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ARMY TM 9-2815-254-24 AIR FORCE TO 38G1-94-2 b. Inspect crankshaft pulley (5) for cracks and wear. c. Inspect front gear cover (9) for cracks or other physical damage. 3-25.3.  Installation. a. b. c. d. e. f. g. Install  new  crankshaft  front  oil  seal  (12,  FIGURE  3-50)  in  front  gear  cover  (9)  using  oil  seal  installer (5-6522-9613-0) Install two new preformed packings (11) in front gear cover. Install dial pointer (6). Insert new preformed packing (10) firmly into groove on front gear cover. Position front gear cover (9) on engine block and secure with thirteen screws (8). Tighten each bolt to 168 ftlbs (19.9 Nm) in the sequence shown in FIGURE 3-51. Install two screws (7). NOTE Verify  engine  is  at  TDC  by  viewing  “ZZ”  mark  on  timing  gear  visible through front cover access panel. Install  crankshaft  pulley  (5,  FIGURE  3-50)  on  crankshaft,  aligning  mark  on  pulley  with  pointer  and  secure  with bolt (4). Tighten bolt to 137 ft-Ibs (166.0 Nm). FIGURE   3-51.   Front   Gear   Cover   Screw   lightening   Sequence 3-101


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