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 4–5 4–11. MANUAL TROUBLESHOOTING PROCEDURE DESCRIPTION This task covers: Manual Troubleshooting INITIAL SETUP Tools: Tool Kit, JTK–17LAL (item 34, Appendix E) Tool Kit, General Mechanic’s (item 42, Appendix E) Electronic Shop, Transportable, AN/TSM–191(V)3 (item 11, Appendix E) Work Station Kit ESD (item 38, Appendix E) Test Program Set, LRU (item 37, Appendix E) Equipment Condition: Unenergized PDIU on workbench Personnel Required: One MOS 35Y CAUTION ESD SENSITIVE This procedure involves electrostatic discharge (ESD) sensitive parts. Operator must be properly grounded to static pad set before handling equipment. NOTE PDIU Assembly TPS–LRU must be loaded into the AN/TSM–191(V)3 before attempting this procedure. This task covers PDIU test before and after maintenance. MANUAL TROUBLESHOOTING 1. Attach ESD grounding strap to wrist and ground to ensure ESD protection. 2. Select and load the PDIU Test Program. 3. At system video display, enter steps to begin test. 4. Follow instructions shown on video display and connect PDIU assembly to AN/TSM–191(V)3. 5. Observe test results and instructions on terminal display. NOTE If PDIU passes all tests, perform steps 6 and 7. If PDIU fails tests, perform steps 8 and 9. 6. Remove PDIU assembly from AN/TSM–191(V)3. 7. Forward PDIU assembly to spares stores. 8. Forward PDIU assembly to appropriate repair activity with test results. 9. Repair faulty PDIU component in accordance with procedures in Section V and repair parts authorized in Appendix C. For repair beyond field level, forward to Depot.