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 2–34 2–20. LED 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. NOTE Insulation sleeving tubing should be twice the diameter of the part over which it will be shrunk. 2. Slide a 1 in. piece of insulation sleeving (11) onto end of each lead (6). 3. Position LED body (7) with gasket (10) into ACU housing (5) and install star washer (9) and nut (8). 4. Solder leads to back of LED. Remove tags. 5. Clean solder joints with acid swabbing brush and alcohol. 6. Slide insulation sleeving into position. 7. Using heat gun, apply heat until sleeving forms to shape of wire and terminal. 8. Tighten nut (8) and star washer (9). 11 8 9 5 10 7 5 11 6 6