Echo PB-8010 Operator's Manual page 26

Maintenance and care
Exhaust system
1. Spark arrester screen
1. Silencer 2. Gasket
Spark Arrester Screen
Tools required: Torx L-Wrench T27, Soft metal brush
Parts required: Spark arrester screen.
IMPORTANT
Carbon deposits in silencer will cause a drop in engine output
and overheating. Spark arrester screen must be checked peri-
odically.
1. Disconnect spark plug lead from spark plug.
2. Remove arrester screen from silencer. Replace screen if
plugged with carbon deposits.
3. Install spark arrester screen.
4. Connect spark plug lead.
Silencer and Exhaust Port
Tools required: Torx L-Wrench T27, Wooden or plastic scrap-
er
Parts required: Gasket
IMPORTANT
Carbon deposits in cylinder exhaust port and silencer will
cause a drop in engine output and overheating. Silencer ex-
haust port must be checked periodically. Be careful not to
scratch the cylinder or piston when cleaning the cylinder ex-
haust port.
1. Disconnect spark plug lead from spark plug.
2. Remove engine cover.
3. Remove silencer and gasket.
4. Clean cylinder exhaust port being careful not to scratch cyl-
inder or piston, using a wooden or plastic scraper.
5. Install gasket and silencer.
6. Install engine cover.
24