TM 1-1520-238-T-7 11–307 11–75. BUCS TRACER NO-GO – APPEARS ON HOD 11–75 Tools: Nomenclature Part Number Tool Kit, Electrical SC518099CLA06 Repairer’s Multimeter, Digital AN/PSM-45 Personnel Required: 68X Armament/Electrical Systems Repairer One person to assist References: TM 1-1520-238-23 Equipment Conditions: Ref Condition TM 1-1520-238-23 Access provisions – R295 door open WARNING Turn off power before detaching or attaching wires and connectors. High current 28 VDC or 115 VAC is present. Failure to do so could result in death or serious injury. 1. Check for 28 VDC at P686–60. Is voltage present? YES Go to step 2. NO Repair open wire between J415 SP1 and P686–60. Go to paragraph 11–23. 2. Check for 28 VDC at P686–59. Is voltage present? YES Go to step 3. NO Repair open wire between J415 SP1 and J417 SP1, J417 SP1 and J408 SP1, J408 SP1 and P686–59. Go to paragraph 11–23. 3. Check for 28 VDC at P686–61. Is voltage present? YES Go to step 5. NO Go to step 4. 4. Check for 28 VDC at J756–24. Is voltage present? YES Repair open wire between: P756–24 and J215 SP1, J215 SP1 and J756–22, J756–22 and P402–B17, J402–B17 and P686–61. Go to paragraph 11–23. NO Repair open wire between: J756–24 and P402–B19. (A323): J5–A4 and TB3–4–P. (ACA) J402–B19 and P499–A4. (ACB) J402–B19 and P693 SP1, P693 SP1 and P499–A4. Go to paragraph 11–23. 5. Check for 28 VDC at P686–62. Is voltage present? YES Go to step 6. NO Repair open wire between: J417 SP1 and P449–A3, P499–A7 and P686–62. (A323): J5–A3 and TB3–3–J, TB3–3–K and J5–A7. Go to paragraph 11–23. 6. Check for 28 VDC at P686–51. Is voltage present? YES Go to step 10. NO Go to step 7. 7. Check for 28 VDC at J266–1. Is voltage present? YES Go to step 8. NO Go to step 9.