TM-9-2350-247-20-3 Unit Maintenance Manual Volume 3 M548A1 M548A3 Tracked Cargo Carrier Download
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TM 9-2350-247-20-3 REPLACE/REPAIR HEATER CONTROL BOX — Continued 0472 00 b. Install jumper 15-17 (15), lead 17-3 (20), lead 17 (11), and lead 16 (10) on circuit breaker (21) with two lock washers (22) and screws (23). INSTALLATION 1. Place two new lock washers (1) and control box case (2) on two hull weld nuts (3). Secure with two screws (4). 2. Install heater control box (5) in control box case (2). Secure with two screws (6). 3. Connect heater wiring harness (7) to heater control box (5). 4. Connect circuit 400 lead (8) to heater control box lead (9). 0472 00-7