TM 9-2350-247-20-3REPLACE NBC M3 HEATER AND ADAPTER (M548A3) — Continued 0532 00INSTALLATIONNOTEAll five M3 heaters and adapters are installed the same way. If your carrier was converted froma M730A2, it may have five heaters, otherwise the M548A3 will have only four heaters.1. Install inlet adapter (1) and outlet adapter (2) on M3 heater (3).2. Install hose (4) on inlet adapter (1). Secure with clamp (5).3. Install M3 heater (3) on manifold (6). Secure with four screws (7), new lock washers (8), and new lock nuts (9).4. Connect electrical lead (10) of wiring harness to M3 heater lead (11).5. Install hose (12) on outlet adapter (2). Secure with clamp (13).FOLLOW-THROUGH STEPS1. Connect both battery negative leads (WP 0292 00).END OF TASK0532 00-3/4 blank
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