TM 9-2350-277-20-5REPLACE M13 NBC HEATERS AND MOUNTS (M577A3 ONLY) — Continued 0796 0012. If support (1) was removed, install support on forward bulkhead with two screws (2) and new lockwashers (3).13. Install commander’s heater (4) on support (1) with four screws (5) and new lockwashers (6).14. Install inlet and outlet hoses (7) and (8) and two clamps (9) on commander’s heater (4). Tighten clamps.15. Install circuit 537G lead (10) on commander’s heater (4).16. Install driver’s heater (11) on frame (12). Secure with four screws (13), eight washers (14), and four new locknuts (15).17. Install inlet and outlet hoses (16) and (17) and two clamps (18) on driver’s heater (11). Tighten clamps.18. Install circuit 579C lead (19) on driver’s heater (11).FOLLOW-THROUGH STEPS1. Connect battery ground leads (WP 0338 00).2. Start engine (see your -10).3. Raise and lock ramp (see your -10).4. Stop engine (see your -10).5. Check air flow of NBC system. Follow procedures of TM 3-6680-316-10.END OF TASK0796 00-6
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