ARMY TM 9-2815-257-24 AIR FORCE TO 38G1-128-2 MARINE CORPS TM 10155A/2815-24/3 3-17 3-13.  FLYWHEEL HOUSING AND COVER MAINTENANCE  -  cont. C.    INSPECTION. 1. Inspect  flywheel  housing  (1,  Figure  3-3)  and  cylinder  fin  cover  (6)  for  cracks,  deformation,  or  obvious damage.  Replace if damaged. 2. Inspect seals (4, 10) for cracks, cuts, damage, or deterioration.  Replace if damaged in any way. D.    INSTALLATION. 1. Install seal (10, Figure 3-3) onto cylinder head fin cover (6).  Install cover using screw (7), grommet (8), and collar (9). 2. Install seal (4) onto flywheel housing (1). 3. Mate flywheel housing (1) to cylinder block (5).  Secure using four screws (2) and washers (3).