TM 55-1945-205-24-4 0251 00 18 0251 00 010101010204 OUTPUT FLANGE Inspect    0.5 E Align 2.0 3, 7, 17 Replace      4.0 3, 7, 17 010101010205 OUTPUT SEAL Inspect 2.0 7 E Replace 2.0 3, 7 010101010206 INPUT FLANGE (ENGINE CONNECTION) Inspect    0.5 E Table 1.  MAC for Modular Causeway System. (MCS) (Continued) (1) GROUP NO. (2) COMPONENT/ASSEMBLY (3) MAINTENANCE FUNCTION (4) MAINTENANCE LEVEL (5) TOOLS AND EQUIP REF CODE (6) REMARKS CODE UNIT DS GS DEPOT C O F H D