TM 9-2350-277-20-3REPLACE/REPAIR DISTRIBUTION BOX (M981A3 ONLY) — Continued 0273 0038. Remove nut (1), washer (2), and semiconductor (3) from bus bar (4).39. Remove two nuts (5), washers (6), and screws (7) from block E2 (8).40. Lift block E2 (8) from rear cover and separate insulator (9).41. Remove nut (10), washer (11), and lockwasher (12), if installed, and pull bolt (13) from block E2 (8). Discardlockwasher.42. Remove four locknuts (14), eight washers (15) and (16), and four screws (17) from circuit breaker CB1 (18). Discardlocknuts.43. Separate circuit breaker CB1 (18) from rear cover.44. Remove 17 grommets (19) from rear cover45. Remove four rivets (20) and two nut plates (21) from rear cover.46. Remove 20 nuts (22), lockwashers (23), screws (24) and 10 catch strikes (25) from rear cover. Discard lockwashers.47. Remove gasket (26) from rear cover.0273 00-9
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