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 2–33 2–20. LED MAINTENANCE INSTRUCTIONS CONTINUED a. REMOVAL CONTINUED CAUTION The connector panel assembly is attached by cables to internal components of ACU and cannot be moved very far from housing without putting strain on those cables. Exercise caution when removing bottom cover from ACU housing. Failure to comply may result in damage to equipment. 2. Remove ACU connector panel assembly (1) by removing 16 screws (2) and 16 flat washers (3). Lift connector panel off housing. CAUTION The EMI shielding gasket is vital to this piece of equipment and is easily damaged. Handle with care when removing or replacing it. Failure to comply may result in damage to equipment. 3. Inspect EMI shielding gasket (4) in groove in housing (5) for cuts, nicks, or signs of stretching. Discard EMI shielding gasket if unserviceable. NOTE Tag both leads before cutting. 4. Cut leads (6) from back of LED (7). 5. Remove nut (8) and star washer (9). 6. Pull body of LED (7) with gasket (10) from the front of the housing (5). 7. Remove and discard insulation sleeving (1 1) from leads (6). 1 2 3 4 11 11 6 8 9 5 7 10 5 6