13
MAINTENANCE AND CARE

AIR FILTER

• Check before every use.
• Pull choke all the way out (Close position).
• Loosen bolt, and remove air cleaner cover and filter.
• Brush off dust lightly, or wash it in water and detergent
if necessary. Dry it completely before installation.
Air filter
Air cleaner cover
Oil discharge
adjusting screw
Oil port Oil strainer
Fuel strainer
Oil holes
Groove
Sprocket

AUTOMATIC OILER

• The discharge volume of the automatic oiler is ad-
justed to 3 to 4 cc/min (at 7000 rpm), prior to shipment
from factory.
• Always check oil discharge when in use.

OIL STRAINER

• Check periodically.
• Do not allow dust to enter into oil tank.
• Clogged oil strainer will affect the normal lubricating
system.
• Pick it up through oil port.
• If the strainer is dirty, wash it in gasoline.
• When the inside of the tank gets dirty, it can be
cleaned by rinsing the tank out with gasoline.

FUEL STRAINER

• Check periodically.
• Do not allow dust to enter fuel tank.
• Clogged strainer will cause difficulty in starting engine
or abnormalities in engine perfomance.
• Pick up the fuel strainer through fuel inlet port with a
piece of steel wire or the like.
• When the strainer is dirty, wash it in suitable cleaning
fluid.
• When the inside of the fuel tank is dirty, it can be
cleaned by rinsing the tank out with suitable cleaning
fluid.

GUIDE BAR AND OIL HOLES

• Clean before starting work.
• Clean the groove of the guide bar with, for example, a
small screw driver.
• Clean oil holes with a wire.
• Reverse guide bar periodically.

SPROCKET

• The damaged sprocket will cause premature damage
or wear of saw chain.
• When the sprocket has worn out 0.5 mm (.020 in.) or
more, replace it.
• Check sprocket when you install new chain. Replace it
if worn.
• Clean sprocket, clutch and bar mount area before
installation of bar.