TM-9-1200-215-34&P Technical Manual for M109 Automatic Fire Control System (AFCS) Download
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TM 9–1200–215–34&P 3–12 3–14. ELECTROLUMINESCENT P ANEL MAINTENANCE INSTRUCTIONS CONTINUED b. INSTALLATION CONTINUED 3. Clean filter glass (17) using alcohol and cloth. Place filter glass into position in DU housing. NOTE Four hex head screws marked “A” on illustration require two washers each. 4. Refer to illustration for proper placement and place EL panel (16) into position in DU housing. Align screw holes and secure to housing with eight hex head screws (14) and 12 flat washers (15). Torque eight screws (14) to 11"1 in.–lb (1.2".1 NSm). 5. Connect connector A1P4 (12) to EL panel receptacle J4 (13). Secure connector by torquing two captive screws (11) to 5.5".5 in.–lb (.6".1 NSm). 6. Connect connector A1P1 (9) to EL display receptacle (10). Secure connector by torquing two captive screws (8) to 5.5".5 in.–lb (.6".1 NSm). 7. Connect connector A1P3 (6) to EL panel receptacle (7). Secure connector by torquing two captive screws (5) to 3".2 in.–lb (.34".02 NSm). 8. Insert handle (3) with two new preformed packings (4) through holes in DU housing and secure with two flat washers (2) and two new self–locking nuts (1). Torque handle nuts to 140".5 in.–lb (15.8".1 NSm). 9. Install DU bottom cover following procedure outlined in paragraph 3–13. 1 2 3 A A A A 17 15 14 7 6 5 10 9 8 11 12 14 15 16 13 4