Echo HCR-1510 Service Data

Contents

HCR-15108 SERVICE INFORMATION2 EMISSION ADJUSTMENT GUIDE2-1 General adjusting rulesBefore starting the unit for adjustment, check the following items.1. The correct spark plug must be clean and properly gapped.2. The air filter element must be clean and properly installed.3. The muffler exhaust port must be clear of carbon.4. The fuel lines, tank vent and fuel filter are in good condition and clear of debris.5. The fuel is fresh ( > 89 octane : RON) and properly mixed at 50 : 1 with “ISO L-EGD” 2 stroke oil.2-2 Presetting idle adjust screw, L mixture needle and H mixture needle1. Turn L mixture needle (A) clockwise until leanstop to cut and remove easily.2. Using a sharp knife, give triangle cut betweenthe stopper wings. Also cut the H limiter cap (B).NOTE : Be careful when cutting caps, otherwiseinjury may result.3. Pull the caps off with pliers.NOTE : Do not rock back and forth when removing,otherwise the needle may be damaged.4. Turn H and L mixture needles clockwise untillightly seated.NOTE : Do not over tighten needles, otherwiseneedles tip and seat damage may occur.5. Turn L mixture needle anticlockwise 1 1/2 turns.Turn H mixture needle anticlockwise 1 1/2 turns.6. Turn idle adjust screw (C) anticlockwise and setthe screw until the tip to just contact throttle plate.Then turn it clockwise 2 3/4 turns.BAC

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