TM 9-2350-261-20-4
REPLACE M3 NBC HEATERS AND CONTROLLERS (M113A2 AMBULANCES
0687 00
ONLY) -- Continued
13. If removed, install two screws (1), new lockwashers (2), and bracket (3) on hull top plate.
14. Install eight screws (4), 16 washers (5), eight new locknuts (6), upper and lower heater (7) and (8) on bracket (3).
15. Install upper and lower inlet hoses (9) and (10) on upper and lower heater (7) and (8). Tighten clamps (11).
16. Install upper and lower outlet hoses (12) and (13) on upper and lower heater (7) and (8). Tighten clamps (14).
17. Connect circuit lead 537A (15) and circuit lead 537B (16) to upper and lower heaters (7) and (8) on right side of carrier.
FOLLOW-THROUGH STEPS
1.
Connect battery ground lead (WP 0294 00).
2.
Check air flow of NBC system. See TM 3-6680-316-10.
END OF TASK
0687 00-4