Operation; Fuel - Echo CS-303T Operator's Manual

CS-303T
3. Hold the bar nose up, and turn
the Adjuster Screw (B)
clockwise until saw chain
contacts underside of the bar.
4. Tighten Sprocket Guard Nuts
(A) with the bar nose held up.
5. Pull the chain around the bar by
hand. Loosen the adjustment if
you feel tight spots.
Tighten guide bar nuts to 4.5 – 7.5 N•m (45 – 75 kgf•cm) DO NOT
over-tighten nuts. Damage to saw may result.
6. Keep chain properly tensioned at all times.
Note: All chains require frequent adjustments.
7. Replace spark plug lead.

OPERATION

Fuel

Diesel fuels and alternative fuels, such as E-15 (15% ethanol),
E-85 (85% ethanol) or any fuels not meeting ECHO requirements
are NOT approved for use in ECHO 2-stroke gasoline engines.
Use of diesel or alternative fuels can cause performance
problems, loss of power, overheating, fuel vapor lock, and
unintended machine operation, including, but not limited to,
improper clutch engagement. Diesel or alternative fuels can
also cause premature deterioration of fuel lines, gaskets,
carburetors and other engine components.
X7503209108
© 10/20 ECHO Incorporated
OPERATION
A
25