Use and Care Manual

CS-4910 MAINTENANCE
X7503314201 45
© 05/22 ECHO Incorporated
Air Filter
1. Check before every use.
2. CLOSE choke ( ).
3. Remove air cleaner cover (A)
and air filter (B).
4. Lightly brush dust off air filter, or
clean with compressed air, or
replace the air filter.
5. Install air filter and cover.
Spark Plug
• Check periodically.
• The standard spark gap is 0.65 mm
(0.026 in.).
• Fastening torque: 15-17 N•m
(130-150 lbf•in).
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 pipe, 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.
B
A
0.65 mm (0.026 in.)