Spark Plug; Check Fuel System - Echo CS-4920 Operator's Manual

MAINTENANCE
5. Remove air filter (C) by turning
it counterclockwise.
6. Lightly brush dust off air filter, or
clean with compressed air, or
replace the air filter.
7. Install air filter (C) by turning it
clockwise. Arrow on filter will
point up when filter is correctly
installed.
8. Install air cleaner cover and
engage air cleaner cover latch.

Spark Plug

1. Check periodically.
2. Remove air cleaner cover.
3. Remove spark plug lead (A).
4. Remove spark plug (B).
5. Correct the spark gap if it is
wider or narrower than the
standard gap.
• The standard spark gap is
0.65 mm (0.026 in.).
• Fastening torque: 15-17 N•m
(130-145 lbf•in).

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.
46
A
B
0.65 mm (0.026 in.)
© 09/2022 ECHO Incorporated
CS-4920
C
X7503352100