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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.
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.
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.
Fig. 14
Fig. 15
Cleaning the muffl er (Fig. 17)
Remove the muffl er and spark arrestor (if so
equipped), and clean out any excess carbon from
the exhaust port or muffl er inlet every 100 hours of
operation.
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 suffi 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 suffi ciently
tightened.
English
7
Fig. 16
Fig. 17
9
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