TM 55-1520-240-T 4-4.17 NO. 2 ENGINE DOES NOT START (ENGINE FUEL SYSTEM FAILURE) (Continued) 4-4.17 DID NO. 2 ENG N1 CONT CAUTION LIGHT COME ON NO CHECK NO. 2 ENGINE FUEL SHUTOFF VALVE. IS IT NO REFER TO TROUBLE SYMP- AND STAY ON DURING EN- OPEN? TOM TASK 10-1.4. GINE START? YES YES REFER  TO  TASK  SYMP- TOM TASK 4-5.5. CHECK IMPENDING BYPASS BUTTON ON NO. 2 ENGINE FUEL FILTER. IS IT EXTEND- ED? CHECK FUEL TUBES FROM SHUTOFF VALVE TO EN- GINE. IS ANY TUBE KINKED OR  DAMAGED? REPLACE KINKED OR DAM- AGED FUEL TUBE. DISCONNECT PLUG FROM IGNITION EXCITER. DISCON- NECT FUEL LINE TO FLOW DIVIDER.  PLACE  CONTAIN- ER UNDER LINE SET  NO. 2 ENGINE  CONDITION CONTROL  LEVER TO GROUND.  SET ENGINE 2 START SW TO MOTOR. DOES FUEL FLOW INTO CONTAINER? REPLACE FUEL FLOW Dl- VIDER. REPLACE FILTER. RECONNECT LINE TO FLOW DIVIDER. DISCONNECT FUEL CONTROL OUTPUT TUBE. PLACE CONTAINER BY FUEL CONTROL PORT SET  NO. 2 ENGINE  CONDITION CONTROL  LEVER  TO GROUND. SET ENGINE 2 START SW TO MOTOR. DOES FUEL FLOW FROM FUEL CONTROL PORT? CHECK INLINE FUEL FILTER. REPLACE IF CLOGGED. IF FILTER IS CLEAN. CHECK TUBE FOR BLOCKAGE. CLEAN OR REPLACE LINE AS REQUIRED RECONNECT   OUTPUT   TUBE. DISCONNECT FUEL CON- TROL INPUT TUBE. PLACE TUBE IN CONTAINER WITH NO. 2 ENGINE CONDl- TION CONTROL LEVER AT GROUND. SET EN- GINE 2 START SW TO MOTOR. DOES FUEL FLOW FROM FUEL TUBE? REPLACE  FUEL  CONTROL. RECONNECT INPUT TUBE. CHECK TUBES BETWEEN FUEL TANK AND ENGINE FUEL  CONTROL  FOR  BLOCK- AGE. CLEAN OR REPLACE TUBE AS REQUIRED. GO TO NEXT PAGE Change 2 4-85/(4-86 blank)