Air/Fuel Ratio Control - Adjust
The air/fuel ratio must be adjusted properly in order to comply with the emissions requirements of the site. The correct air/fuel ratio also helps ensure stable operation.
The following adjustments must be made prior to adjusting the air/fuel ratio:
- Supply Fuel Pressure
- Desired Timing
- Gas Pressure Regulator Differential Pressure
Refer to Special Instruction, REHS9280, "Air/Fuel Ratio Setup for Certified G3306B Generator Set Engines" for the Air/Fuel Ratio Control adjustment procedure.
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