English
14
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
(o
ff
ensive 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
Mu
ffl
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
(o
ff
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 (mu
ffl
er exhaust port)
Clean
Insu
ffi
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
000Book̲CG40EAS(P).indb 14
000Book̲CG40EAS(P).indb 14
2018/01/05 12:12:36
2018/01/05 12:12:36