TM 10-3930-664-24 3. Install  lower  bearing  halves  (1)  onto  journals  in cylinder  block.    Ensure  tangs  on  bearing  halves set  into  notches  in  journals.    Lubricate  bearings with Lubricate 105. FOLLOW-ON MAINTENANCE: Install crankshaft (para.  4-9) END OF TASK 4-20