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 2–19 2–16. DISCRETE I/O AND SERVO CCA(s) MAINTENANCE INSTRUCTIONS CONTINUED b. INSTALLATION CAUTION ESD SENSITIVE The ACU contains ESD sensitive components. Wear a protective ESD wrist strap whenever handling components. Failure to comply may result in damage to equipment. 1. Attach ESD grounding strap to wrist and ground to ensure ESD protection. 2. Install CCA (4) in proper connector on backplane (5) in ACU housing. 3. Torque screw (3) in Loktainer of CCA (4) to 25 in. oz. 4. Insert screw (1) and flat washer (2) into holddown of CCA (4). Torque screws to 5 in.–lb (0.6 NSm). 5. Install stabilizer brackets in accordance with procedures outlined in paragraph 2–14. 1 2 4 5 3