TM 1-1520-238-T-7 Change 5 10–130.5 10–35C. PILOT AND CPG GREEN XFEED INDICATORS ARE NOT LIGHTED 10–35C WITH ENGINE 1 AND ENGINE 2 CROSSFEED VALVES AT AFT (ADB) 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 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 P939–9. Is voltage present? YES Go to step 2. NO Go to step 5. 2. Check for open between (L2) J1–9 and J1–10. Does open exist? YES Replace engine 2 fuel crossfeed/shutoff valve (TM 1-1520-238-23). NO Go to step 3. 3. Check for open between P939–10 and P442–B7. Does open exist? YES Repair open wire. Go to paragraph 10–17. NO Go to step 4. 4. Check for open between (A402): J5–B7 and TB2–17–H, TB2–17–H and TB2–17–B, XK5–6–X1 and TB2–17–B, XK5–6–X2 and GS10–B, XK5–6–A1 and J16–A1, XK5–6–A2 and GS10–A. Does open exist? YES Repair open wire (A402) TB2–17 Go to paragraph 10–17, or replace terminal board (TM 1-1520-238-23). NO Replace relay (A402)K5–6 (TM 1-1520-238-23). 5. Check for open between P939–9 and P442–B6. Does open exist? YES Repair open wire. Go to paragraph 10–17. NO Go to step 6. 6. Check for open between (A402): J5–B6 and J22–A3. Does open exist? YES Repair open wire between: TB2–31–Z and J5–B6, TB2–31–Y and J22–A3, Go to paragraph 10–17, or replace terminal board (A402) TB2–31 (TM 1-1520-238-23). NO Go to step 7. 7. Check for open between P457–A3 and P938–7. Does open exist? YES Repair open wire. Go to paragraph 10–17. NO Go to step 8.