1. Possible Causes
_______________
 - CTL PNL-REFUEL/DEFUEL (800VU)

 - SW-MODE SELECT/REFUEL/OFF/DEFUEL/XFR (3QU)

 - VALVE-REFUEL, L WING TK (7QU)

 - VALVE-REFUEL, R WING TK (8QU)

 - VALVE-REFUEL, CTR TK (10QU)

 - RELAY-L WING TK REFUEL VALVE CONTROL (15QU)

 - RELAY-R WING TK REFUEL VALVE CONTROL (16QU)

 - RELAY-CTR TK REFUEL VALVE CONTROL (17QU)

 - FLSCU-1 (7QJ)

 - FLSCU-2 (9QJ)

 - SW-REFUEL VALVES/OPEN/NORM/SHUT, L WING TK (5QU)

 - SW-REFUEL VALVES/OPEN/NORM/SHUT, R WING TK (6QU)

 - SW-REFUEL VALVES/OPEN/NORM/SHUT, CTR TK (4QU)

 - CANISTER-REFUEL VALVE, L WING TK (19QM)

 - CANISTER-REFUEL VALVE, R WING TK (20QM)

 - CANISTER-REFUEL VALVE, CTR TK (88QM)

 - L(R) HI LEVEL SENSOR 17QT1(2)

 - C HI LEVEL SENSOR (20QJ)

 - C/B-FUEL/RFL/DFL/SUPPLY (2QU)

 - aircraft wiring

 - soleniod valve

 - applicable diodes (part of diode module 78VD)

 - REFUEL DIFFUSER ASSEMBLY - WING TANK

 - REFUEL DIFFUSER ASSEMBLY - CENTER TANK

 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞28-25-00∞∞∞∞∞∞∞∞∞∞Page 219
 May 01/04 CES

 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific multimeter
 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-67-00-810-801
28-46-00-810-803
28-46-00-810-805

AMM  12-11-28-650-004 
AMM  12-11-28-650-005 
AMM  28-25-42-000-001 
AMM  28-25-42-000-002 
AMM  28-25-42-400-001 
AMM  28-25-42-400-002 
AMM  28-25-51-000-001 
AMM  28-25-51-000-002 
AMM  28-25-51-000-003 
AMM  28-25-51-400-001 
AMM  28-25-51-400-002 
AMM  28-25-51-400-003 
AMM  28-25-52-000-001 
AMM  28-25-52-000-002 
AMM  28-25-52-400-001 
AMM  28-25-52-400-002 
AMM  28-25-55-000-001 
AMM  28-25-55-400-001 
AMM  28-46-00-740-001 
AMM  28-46-34-000-001 
AMM  28-46-34-400-001 
ASM  28-25/01
 ASM  28-25/03

Refueling not PossibleL(R) High Level Sensor 17QJ1(2)Center Tank High Level Sensor 20QJPressure Refuel with Manual ControlPressure Refuel without Electrical PowerRemoval of the Refuel Diffuser Assembly - Wing TanksRemoval of the Refuel Diffuser Assembly - Center TankInstallation of the Refuel Diffuser Assembly - Wing TanksInstallation of the Refuel Diffuser Assembly - Center TankRemoval of the Refuel Valve 7QU, (8QU)Removal of the Refuel Valve 10QURemoval of the Solenoid ValveInstallation of the Refuel Valve 7QU, (8QU)Installation of the Refuel Valve 10QUInstallation of the Solenoid ValveRemoval of the Refuel Valve Canister 19QM (20QM)Removal of the Refuel Valve Canister 88QMInstallation of the Refuel Valve Canister 19QM (20QM)Installation of the Refuel Valve Canister 88QMRemoval of the Refuel Panel 800VUInstallation of the Refuel Panel 800VUFunctional (BITE) TestRemoval of the Fuel-Level Sensing Control-Unit (FLSCU) (7QJ,9QJ)Installation of the Fuel-Level Sensing Control-Unit (FLSCU) (7QJ,9QJ)
 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞28-25-00∞∞∞∞∞∞∞∞∞∞Page 220
 May 01/04R
 CES

 3. Fault Confirmation
__________________

 A. Table of the circuit breakers referred to in this procedure:
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU FUEL/HI/LVL/SPLY 1QJ L25 121VU FUEL/RFL/DFL/SPLY 2QU L24
 B. Test
 (1) Make sure that you obey the steps in the pressure refuel with manual control (Ref. AMM TASK 12-11-28-650-004).
 NOTE : A refuel valve will not open if the related tank is full of
____ fuel. This is done to prevent a fuel spillage.
　
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