TM 10-3930-664-24 3. Using  an  electric  drill  and  1/8  inch  drill  bit,  drill two holes (180 degress apart) into outer edge of oil seal (5). 4. Install #10 sheet metal screws into drilled holes. 5. Extract    oil    seal    (5)    from    carrier    using    slide hammer.  Discard oil seal. B. CLEANING 1. Clean  flywheel  in  accordance  with  paragraph  1- 24. 2. Clean   and   dry   sealing   surface   of   crankshaft. Seal  lip  and  sealing  surface  must  be  free  of  all oil residue to prevent leaks. C. INSPECTION 1. Inspect components in accordance with paragraph 1-24. 2. Inspect  flywheel  ring  gear  for  chipped,  missing, or damaged teeth. D. INSTALLATION 1. Install oil seal (5) and pilot from seal replacement kit onto crankshaft.  Push seal into bore of housing and remove pilot. NOTE Use    installation    tool    supplied    with seal  replacement  kit  to  install  seal  to correct depth. 2. Install    seal    (5)    by    tapping    with    soft    head hammer.        To    ensure    proper    seat,    alternate tapping at 12, 3, 6, and 9 o’clock positions. 3-37