TM 10-3930-669-34 d.    Assembly.    Using  press,  install  bushing  (7)  in idler gear (3). e. Installation. (1) Align gear timing marks. (2) Install  bushing  (5),  journal   (4),   and   idler gear (3) in crankcase (6) with yoke spring (2) and screw (1).  Preload screw (1) to 22 lb-ft     (30     N.m).          Tighten     screw     (see Appendix D). NOTE Follow-on Maintenance: • Install oil pump (Para 3-12). • Install front cover (Para 3-10). END OF TASK 3-61