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 M3 NBC HEATER CONTROL BOX (M1068 ONLY) — Continued 0683 00 INSTALLATION 1. Remove four screws (1), washers (2), and cover (3) from control box (4). 2. Install circuit 536 cable (5) and grommet (6) in control box (4). Position terminal of cable in circuit breaker (7). Install terminal of cable and screw (8) on circuit breaker. 3. Install cover (3), four washers (2), and screws (1) on control box (4). 4. Install four screws (9), washers (10), new lockwashers (11), and control box (4) on driver’s sponson. 5. Connect wiring harness (12) to control box (4). 6. Secure cable (5) to wiring harness (12) with new tie strap (13). 7. Install cable (5), new lockwasher (15), and screw (14) on bus bar (16) in distribution box (17). FOLLOW-THROUGH STEPS 1. Install master switch panel (WP 0221 00). 2. Connect battery ground lead (WP 0294 00). END OF TASK 0683 00-2