(6) Place the cover over the case so that the cap
locking tabs (37) on the case meet the long holes
(38) on the cover. Then push the case securely
until it clicks into place. (Fig. 33)
(7) The initial cutting line length should be approx.
4-11/32˝–5-1/2˝ (11–14 cm) and should be equal
on both sides. (Fig. 34)
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
the use of 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
Hitachi Authorized Service Centers.
38
37
Fig. 33
Fig. 34
Daily maintenance
○ Clean the exterior of the unit.
○ Check that the harness is undamaged.
○ Check the cutting attachment guard for damage
or cracks. Change the guard in case of impacts
or cracks.
○ Check that the cutting attachment is properly
centred, sharp, and without cracks. An off -centre
cutting attachment induces heavy vibrations that
may damage the unit.
○ Check that the cutting attachment nut is
suffi ciently tightened.
○ Check that nuts and screws are suffi ciently
tightened.
○ Check that the unit is undamaged and free of
defects.
Weekly maintenance
○ Check the starter, especially the cord and return
spring.
○ 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.
English
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