TM-9-2350-277-20-5 Unit Maintenance Manual Volume 5 M113A3 M577A3 M1064A3 M1068A3 M58 Download
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TM 9-2350-277-20-5 REPLACE M13 NBC HEATER WIRING HARNESS (M1068A3 ONLY) — Continued 0809 00 7. Remove three screws (1), six washers (2), locknuts (3), and clamps (4) from frame (5) and crossbeam. Remove clamps from commander’s heater inlet hose (6) and wiring harness (7). Discard locknuts. 8. Remove screw (8), lockwasher (9), and clamp (10) from forward bulkhead. Remove clamp from hose (6) and wiring harness (7). Discard lockwasher. 9. Remove circuit lead 537B (11) from commander’s heater (12). 10. Cut tie straps (13) that secure wiring harness (7) to adjacent wiring harnesses and hoses. Discard tie straps. 11. Pull circuit lead 537B (11) through grommet (14) on hose (6). 12. Remove circuit lead 579C (15) from air filter switch (16). 0809 00-3