TM 55-1520-240-T
SYMPTOM
TASK
LH FUEL PUMP AUX AFT CIRCUIT BREAKER
WILL NOT STAY CLOSED
LH FUEL PUMPS AUX FWD CIRCUIT
BREAKER WILL NOT STAY CLOSED
LH FUEL PUMP CONT AUX AFT CIRCUIT
BREAKER WILL NOT STAY CLOSED
LH FUEL PUMPS CONT AUX FWD CIRCUIT
BREAKER WILL NOT STAY CLOSED
LH FUEL PUMP CONT MAIN AFT CIRCUIT
BREAKER WILL NOT STAY CLOSED
LH FUEL PUMP CONT MAIN FWD CIRCUIT
BREAKER WILL NOT STAY CLOSED
LH FUEL PUMPS MAIN AFT CIRCUIT
BREAKER WILL NOT STAY CLOSED
LH FUEL PUMPS MAIN FWD CIRCUIT
BREAKER WILL NOT STAY CLOSED
L FUEL PRESS CAPSULE DOES NOT GO OUT
WHEN LEFT SIDE MAIN AFT FUEL PUMP
SWITCH IS SET TO ON
10-2.3
10-2.3
10-2.3
10-2.3
10-2.3
10-2.3
10-2.3
10-2.3
10-2.3
CHAPTER 10
FUEL SYSTEMS TROUBLESHOOTING
CHAPTER OVERVIEW
FAILURE SYMPTOM LIST (Continued)
FUEL BOOST PUMPS
SYMPTOM
TASK
L FUEL PRESS CAPSULE DOES NOT GO OUT
WHEN LEFT SIDE MAIN FWD FUEL PUMP
SWITCH IS SET TO ON
L OR R FUEL PRESS CAPSULE IS NOT ON
LEFT OR RIGHT SIDE AUX PRESS LIGHT
DOES COME ON WHEN PRESSED TO TEST
LEFT SIDE AUX PRESS LIGHT COMES ON
WHEN LEFT SIDE AUX AFT FUEL PUMP
SWITCH IS SET TO ON
LEFT SIDE AUX PRESS LIGHT COMES ON
WHEN LEFT SIDE AUX FWD FUEL PUMP
SWITCH IS SET TO ON
R FUEL PRESS CAPSULE DOES NOT GO OUT
WHEN RIGHT SIDE MAIN AFT FUEL PUMP
SWITCH IS SET TO ON
R FUEL PRESS CAPSULE DOES NOT GO OUT
WHEN RIGHT SIDE MAIN FWD FUEL PUMP
SWITCH IS SET TO ON
RH FUEL PUMPS AUX AFT CIRCUIT
BREAKER WILL NOT STAY CLOSED
10-2.3
10-2.3
10-2.3
10-2.3
10-2.3
10-2.3
10-2.3
10-2.3
SYMPTOM
TASK
RH FUEL PUMP CONT AUX AFT CIRCUIT
BREAKER WILL NOT STAY CLOSED
RH FUEL PUMP CONT AUX FWD CIRCUIT
BREAKER WILL NOT STAY CLOSED
RH FUEL PUMPS AUX FWD CIRCUIT
BREAKER WILL NOT STAY CLOSED
RH FUEL PUMPS MAIN AFT ClRCUIT
BREAKER WILL NOT STAY CLOSED
RH FUEL PUMPS MAIN FWD CIRCUIT
BREAKER WILL NOT STAY CLOSED
RH FUEL PUMP CONT MAIN AFT CIRCUIT
BREAKER WILL NOT STAY CLOSED
RH FUEL PUMP CONT MAIN FWD CIRCUIT
BREAKER WILL NOT STAY CLOSED
RIGHT SIDE AUX PRESS LIGHT COMES ON
WHEN RIGHT SIDE AUX AFT FUEL PUMP
SWITCH IS SET TO ON
RIGHT SIDE AUX PRESS LIGHT COMES ON
WHEN RIGHT SIDE AUX FWD FUEL PUMP
SWITCH IS SET TO ON
10-2.3
10-2.3
10-2.3
10-2.3
10-2.3
10-2.3
10-2.3
10-2.3
10-2.3
10-2.2