TM 5-4320-300-145-13.FUEL CONTROL TUBE ASSEMBLY (CONT)Location/ItemActionRemarksNOTEThe following setting of the eye bolt will produce approximately 7% droop in engine speed from noload to full load. This is the optimum droop adjustment for most applications. The droop may belowered by increasing spring tension and raised by decreasing spring tension.Changing the variable speed spring tension will change engine idle speed and maximum no loadspeed, which must then be readjusted.Adjust variable speed spring eye bolt until 1/8 inch (3 mm) of threads projectfrom outer jam nut. Tighten both jam nuts to retain adjustment.13. Rack con-Loosen all adjusting screws.trol levers14. Speed con-Move to maximum speed position.trol lever15. Rack controlAdjust until both screws are equal in heightlever adjustingand tight on fuel control tube.screws (leverclosest togovernor)16. Rear controlrack (rackclosest togovernor)Move into full-fuel position, and noteclearance between fuel rod andcylinder head bolt. Adjust clearance to1/32 to 1/16 inch(0.79 to 1.58 mm) byadjusting the rack control leveradjusting screws. Tighten screwswhen adjustment is complete.5-43
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