ARMY TM 9-2815-257-24 AIR FORCE TO 38G1-128-2 MARINE CORPS TM 10155A/2815-24/3 5-8 5-7.  CRANKSHAFT ASSEMBLY MAINTENANCE  -  cont. A.    REMOVAL. 1. Remove flywheel housing (1, Figure 5-1) from cylinder block (7) by removing fours screws (2), washers (3), collars (4), and spacers (5).  Remove seal (6). 2. Using flywheel locking handle, hold flywheel (10) in place and remove nut (8) and washer (9). 3. Carefully remove flywheel (10) from crankshaft using flywheel remover.  Use care to prevent damage to flywheel fins. 4. Remove key (11, Figure 5-1).  Remove bearing holder (10, Figure 5-2) and  screw (11). 5. Carefully  remove  assembled  crankshaft  (5)  from  cylinder  block,  taking care not to damage oil seal (3).   Remove key (9). 6. Remove bolt (1) and washer (2).  Remove oil seal (3) and bearing (4) only if replacement is required. NOTE Bearing (6, Figure 5-2) and gears (7, 8) are supplied with crankshaft (5) as a matched set.   Do not remove from crankshaft. B.    CLEANING.   Cleaning solvents are flammable and toxic to eye, skin, and respiratory tract.  Skin and eye protections are required when working in contact with cleaning solvents.  Avoid repeated or prolonged contact.  Work in well ventilated area only.  Keep away from heat, sparks, and open flame.  Do not smoke while using cleaning solvent.  Failure to observe this warning can result in injury or death to personnel. Clean components with cleaning solvent and a clean rag.  Allow to air dry. WARNING