Echo HC-155-20 Operator's Manual

H edge ClipperOperatOr's Manual191. Remove spark plug lead.2. Remove muffler cover.3. Remove starter cover.4. Use brush to remove dirt from cylinder fins.IMPORTANTDO NOT use a metal scraper to remove dirt from the cylinder fins.5. Assemble components in reverse order.exhaust systemSpark Arrestor ScreenLevel 2.Parts required: Screen, Gasket1. Remove spark plug lead from spark plug, and remove engine ormuffler cover.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.NOTEWhen cleaning carbon deposits, be careful not to damage the cata-lytic element inside muffler.5. Replace screen if it is cracked, plugged or has holes burned through.6. Install engine cover or muffler cover and attach spark plug lead.ABC