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/REPAIR COOLANT HEATER CONTROL BOX — Continued 0648 00 INSPECTION-ACCEPTANCE AND REJECTION CRITERIA 1. Check control box and components. See troubleshooting (WP 0070 00). Replace bad control box or components. INSTALLATION 1. Place control box case (6) on support bracket. Secure with two new lockwashers (8) and screws (7). 2. Install heater control box (4) in case (6). Secure with two screws (5). 3. Connect heater wiring harness (3) to control box (4). 4. Connect circuit 400A lead (1) to control box lead (2). FOLLOW-THROUGH STEPS 1. Connect battery ground lead (WP 0294 00). 2. Start heater (see your -10). Check that heater control box works right. Turn heater off. END OF TASK 0648 00-2