English
Maintenance schedule
Below you will fi nd some general maintenance instructions. For
further information please contact Hitachi Authorized Service
Centers.
Daily maintenance
○ Clean the exterior of the unit.
○ Check that the harness is undamaged.
○ Check the blade 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.
○ Make sure that the blade transport guard is undamaged and
that it can be securely fi tted.
List of recommended accessories
Type
Name
NYLON HEAD
CH-100
(W/NYLON LINE)
NYLON HEAD
CH-100
NYLON HEAD
CH-300
(W/CUTTER
HOLDER CAP)
NYLON HEAD
CH-300
NYLON HEAD
BF-4
NYLON HEAD
BF-5
BLADE
B3/10/2.0
BLADE
B3/12/3.0
BLADE
B4/9/1.6
BLADE
B4/10/1.6
14
Specifi cation
4"
Pre-Cut Line
2.2 – 3.0
Manual line
5"
2.2 – 2.7
feed
R M8 x 1.25
4"
2.2 – 3.0
Nut
L M10 x 1.25
5"
Nut
2.2 – 3.0
L M8 x 1.25
10"
3
12"
3
9"
4
10"
4
○ 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 it and check the electrode gap. Adjust it to 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.
LOOP HANDLE
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2.0
3.0
1.6
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1.6
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BIKE HANDLE
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