TM 1-1520-238-T-7 11–278 11–55. CPG DIR LVDT NO-GO CPG COMPARTMENT – APPEARS ON HOD 11–55 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. Place CPG directional pedals to full right or full left. Detach P686. Check for 10 VAC at P686–41. Is voltage present? YES (ACA) Replace DASEC (TM 1-1520-238-23). (ACB) Go to step 2. NO (ACA) Go to step 3. (ACB) Go to step 4. 2. (ACB) Attach P686. Detach filter adapter A707. Check for 10 VAC at A707–41. Is voltage present? YES Replace DASEC (TM 1-1520-238-23). NO Replace filter adapter (TM 1-1520-238-23). 3. (ACA) Detach P686. Check for short between: P235–C and ground, P235–D and ground. Does short exist? YES Repair shorted wire between: P235–D and J912–B11, P235–C and J912–B12, P912–B11 and J447–B14, P912–B12 and J447–B15, P447–B14 and P686–41, P447–B15 and P686–40. Go to paragraph 11–23. NO Go to step 5. 4. (ACB) Detach P686. Check for short between: J235–3 and ground, J235–4 and ground. Does short exist? YES Repair shorted wire between: J235–4 and J912–B11, J235–3 and J912–B12, P912–B11 and J447–B14, P912–B12 and J447–B15 P447–B14 and P686–41 P447–B15 and P686–40. Go to paragraph 11–23. NO Go to step 6. 5. (ACA) Check for open between: P235–C and P686–40, P235–D and P686–41. Does open exist? YES Repair open wire. Go to paragraph 11–23. NO Go to step 7. 6. (ACB) Check for open between: J235–3 and P686–40, J235–4 and P686–41. Does open exist? YES Repair open wire. Go to paragraph 11–23. NO Go to step 9.