ARMY TM 9-2815-253-24 AIR FORCE TO 38G1-93-2 MARINE CORPS TM 2815-24/3 3-23.5.  Adjustment. a. Adjust governor lever (6, FIGURE 3-19) assembly end play as follows: (1) Move lever assembly (6) until it abuts against top pivot support (9).  Check that it falls freely under its own weight. (2) Check governor lever (6) assembly end play.  Add or remove 0.0098 in.  (0.25 mm) shims (11), at top pivot support (9) to obtain an end play of 0.0039 to 0.0118 in.  (0.1 to 0.33 mm). NOTE Adjustments in steps b thru d must be done with gear end cover installed. b. Adjust control lever (25) setting as follows: (1) Turn control lever (25) counterclockwise into stop position. (2) Adjust upper capscrew (17) until it just touches curved part of lever (25) and lock it in this position with nut (16). (3) Move lever (25) clockwise to run position and make appropriate 'G' setting. c. Make governor 'G', setting as follows: NOTE The 'G' setting is made to ensure that fuel pumps deliver correct amount of fuel for desired engine speed. NOTE This adjustment requires use of governor setting gage (317-50115). (1) Move lever (25) clockwise to run position. (2) Insert 26.5 part of setting gage between head of upper capscrew (17) and top of curved part of lever (25). (3) Adjust lower capscrew (17) until lever (25) just touches setting gage. (4) Tighten lower capscrew locknut (16). (5) Remove gage. NOTE Speed adjustment must be made with engine installed.  Refer to end item maintenance manual. NOTE Speed  adjustments  are  made  after  governor  has  been  correctly  set.    Capscrews  (35  and  36)  are used to adjust speed control. NOTE Engine speed is controlled by speeder spring (1) inside crankcase. d. Adjust speed in accordance with end item maintenance manual. 3-40