CS-303T MAINTENANCE
X7503209108 49
© 10/20 ECHO Incorporated
1. Remove air cleaner cover and remove spark plug.
2. Correct the spark gap if it is wider or narrower than the standard gap.
Check Fuel System
• Check before every use.
• After refueling, make sure fuel does not leak from around fuel feed lines,
fuel grommet or fuel tank cap.
• In case of fuel leakage there is a danger of fire. Stop using the machine
immediately and request your dealer to inspect or replace.
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.
1. Using a wire bent into the
shape of a hook, pull strainer out through gas port, and inspect strainer.
2. If the strainer is dirty, clean with suitable cleaning fluid.
3. When the inside of the fuel tank is dirty, rinsing the tank out with
gasoline can clean it.
Note: Federal EPA regulations require all model year 2012 and later
gasoline powered engines produced for sale in the United
States to be equipped with a special low permeation fuel
supply hose between the carburetor and fuel tank. When
servicing model year 2012 and later equipment, only fuel
supply hoses certified by EPA can be used to replace the
original equipment supply hose. Fines up to $37,500 may be
enforced for using an un-certified replacement part.
Automatic Oiler
• The discharge volume of the
automatic oiler is adjusted to
approximately 4 mL/min at 7000 r/
min, prior to shipment from
factory.
• Always check oil discharge when
in use.
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