FUEL RECIRCULATION - COOLING - FAULT ISOLATION PROCEDURES
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TASK 28-16-00-810-801
IDG 1(2) Oil Overheating
WARNING : OBEY THE FUEL SAFETY PROCEDURES.
_______
R WARNING : WHEN YOU DO WORK ON THE FUEL SYSTEM WIRING, YOU MUST USE TEST_______
R EQUIPMENT THAT IS APPROVED (REFER TO INTERNATIONAL OR NATIONAL
R SPECIFICATIONS FOR INTRINSICALLY SAFE TEST EQUIPMENT, E.G. EN50-020,
R UL913 OR EQUIVALENT). TEST EQUIPMENT THAT IS NOT APPROVED CAN CAUSE
R FIRE OR AN EXPLOSION.
1. Possible Causes
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- FLSCU-1 (7QJ)
- FLSCU-2 (9QJ)
- CHECK VALVE-FUEL RECIRCULATION, L (122QM)
- CHECK VALVE-FUEL RECIRCULATION, R (123QM)
- VALVE-PRESSURE HOLDING, L WING TANK (124QM)
- VALVE-PRESSURE HOLDING, R WING TANK (125QM) R - VALVE-PRESSURE HOLDING (218QM) R - VALVE-PRESSURE HOLDING (219QM)
- Fuel Return Valve (FRV)
- aircraft wiring
- fuel recirculation (cooling) pipe
2. Job Set-up Information
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A. Fixtures, Tools, Test and Support Equipment
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REFERENCE QTY DESIGNATION
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No specific multimeter
B. Referenced Information
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REFERENCE DESIGNATION
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AMM 12-11-28-650-003
AMM 12-11-28-650-004 R AMM 24-21-00-710-040 R
AMM 28-00-00-000-001
AMM 28-00-00-400-001 R AMM 28-16-00-710-002 R
Pressure Refuel with Automatic ControlPressure Refuel with Manual Control Operational Test of the IDG Disconnect and Reconnect (Reset) Function - Engine StaticRemoval of the Fuel PipesInstallation of the Fuel Pipes Operational Check of Pylon Check Valve to Ensure Valve not Failed Open
「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 ∞∞28-16-00∞∞∞∞∞∞∞∞∞∞Page 201
May 01/04 CES
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REFERENCE DESIGNATION
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AMM 28-16-41-000-001 Removal of the Pressure-Holding Valve 124QM (125QM)
AMM 28-16-41-400-001 Installation of the Pressure-Holding Valve 124QM
(125QM) AMM 28-16-42-000-001 Removal of the Fuel Recirculation Check-valve AMM 28-16-42-400-001 Installation of the Fuel Recirculation Check-valve AMM 28-16-43-000-001 Removal of the Pressure Holding Valve 218QM(219QM) AMM 28-16-43-400-001 Installation of the Pressure Holding Valve
218QM(219QM) AMM 28-46-34-000-001 Removal of the Fuel-Level Sensing Control-Unit (FLSCU) (7QJ,9QJ) AMM 28-46-34-400-001 Installation of the Fuel-Level Sensing Control-Unit
(FLSCU) (7QJ,9QJ)
AMM 31-60-00-860-001 EIS Start Procedure
AMM 71-00-00-710-006 Minimum Idle Check
AMM 73-11-50-000-001 Removal of the Fuel Return Valve
AMM 73-11-50-400-001 Installation of the Fuel Return Valve
AMM 73-11-50-720-001 Functional Test of the Fuel Return Valve
AMM 73-25-34-000-040 Removal of the Engine Interface Unit (EIU)
(1KS1,1KS2)
AMM 73-25-34-400-040 Installation of the Engine Interface Unit (EIU)
(1KS1,1KS2)
ASM 28-16/01
3. Fault Confirmation
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A. Table of the circuit breakers referred to in this procedure:
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PANEL DESIGNATION IDENT. LOCATION
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R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
121VU FUEL/CTR TK/PUMPS1 AND 2/CTL AND IND 32QA R26
121VU FUEL/CTR TK/PUMPS1 AND 2/CTL AND IND 31QA R25
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