Echo HC-150 - 03-04 1 Operator's Manual

Also see for HC-150: Operator's manual Operator's manual Operator's manual Operator's manual Operator's manual

Contents

184. Remove heat shield bolt (C) from the muffler cover.5. Carefully pull cylinder cover forward disengaging muffler gaskettabs and ignition lead and lay aside.6. Loosely install spark plug to keep debris out of the cylinder. Usebrush to remove dirt from cylinder fins.IMPORTANTDO NOT use a metal scraper to remove dirt from the cylinder fins.7. Assemble components in reverse order.NOTEWhen installing the cylinder cover, be certain the muffler gaskettabs (D) are locked into the muffler grill slots and the stop switchlead is seated in the rubber grommet.Cylinder Exhaust PortLevel 3.IMPORTANTThe cylinder exhaust port must be inspected and cleaned of excesscarbon every 3 months or 90 hours of operation in order to maintainthis engine within the emissions durability period. ECHO stronglyrecommends that you return your unit to your ECHO dealer for thisimportant maintenance service.3. Remove bottom right (A) and bottom left (B) hex socket bolts fromcylinder cover.ABCAEXHAUST SYSTEMSpark Arrestor ScreenLevel 2.Tools required: 3 mm Hex wrench, Cross Head Screwdriver, Softmetal brushParts required: Screen, Gasket1. Remove engine cover. See “Cleaning Cooling System” for step bystep instructions.2. Place piston at Top Dead Center (TDC) to prevent carbon/dirt fromentering cylinder.3. Remove exhaust guide (A), gasket (B), and screen (C) from mufflerbody.4. Clean carbon deposits from muffler components.BC D