Hitachi Koki CG 24EKS Mode D'emploi page 12

English
clean it and check the electrode gap. Re-adjust
if necessary. The correct gap is 0.024˝ (0.6 mm).
The spark plug should be replaced after about 100
operation hours or earlier if the electrodes are badly
eroded.
0.024˝
(0.6 mm)
NOTE
In some areas, local law requires using a resistor
spark plug to suppress ignition signals. If this
machine was originally equipped with resistor
spark plug, use same type of spark plug for
replacement.
Angle transmission (Fig. 23)
Check angle transmission or angle gear for grease
level about every 50 hours of operation by removing
the grease fi ller plug on the side of angle transmission.
If no grease can be seen on the fl anks of the gears,
fi ll the transmission with quality lithium based
multipurpose grease up to 3/4. Do not completely fi ll
the transmission.
Maintenance schedule
Below you will fi nd some general maintenance
instructions. For further information please contact
your Hitachi dealer.
12
Fig. 22
Fig. 23
Daily maintenance
○ Clean the exterior of the unit.
○ Check that the harness is undamaged.
○ If your unit has blade, 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.
○ If your unit has blade, make sure that the blade
transport guard is undamaged and that it can be
securely fi tted.
○ Check that nuts and screws are suffi ciently
tightened.
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 0.024˝ (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.