Covering the politics, Business and technology of defense - Subscribe Today

TM-9-1200-215-34&P Technical Manual for M109 Automatic Fire Control System (AFCS) Download

Page 108 of 266

TM 9–1200–215–34&P 3–17 3–16. HANDLE MAINTENANCE INSTRUCTIONS CONTINUED b. INSTALLATION CAUTION ESD SENSITIVE The DU 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 handle (3) with two new preformed packings (4) into housing so handle rotates toward bottom of DU (toward housing mounting feet). Ensure preformed packings (4) seat evenly against housing. 3. Install two washers (2) and two new self–locking nuts (1) on handle. Torque nuts to 140" 5 in.–lb (15.8".6 NSm). 4. Install DU bottom cover following procedure outlined in paragraph 3–13. 1 2 3 4