CS-352 MAINTENANCE
X7503275704 45
© 09/20 ECHO Incorporated
Spark Plug
• Check periodically.
• The standard spark gap is 0.65
mm (0.026 in.).
• Fastening torque: 13-17 N•m
(110-150 in•lbf).
1. Remove cylinder 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.
Fuel Filter
• Check periodically.
• Do not allow dust to enter fuel tank.
• A clogged filter (A) will cause
difficulty in starting engine or
abnormalities in engine
performance.
1. Pull Fuel Filter (A) out through
gas port, and inspect Fuel Filter.
Do not damage fuel line while removing Fuel Filter (A) from tank.
2. When the Fuel Filter (A) is dirty, replace it as follows:
a. Do not remove the wire coil clamp to remove the Fuel Filter (A).
Pinch the Fuel Filter with the fingers on one hand and the fuel line
with the other hand. Pull and twist slightly to separate.
b. Install the new Fuel Filter (A) with the reverse action.
3. When the inside of the fuel tank is dirty, rinse the tank out with gasoline
to clean it.
0.65 mm (0.026 in.)
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