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PB-580 H/T MAINTENANCE
X7505200600 29
© 11/2014 ECHO Inc.
Exhaust Port Cleaning
Level 2.
1. Remove spark plug.
2. Remove starter
3. Remove engine cover.
4. Place piston at top dead center. Remove muffler (A) heat
shield (B).
5. 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.
6. Replace heat shield.
Assure heat shield is installed correctly behind rib (A) and in
front of rib (B) in fan case.
7. Install muffler.
8. Tighten muffler mounting bolts (or nuts) to 90-110 kgf • cm
(80-95 in • lbf).
9. Assemble components in reverse order.
10. Start engine, and warm to operating temperature.
11. Stop engine, and re-tighten mounting bolts (or nuts) to
specifications.
Parts Required: Heat shield
A
B
A
B
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