Quantcast Scribe a mark to identify starting point

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ARMY TM 9-2815-254-24 AIR FORCE TO 38G1-94-2 aa. Install valves (35), gaskets (36), springs (34), and bodies (33), refer to paragraph 3-11.4.3. N O T E Ensure fuel injection pump is bled of all air before doing following steps. ab. Set test stand for an inlet pressure of 23 psi (1.6 Kg/cm2). ac. Ensure control rack is at 0.472 in. (12 mm) position, pump speed at 1450 rpm and plunger strokes for 1000. ad. Operate test stand and measure fuel injection quantity for each cylinder. Each cylinder should measure 42 to 44 cc with + 1.08 cc between cylinders. ae. If fuel injection quantity is not as specified, adjust as follows: N O T E Scribe a mark to identify starting point. (1)  Loosen  sleeve  pinion  screw  (31). (2) Rotate cylinder sleeve (29) clockwise or counterclockwise using an appropriate tool. Rotating cylinder sleeve towards governor increases fuel injection quantity. af. Repeat steps ab thru ae for the following settings. (1) Pump speed 350 rpm. (2)  Plunger  strokes  1000. (3) Control rack at 0.299 in. (7.6 mm) position. (4)   Each cylinder should measure 6.9 to 9.1 cc with + 1.12 cc between cylinders. ag. Remove rack lock screw from pump housing and reinstall control rack guide screw (38). 3-58


 


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