TM 9-2910-226-34 (5) Refer to figure 3-147. Coat end cap gasket with a thin coat of er, MIL-S-45180 on side facing end cap. Install end cap gasket (A) and governor end cap (B) and secure with two machine screws (C) and lockwashers (D). Torque tighten screws to 50-60 inch-pounds and se- cure with locking wire (E). Figure 3-147. Installing governor end cap. 3-44. Installation of Fuel Control Unit Assembly NOTE See figures 3-48, 3-49 and 3-50 for iden- tification of control units. a. Refer to figure 3-148. Position plunger sleeve slot at bottom of travel, as shown, by pressing down on sleeve. The fuel control unit lever must be in an idle position before inserting plunger sleeve pin into plunger sleeve slot. b. Refer to figure 3-149. Install fuel control unit assembly with new preformed packing, so that plunger sleeve pin (A, fig. 3-47) engages plunger sleeve slot (fig. 3-148). To check for engagement operate lever back and forth. Lever should move through about a 500 angle between and below retainer mounting holes. If this movement occurs, pin is engaged in sleeve slot. If not, remove and reinstall control unit and engage plunger sleeve pin in plunger sleeve slot. Figure 3-149. Correct installation of control unit in plunger sleeve dot. C. Refer to figure 3-150. Aline the control rod end with the hole in the control unit lever (A) and install re- taining pin (B) as shown. Refer to figure 3-151, Install control unit retainer (A) and secure with two assembled washer screws (B). Torque tighten screws to 18-23 inch-pounds. Clearance between unit shaft must be .0100 to .0250 with locking wire (C). NOTE Operate fuel control lever while looking through the retainer and control inches. Secure screws back and forth overflow valve discharge hole in the hydraulic head. If the plunger sleeve is moving, the sleeve pin has remained properly engaged in the plunger sleeve slot. Figure 3-148. Location of plunger sleeve slot. 3-86 Change 2