19
English
Condition Cause Remedy
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 (off ensive
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
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
000BookCG22EAP2US.indb19000BookCG22EAP2US.indb19 2015/08/0515:48:362015/08/0515:48:36
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