Air has got into fuel system Reconnect the fuel pipe or joint
Carburetor malfunction Contact Hitachi Authorized Service Centers
Electrical
system
Ignition failure
Spark plug failure Replace with new spark plug
Electrical system failure Contact Hitachi Authorized Service Centers
Other
Engine overheating
Wrong spark plug model
Replace with designated part
See “SPECIFICATIONS”
Dirty air cleaner Clean
Carbon clogging (muffl er exhaust port) Clean
Insuffi cient compression (piston, piston ring,
cylinder)
Contact Hitachi Authorized Service Centers
Abnormal vibration
Cutting attachment is not properly installed See “Installation of cutting attachment”
Handle, handle bracket or other fastening part
is loose
Check and tighten
Blade is bent or damaged Replace with new blade
Grass is wrapped round gear case Remove grass
Engine is running but blade does not
move
Movement is poor
Grass is wrapped round gear case Remove grass and dirt
Engine does not stop Stop switch failure
Set the choke lever to START position to stop the
engine
Cease use immediately and contact Hitachi
Authorized Service Centers
Engine stops when throttle is closed Idle speed is too low Contact Hitachi Authorized Service Centers
Blade continues rotating when throttle
is closed
Idle speed is too high
Throttle wire is too taut
Contact Hitachi Authorized Service Centers
000Book_CG24EBSP_WE.indb 15000Book_CG24EBSP_WE.indb 15 2014/03/26 11:22:072014/03/26 11:22:07