(3) Refer to figure 3-124. If hydraulic head , (4) Refer to figure TM 9-2910-226-34 3-123. Lubricate and install assemblies HD9070A or HD9085A with an oil duct packing (G) on pin-(H). Install washer (E) on screw are replaced by a later model hydraulic head (F) and assemble pin and screw. Install screw assembly, it will be necessary to plug the oil duct in assembly in pump housing and torque tighten to 20- the pump housing utilizing kit 5704374. Refer to 25 foot-pounds. table 3-2 to determine correct hydraulic head ap- plication. Figure 3-124. Identification of hydraulic heads with oil lubrication ducts. Table 3-2. Selection of Hydraulic Head 3-41. Installation of Timing Device Assembly. camshaft. Remove fuel injection pump from fixture a. Assembly. and then remove fixture from vise. (1) Refer to figure 3-125. Install woodruff key on 3-75