TM-9-2350-261-20-4 Unit Maintenance Manual Volume 4 M113A2 M577A2 M1064 M1068 M1059 M901A1 Download
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TM 9-2350-261-20-4 REPLACE M13 NBC HEATERS AND MOUNTS (M577A2 ONLY) — Continued 0672 00 1 1. R em ove tw o screws (8 ), f ou r w ashers (9), two lockn uts (1 0), a nd b racket (11) with sw itch a ssem bly (12) from Discard locknuts. 12. Remove six screws (13), 12 washers (14), six locknuts (15), and frame (7) from welded molding. Discard locknuts. 13. Remove hose (16) and circuit 579C lead (17) from frame (7). 14. Remove circuit 537E, 537D, and 537C leads (18), (19), and (20) from operator’s heaters (21), (22), and (23) respectively. 15. Loosen two clamps (24) and remove inlet and outlet hoses (25) and (26) from heater (21). 16. Loosen two clamps (27) and remove inlet and outlet hoses (28) and (29) from heater (22). 17. Loosen two clamps (30) and remove inlet and outlet hoses (31) and (32) from heater (23). 18. Remove four screws (33), eight washers (34), and four locknuts (35) from each operator’s heater (21), (22), and (23). Discard locknuts. 19. Remove heaters from welded mounts (36), (37), and (38). 0672 00-3