ARMY TM 9-2815-254-24
AIR FORCE TO 38G1-94-2
Inspect crankshaft pulley (5) for cracks and wear.
Inspect front gear cover (9) for cracks or other physical damage.
Install new crankshaft front oil seal (12, FIGURE 3-50) in front gear cover (9) using oil seal installer
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).
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