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TM-9-1240-216-34 Maintenance Manual M19 and M24 Persicope Download

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TM 9-1240-216-34 CHAPTER 3 FAULT SYMPTOM INDEX Fault Isolation Procedure or Symptom Maintenance Procedure 1. Headrest does not move Disassemble headrest assembly. Repair as required (Vol smoothly II, para 4-3) 2. Elevation lock does not move Disassemble lock assembly, lubricate, repair or replace, as smoothly required (Vol II, para 4-8 and JPG) 3. Elevation lock does not lock Disassemble lock assembly, lubricate and repair, as tight required (Vol II, para 4-8 and JPG) 4. No image (in one or both Para 4-2 (old configurations) Para 4-5 (new eyepieces) when power supply configurations) is on 5. Poor focus (one one or both Para 4-3 (old configurations) Para 4-5 (new eyepieces) configurations) 6. Image dim (not bright) or Para 4-4 (old configurations) Para 4-5 (new flickering (not stable) configurations) Vol I 3-1/(3-2 blank)