TM-9-2540-207-14&P Sustainment Manual for A20 Heater for M113 2540-01-396-2826 Download
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TM 9-2540-207-14&P 5-6 5.3 A20 Major Assemblies (Applies to all design iterations) To aid in repairs, the heater can be broken into five major assemblies: 1. Shell Assembly. 2. Vent Fan Assembly. 3. Combustion Assembly. 4. Heat Exchanger Assembly. 5. Top Housing Assembly. Figure 5.3-1 heater, Major Assemblies