G RASS TRIMMEROPERATOR 'S MANUAL 171. Remove spark plug lead.2. Remove two (2) muffler cover screws and muffler cover (A).3. Remove screw and top guard (B).4. Remove engine cover (C).IMPORTANTDO NOT use a metal scraper to remove dirt from the cylinder fins.5. Use brush to remove dirt from the cylinder fins.6. Remove grass and leaves from the grid between the recoil starterand fuel tank.7. Assemble components in reverse order.ABCEXHAUST SYSTEMSpark Arrestor ScreenLevel 2.Tools Required: Cross Head Screwdriver, Soft Metal Brush,4 mm Hex WrenchParts Required: Spark Arrestor Screen, Gasket