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PB-760LN
MAINTENANCE
X7531125905
37
© 10/19 ECHO Incorporated
Exhaust Port Cleaning
Level 2.
1.
Remove spark plug lead from
spark plug.
2.
Remove muffler cover and
engine cover.
3.
Place piston at top dead center.
Remove muffler (A) muffler
gasket (B), and muffler insulator
(C).
4.
Use a wood or plastic scraping
tool to clean deposits from
cylinder exhaust port.
Never use a metal tool to scrape carbon from the exhaust port. Do
not scratch the cylinder or piston when cleaning the exhaust port. Do
not allow carbon particles to enter the cylinder.
5.
Inspect muffler gasket, and
replace if damaged.
6.
Install muffler insulator, muffler
gasket and muffler.
7.
Tighten muffler mounting bolts
(or nuts) to 110-150 kgf•cm (95-
130 in•lbf).
8.
Install engine cover and attach
spark plug lead.
9.
Start engine, and warm to
operating temperature.
10. Stop engine, and re-tighten mounting bolts (or nuts) to specifications.
11. Install muffler cover.
Parts Required:
As needed: Muffler Gasket
C
B
A