- FQIC rack connector 3QT-A, pin 4C to connector 7512VC-A, pin B (signal)

 - FQIC rack connector 3QT-A, pin 10C to connector 7512VC-A, pin T (common drive return)

 - FQIC rack connector 3QT-A, pin 13E to connector 7512VC-A, pin A (common drive).

 (c) Repair all the unserviceable wiring and connectors (Ref. ESPM 20-00-00).

 (d) Connect:

 - the connector 7512VC-A to the fused adaptor

 - the fused adaptor to the tank wall recepacle.

 (e) Install the initial FQIC 3QT (Ref. AMM TASK 28-42-34-400-001).

 (f) Do the test given in Para. 3.B.

 (11) If the fault continues, drain and open the tank to air (Ref. AMM TASK 28-10-00-910-001) and (Ref. AMM TASK 28-10-00-910-002).

 (12) Do a check of the HARNESS-CHAN B, CTR TK (18QT) (Ref. AWM 28-42-16) and replace, if necessary, (Ref. AMM TASK 28-42-44-000-002) and (Ref. AMM TASK 28-42-44-400-002).

 (13) If the harness 18QT is serviceable, replace the PROBE-FUEL QTY, NO 1 CTR TK GROUP B (35QT) (Ref. AMM TASK 28-42-15-000-002) and (Ref. AMM TASK 28-42-15-400-002).

 **ON A/C ALL
 5. Close-up
________
 A. Close-up and Removal of Equipment
 (1) Do the EIS Stop Procedure (Ref. AMM TASK 31-60-00-860-002).

 (2) If applicable, close the MLG doors (Ref. AMM TASK 32-12-00-410-001).

 (3) If necessary, de-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).

 (4) Make sure that the work area is clean, clear of tool(s) and other items.

 (5) Remove the ground support and maintenance equipment, the special and standard tools and all other items.

 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : ALL ∞∞28-42-00∞∞∞∞∞∞∞∞∞∞Page B223
 May 01/05 CES

 TASK 28-42-00-810-819
 Fuel Quantity Probe 36QT, Center Tank
 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
_______________
 - FQIC (3QT)

 - HARNESS-CHAN A, CTR TK (17QT)

 - PROBE-FUEL QTY, NO 2 CTR TK GROUP A (36QT)

 - aircraft wiring

 - fused adaptor at 7509VC

 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific multimeter
 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
ESPM 20-00-00 ESPM 20-52-21 ESPM 20-52-22 AMM 24-41-00-861-002 
AMM  24-41-00-862-002 
R R R R  AMM AMM AMM AMM AMM AMM  28-10-00-910-001 28-10-00-910-002 28-42-00-740-003 28-42-00-740-007 28-42-00-740-009 28-42-15-000-002 

Energize the Aircraft Electrical Circuits from the External PowerDe-energize the Aircraft Electrical Circuits Supplied from the External PowerSafety Procedures When You Do Work in a Fuel TankAccess to the Fuel Tanks and the Work AreasInterrogation of the FQIS Input Parameters Pages Interrogation of the (SMITHS INDUSTRIES) FQIS Trouble Shooting Data Interrogation of the (SIMMONDS/GOODRICH) FQIS Trouble Shooting DataRemoval of the Center Tank Fuel-Quantity-Probe (35QT, 36QT, 37QT, 38QT, 39QT)
 「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 ∞∞28-42-00∞∞∞∞∞∞∞∞∞∞Page B224
 Aug 01/05 CES

 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 28-42-15-000-004 Removal of the Center (Transfer) Tank Fuel-Quantity Probe (35QT, 36QT, 37QT, 38QT, 51QT) AMM 28-42-15-400-002 Installation of the Center Tank Fuel-Quantity-Probe (35QT, 36QT, 37QT, 38QT, 39QT) AMM 28-42-15-400-004 Installation of the Center (Transfer) Tank Fuel-Quantity Probe (35QT, 36QT, 37QT, 38QT, 51QT) 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
　
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