Echo CS-370 - Manual (Page 23)

21 CS-370
Worn : 0.5 mm (0.020 in.)
Groove
Oil hole
Oil filter
Fuel filter
Oil tank cap
Fuel tank cap
FUEL FILTER
• Check periodically.
• Do not allow dust to enter fuel tank.
• A clogged filter will cause difficulty in starting
engine or abnormalities in engine performance.
• Pull the fuel filter out through fuel inlet port with a
piece of steel wire or the like.
• When the filter is dirty, replace it.
• When the inside of the fuel tank is dirty, rinsing
the tank out with gasoline can clean it.
OIL FILTER
• Check periodically.
• Do not allow dust to enter into oil tank.
• A clogged oil filter will affect the normal
lubricating system.
• Pull it out through oil filling hole with a piece of
steel wire or the like.
• If the filter is dirty, wash it in gasoline or replace
it.
• When the inside of the tank gets dirty, rinsing the
tank out with gasoline can clean it.
AUTOMATIC OILER
• The discharge volume of the automatic oiler is
adjusted to 4 mL/min approximately at 7,000 r/min,
prior to shipment from factory.
- To increase the delivery volume, turn the
adjusting screw counterclockwise.
When the screw touches stopper and stops,
this position indicates maximum discharge
volume. (13 to 14 mL/min at 7,000 r/min)
- Do not turn the adjusting screw beyond the
maximum or minimum limit of volume
adjustment.
GUIDE BAR
• Clean before using.
- Clean the groove of the guide bar with a small
screwdriver.
- Clean oil holes with a wire.
• Check sprocket and the clutch and clean the bar
mount area before installation of the bar.
Replace either or both if worn.
SPROCKET
• A damaged sprocket will cause premature
damage or wear of saw chain.
- When the sprocket has worn out 0.5 mm
(0.020 in.) or more, replace it.
• Check sprocket when you install new chain.
Replace it if worn.
Adjusting screw
Decrease Increase