Lubrication & Maint./2000 Hour/24 Month Adjusting Variable Speed (Droop) 4.5 L Generator Set Engines Only 1. Warm engine to normal operating temperature. 2. When necessary, disconnect throttle linkage or cable. 3. Adjust slow idle (C) and adjust fast idle (B) speed when necessary. 4. Run engine at fast idle, then apply load until reaching rated speed. RG12066 –UN–29JAN02 5. Check power. Adjust with the screw (A) if needed. 6. Remove load from engine. 7. Again check and adjust fast idle if screw (A) has been turned. Droop Adjustment Screw 8. Repeat procedure until both the engine power and the fast idle speed are correct. A—Adjustment Screw B—Fast Idle Adjustment C—Slow Idle Adjustment 9.
Reinstall throttle linkage if previously removed. OURGP12,00001ED –19–14MAR03–1/1 35-1 021604 PN=159