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9
English
Gear
case
(
Fig.
14
)
Apply a good quality lithium based grease through the
grease
fi
tting until a small amount comes out between
the cutting blades and the gear case. Lubricate the
grease from the grease nipple (indicated by an arrow)
next to the gear case using a commercially available
cartridge grease gun.
Fig. 14
NOTE
Lubrication should be applied 3g at 20 hour
intervals and more frequently with heavy use.
Fuel
fi
lter
(
Fig.
15
)
Remove the fuel
fi
lter from the fuel tank and thoroughly
wash it in solvent. After that, push the
fi
lter into the
tank completely.
Fig. 15
NOTE
If
the
fi
lter is hard due to dust and dirt, replace it.
Cleaning
the
cylinder
fi
ns
(
Fig.
16
)
When leaves get caught between cylinder
fi
ns (7),
the engine may overheat, resulting in lower output.
To avoid this, always keep cylinder
fi
ns and cylinder
cover clean.
Every 100 operating hours, or once a year (more
often if conditions require), clean
fi
ns and external
surfaces of engine of dust, dirt and oil deposits which
can contribute to improper cooling.
7
Fig. 16
Cleaning
the
mu
ffl
er
(
Fig.
17
)
Remove the mu
ffl
er and spark arrestor (if so
equipped), and clean out any excess carbon from
the exhaust port or mu
ffl
er inlet every 100 hours of
operation.
Fig. 17
For
long-term
storage
Drain all fuel from the fuel tank. Start and let engine
run until it stops. Repair any damage which has
resulted from use. Clean the unit with a clean rag,
or high pressure air hose. Put a few drops of two-
cycle engine oil into the cylinder through the spark
plug hole, and spin the engine over several times to
distribute oil. Cover the unit and store it in a dry area.
Maintenance
schedule
Below you will
fi
nd some general maintenance
instructions. For further information please contact
your Hitachi dealer.
Daily
maintenance
○
Clean the exterior of the hedge trimmer.
○
Check the blade guide for damage or cracks.
Change the guard in case of impacts or cracks.
○
Check that the blade is sharp, and without cracks.
○
Check that the blade nut is su
ffi
ciently tightened.
○
Make sure that the blade blunt guard is
undamaged and that it can be securely
fi
tted.
○
Check that nuts and screws are su
ffi
ciently
tightened.
000Book̲CH22EAP(50ST)̲US.indb 9
000Book̲CH22EAP(50ST)̲US.indb 9
2012/01/16 13:33:36
2012/01/16 13:33:36