GB-14
6) File enough to remove any damage to
cutting edges (side plate (1) and top plate
(2)) of cutter. (Fig. 4-7)
SHARPENING ANGLES FOR SHARPENING
SAW CHAIN (Fig. 4-7B)
Maintenance schedule
Below you will find some general maintenance
instructions. For further information please
contact HITACHI dealer.
Daily maintenance
Clean the exterior of the unit.
Clean the chain oil filter port.
Clean the groove and oil filter port in the
guide bar.
Clean the side case of saw dust.
Check that the saw chain is sharp.
Check that the bar nuts are sufficiently
tightened.
Make sure that the chain transport guard is
undamaged and that it can be securely
fitted.
Check that nuts and screws are sufficiently
tightened.
Weekly maintenance
Check the starter, especially cord and return
spring.
Clean the exterior of the spark plug.
Remove the spark plug and check the
electrode gap. Adjust it to 0.6 mm (.024 ") or
change the spark plug.
Clean the cooling fins on the cylinder and
check that the air intake at the starter is not
clogged.
Clean the air filter.
Monthly maintenance
Rinse the fuel tank with gasoline, and clean
fuel filter.
Clean chain oil filter.
Clean the exterior of the carburetor and the
space around it.
Clean the fan and the space around it.
Clean the muffler of carbon.
Fig.4-7
Fig.4-7B
