S 653-087
(3)
Do a manual pressure refuel operation (AMM 12-11-03/301).
S 653-051
WARNING: THERE IS NO OVERFILL PROTECTION IF YOU OPENED THE FUEL OVERFILL
_______ CONTROL CIRCUIT BREAKER TO QUICKLY BEGIN THE REFUEL OPERATION AGAIN (AMM 28-21-00/201). WITHOUT OVERFILL PROTECTION A FUEL SPILL CAN OCCUR. A FUEL SPILL CAN CAUSE A FIRE OR AN EXPLOSION.
(4)
Monitor the fuel flow meter.
(5)
Stop the upload at the fuel sheet requirements.
S 653-052
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S 653-088
(6) Complete the manual pressure refuel operation (AMM 12-11-03/301).
G. Put the Airplane Back to the Usual Condition
S 863-053
WARNING: MAKE SURE TO CLOSE THE FUEL OVERFILL CONTROL CIRCUIT BREAKER.
_______ IF THE CIRCUIT BREAKER IS NOT CLOSED, THE OVERFILL PROTECTION SYSTEM IS DISABLED. THERE IS NO INDICATION FOR A DISABLED OVERFILL PROTECTION SYSTEM. IF THE CIRCUIT BREAKER IS OPENED DURING A SUBSEQUENT OVERFILL CONDITION, FUEL CAN OVERFLOW THE SURGE TANK AND A FUEL SPILL CAN OCCUR. A FUEL SPILL CAN CAUSE A FIRE OR AN EXPLOSION.
(1) Close this circuit breaker and remove the DO-NOT-CLOSE tag (if opened):
(a) P415 Power Distribution Center - Right 1) 415M14 FUEL OVERFILL CONTROL
S 653-054
(2)
Make a logbook entry of the overfill condition.
S 653-055
(3)
Schedule a maintenance task to troubleshoot and repair the cause of the overfill condition (FIM 28-21-00/101).
TASK 12-11-06-603-089
5. Refuel Operation - Fuel Spill Condition_______________________________________
A. General
(1)
Do this procedure if there is a fuel spill during a refueling operation.
(2)
When fuel enters the surge tanks, the overfill protection system commands the fuel quantity processor unit (FQPU) to close all of the refuel valves. If the overfill protection system is inoperative or the overfill condition can not be controlled by refuel valve position a fuel spill can occur.
(3)
Troubleshooting for this condition is given in this FIM procedure:
(a) Overfill or Overboard Fuel Spill During a Refuel Operation (FIM 28-21-00/101).
B. References
(1)
AMM 12-11-01/301, Fuel Servicing
(2)
AMM 12-11-03/301, Manual Pressure Refuel
(3)
AMM 12-11-04/301, Overwing Refueling
(4)
AMM 28-21-00/201, Refuel
(5)
AMM 28-26-00/201, Defuel
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(6) FIM 28-21-00/101, Refuel
C. Access
(1)
Location Zones
500 Left Wing
600 Right Wing
(2)
Access Panels
521CB Fueling Control Panel Access Door
D. Airplane Precautions
S 653-056
WARNING: OBEY ALL THE FUEL SERVICING AND MANUAL PRESSURE REFUEL
_______ PRECAUTIONS IN AMM 12-11-01/301. FAILURE TO OBEY THE PRECAUTIONS CAN CAUSE SERIOUS INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(1) Read and obey the precautions in this task: Precautions and Limits for Fuel Servicing (AMM 12-11-01/301).
E. Stop the Refuel Operation When a Fuel Spill Occurs
S 653-057
(1)
If a fuel spills occurs, release the deadman switch to stop the fuel flow.
S 653-058
(2)
Put the ALL VALVES switch to the CLOSED position (if opened).
S 653-059
(3)
Put the individual refuel valve switches to the CLOSED position (if opened).
S 653-060
(4)
Do the emergency fuel spill procedures provided by the airport and airline operator.
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