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 2–9 2–12. HARD DISK DRIVE AND COVER MAINTENANCE INSTRUCTIONS CONTINUED a. REMOVAL CONTINUED NOTE Screw and seal are a unit. They cannot be requisitioned separately . 4. Remove hard disk drive (5) by removing four screws with seals (6) from side of ACU. Discard screw with seal. 5. Pull hard disk drive (5) out of ACU by handle. 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 hard disk drive (5) into ACU. 3. Insert four new screws with seals (6) into side of ACU, securing hard disk drive (5). Torque screws to 10 in.–lb (1.1 NSm). CAUTION The EMI shielding gasket is vital to this piece of equipment and is easily damaged. Handle cover with care when removing or replacing it. Failure to comply may result in damage to equipment. 4. Place cover (1) into position and align holes. 1 5 6 Change 1