Wacker Neuson GP 2500A Manuel de l'opérateur télécharger pdf (Page 31)

GP 2500A Maintenance

3.7 Carburetor Adjustment

3.7.1 Start the engine and allow it to warm up to operating temperature.

3.7.2 Set the pilot screw (a) two turns out. See Note.

3.7.3 With the engine idling, turn the pilot screw (a) in or out to the setting

that produces the highest rpm.

3.7.4 After the pilot screw is adjusted, turn the throttle stop screw (b) to

obtain the standard idle speed. See Technical Data.

Note: On some engines the pilot screw is fitted with a limiter cap (c)

to prevent excessive enrichment of the air-fuel mixture in order to

comply with emission regulations. The mixture is set at the factory and

no adjustment should be necessary. Do not attempt to remove the

limiter cap. The limiter cap cannot be removed without breaking the

pilot screw.

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Wacker Neuson GP 2500A Manuel de l'opérateur Page 31