
16
English
○
Check that the cutting attachment is properly
centred, sharp, and without cracks. An o
ff
-centre
cutting attachment induces heavy vibrations that
may damage the unit.
○
Check that the cutting attachment nut is
su
ffi
ciently tightened.
○
Check that nuts and screws are su
ffi
ciently
tightened.
○
Check that the unit is undamaged and free of
defects.
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 0.6 mm
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
Weekly maintenance
○
Check the starter, especially the cord.
○
Clean the exterior of the spark plug.
○
Remove the spark plug and check the electrode
gap. Adjust it to 0.024
˝
(0.6 mm), or change the
spark plug.
○
Check that the angle gear is
fi
lled with grease up
to 3/4.
○
Clean the air
fi
lter.
Monthly maintenance
○
Rinse the fuel tank with gasoline.
○
Clean the exterior of the carburetor and the
space around it.
○
Clean the fan and the space around it.
000Book̲CG23ECP̲US.indb 16
000Book̲CG23ECP̲US.indb 16
2017/09/20 15:07:19
2017/09/20 15:07:19