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 12. 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 bracket (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 STEPS 1. Connect battery ground lead (WP 0294 00). 2. Raise and lock ramp (see your -10). 3. Stop engine (see your -10). 4. Check air flow of NBC system. See TM 3-6680-316-10. END OF TASK 0672 00-6