Echo CS-670 Operator's Manual page 19

Air cleaner cover
Spark plug
Cylinder cover
0.6 to 0.7 mm
Cleaner cover latch
Air cleaner cover
Air filter cover
Air filter
Cleaner cover latch
AIR FILTER
• Check before every use.
• Off the cleaner cover latch, and remove air
cleaner cover and air filter.
• Brush off dust lightly, or clean with compressed
air, or replace the air filter.
• Reinstall filter and cover, engage latch.
CHECK FUEL SYSTEM
• Check before every use.
• After refueling make sure fuel does not leak or
exude from around fuel pipe, fuel grommet or
fuel tank cap.
• In case of fuel leakage or exudation there is a
danger of fire. Stop using the machine
immediately and request your dealer to inspect
or replace.
MAGNETO
• The unit has CDI (Capacitor Discharge Ignition)
system, which does not require adjustment of
ignition timing.
• Check for secure (tight) wire connections.
CYLINDER FINS
• Check periodically.
• Clogged fins will result in poor engine cooling.
• Remove dirt and dust from between fins to let
cooling air pass easily.
SPARK PLUG
• Check periodically.
• The standard spark gap is 0.6 to 0.7 mm.
• Correct the spark gap if it is wider or
narrower than the standard gap.
• Fastening torque: 15 to 17 N·m
19 CS-670