Echo CS-610 Service Data

Contents

Echo CS-610 Service Data Manual pdf 8 page image

BABA2 CARBURETTOR ADJUSTMENT PROCEDURE2-1 General adjusting rulesA. Before 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” or “JASO FC/FD” 2-stroke oil.6. The recommended bar and chain must be installed, and properly tensioned.NOTE : In order to achieve proper carburettor adjustment, a 50 cm bar and chain should be installed onthe unit. Otherwise serious engine damage will occur due to overspeeding.B. Adjustment with limiter caps on carburettor.Set L and H mixture needles fully anticlockwise. Start and run engine for two minutes alternating enginespeed between WOT for 5 seconds and idle for 5 seconds. Adjust idle speed screw to 2,800 +/- 150r/min. Adjust H mixture needle with limiter cap to 12,500 +/- 300 r/min. If engine does not run correctly af-ter this adjustment, proceed to the next step 2-2.IMPORTANT : After adjusting carburettor according to the steps 2-2 and 2-3, the limiter cap(s)must be installed on L and H mixture needle(s) to comply with Emission Directive.2-2 Presetting Idle adjust screw, L mixture needle and H mixture needleTools Required : Small screwdriver with 2.5 mmand 4 mm blade, electronic tachometer P/N G310-000050, limiter cap removal tool with 2.5 mm left-hand thread P/N 91019. Parts Required : (2) limitercaps P/N P003-000010.1. Turn the L and H mixture needles anticlockwiseto rich side stop to align limiter cap tab (A) with lo-cating slot (B), using 2.5 mm blade screwdriver.NOTE : If cap tabs (A) misalign with locating slots(B), the cap cannot be removed and the centrehole threads will strip. If centre hole threads strip,use 3 mm diameter thread wood screw to removethe limiter cap.(continued)SERVICE INFORMATION CS-6108

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