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TM-9-2350-261-20-2 Unit Maintenance Manual Volume 2 M113A2 M577A2 M1064 M1068 M1059 M901A1 Download

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TM 9-2350-261-20-2 REPAIR SERVICE AND INFRARED HEADLIGHTS — Continued 0257 00 CLEAN, INSPECT, AND REPAIR 1. Check lens. Replace cracked or chipped lens. 2. Check lamp unit. See troubleshooting (WP 0031 00 or WP 0032 00). Replace bad lamp unit. 3. Check door, body, and retainer plates. Replace headlight if any part is missing or damaged (WP 0256 00). ASSEMBLY 1. Install new lockwasher (1) and screw (2) in mount (3). C A U T I O N Use care when tightening four mount screws (5). Do not overtighten. Overtightening the screws will strip the housing threads. 2. Install new preformed packing (4), mount (3), and four screws (5) in body (6). 3. Connect lamp unit (7) to plug in lamp body (6) with word FOG at the bottom. 4. Install lamp unit (7), retainer plate (8), and three screws (9) in body (6). 5. Install new gasket (10), lens (11), retainer plate (12), and four screws (13) in door (14). 6. Install new preformed packing (15), door (14), and four screws (16) on body (6). FOLLOW-THROUGH STEPS 1. Install service and/or infrared headlight (WP 0256 00). END OF TASK 0257 00-2