(c) Do a check (Ref. AWM 28-46-01) of the aircraft wiring (FLSCU-2 BITE 1 test command line) between the FLSCU-2 rack connector AA, pin 15B and the FQIC rack connector AB, pin 12F.
(d) Do a check (Ref. AWM 28-46-03) of the aircraft wiring (FLSCU-2 LS7 output line) between the FLSCU-2 rack connector AB, pin 3A and the FQIC rack connector AC, pin 1C.
(e) Repair all the unserviceable wiring and connectors.
(f) Do the test in Para. 3.A.
(4) If the fault continues or if the resistance of the dummy sensor is not in range in Step (1):
(a) Replace the CTR TK HIGH LVL DUMMY SENSOR (6QJ).
(b) Do the test in Para. 3.A.
「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 : 301-399, ∞∞28-46-00∞∞∞∞∞∞∞∞∞∞Page A227
May 01/05R
CES **ON A/C ALL
TASK 28-46-00-810-818
FLSCU1(2) 7QJ(9QJ)
WARNING : OBEY THE FUEL SAFETY PROCEDURES.
_______
WARNING : WHEN YOU DO WORK ON THE FUEL SYSTEM WIRING, YOU MUST USE TEST
_______ EQUIPMENT THAT IS APPROVED (REFER TO INTERNATIONAL OR NATIONAL SPECIFICATIONS FOR INTRINSICALLY SAFE TEST EQUIPMENT, E.G. EN50-020, UL913 OR EQUIVALENT). TEST EQUIPMENT THAT IS NOT APPROVED CAN CAUSE FIRE OR AN EXPLOSION.
1. Possible Causes
_______________
- FLSCU-1 (7QJ)
- FLSCU-2 (9QJ)
- FQIC (3QT)
- aircraft wiring
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific multimeter
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 28-42-00-740-003 Interrogation of the FQIS Input Parameters Pages AMM 28-42-34-000-001 Removal of the Fuel Quantity-Indicating Computer (FQIC) (3QT) AMM 28-42-34-400-001 Installation of the Fuel Quantity-Indicating Computer
(FQIC) (3QT)
AMM 28-46-00-710-001 Test of the Tank High Level Sensing System
AMM 28-46-00-740-001 Functional (BITE) Test
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)
ASM 28-46/01
ASM 28-46/02
ASM 28-46/03
「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 ∞∞28-46-00∞∞∞∞∞∞∞∞∞∞Page A228
May 01/05R CES
-------------------------------------------------------------------------------
REFERENCE DESIGNATION -------------------------------------------------------------------------------
ASM 28-46/04
AWM 28-15-01
AWM 28-15-02
AWM 28-15-03
AWM 28-15-04
AWM 28-21-07
AWM 28-26-03
AWM 28-46-01
AWM 28-46-03
AWM 28-46-06
AWM 28-46-09
AWM 28-46-10
AWM 28-46-12
AWM 28-46-13
3. Fault Confirmation
__________________
A. Table of the circuit breakers referred to in this procedure:
-------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
-------------------------------------------------------------------------------
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
49VU FUEL/XFR VALVE1/WING/R 2QP A11
49VU FUEL/XFR VALVE1/WING/L 1QP A10
**ON A/C 301-399,
49VU FUEL/AFT LOW LVL/& OVFL/WING R 44QJ A11
49VU FUEL/AFT LOW LVL/& OVFL/WING L 43QJ A10
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
121VU FUEL/XFR VALVE2/WING/R 4QP M23 121VU FUEL/XFR VALVE2/WING/L 3QP M22 121VU FUEL/CTR TK/PUMPS1 AND 2/CTL AND IND 32QA R26 121VU FUEL/CTR TK/PUMPS1 AND 2/CTL AND IND 31QA R25
**ON A/C ALL
121VU FUEL/HI/LVL/SPLY 1QJ L25
「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 ∞∞28-46-00∞∞∞∞∞∞∞∞∞∞Page A229
Aug 01/05 CES -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------**ON A/C 301-399,
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