Echo CS-450P Instruction Manual

Also see for CS-450P: Operator's manual Instruction manual Instruction manual

Echo CS-450P Instruction Manual Manual pdf 28 page image

28CS-450PEXhAUST PORT CLEANINGLevel 2Parts Required: As needed: Muffler gasket1. Remove air cleaner cover and remove spark pluglead.2. Remove guide bar and saw chain. See "Guide Barand Saw Chain Installation/Removal."3. Remove muffler support bracket (A).4. Place piston at top dead center. Remove muffler (B)and muffler gasket (C ).5. Use a wood or plastic scraping tool to clean depos-its from cylinder exhaust port.IMPORTANTNever use a metal tool to scrape carbon from theexhaust port.Do not scratch the cylinder or piston when cleaningthe exhaust port. Do not allow carbon particles toenter the cylinder.6. Inspect muffler gasket, and replace if damaged.7. Install muffler gasket and muffler.8. Tighten muffler mounting bolts (or nuts) to 60-95 in •lbf (70-110 kgf • cm).9. Install muffler support bracket (A).10. Install guide bar and saw chain. See "Guide Bar andSaw Chain Installation/Removal."11. Install spark plug lead and air cleaner cover.12. Start engine, and warm to operating temperature.Stop engine.13. Remove air cleaner cover and remove spark pluglead.14. Remove guide bar and saw chain. See "Guide Barand Saw Chain Installation/Removal."15. Remove muffler support bracket.16. Re-tighten mounting bolts (or nuts) to specifications.17. Install muffler support bracket.18. Install guide bar and saw chain. See "Guide Bar andSaw Chain Installation/Removal."19. Install spark plug lead and air cleaner cover.BAC