(6) 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).
(7) If the harnesses 17QT and 18QT are serviceable, replace the ULTRACOMP-CENTER TANK (50QT) (Ref. AMM TASK 28-42-47-000-001) and (Ref. AMM TASK 28-42-47-400-001).
NOTE : If the center tank ultracomp 50QT is replaced, 1500kg (3300lb)
____ of fuel must be put in the center tank before you can fully test the ultracomp.
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.
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : 301-399, ∞∞28-42-00∞∞∞∞∞∞∞∞∞∞Page B291
Aug 01/05R CES
TASK 28-42-00-810-827
Fuel Quantity Probe 51QT, 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 B, CTR TK (18QT)
- PROBE-FQI NO. 5, CENTER TANK (51QT)
- aircraft wiring
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
ESPM 20-00-00 ESPM 20-52-21 ESPM 20-52-22 AMM 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the
External Power AMM 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied
from the External Power AMM 28-10-00-910-001 Safety Procedures When You Do Work in a Fuel Tank AMM 28-10-00-910-002 Access to the Fuel Tanks and the Work Areas AMM 28-42-00-740-003 Interrogation of the FQIS Input Parameters Pages
R AMM 28-42-00-740-009 Interrogation of the (SIMMONDS/GOODRICH) FQIS Trouble R Shooting Data AMM 28-42-15-000-004 Removal of the Center (Transfer) Tank Fuel-Quantity Probe (35QT, 36QT, 37QT, 38QT, 51QT) AMM 28-42-15-400-004 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
(FQIC) (3QT) AMM 28-42-44-000-002 Removal of the Center Tank Harness 18QT AMM 28-42-44-400-002 Installation of the Center Tank Harness 18QT AMM 31-32-00-860-001 Procedure to Get Access to the SYSTEM REPORT/TEST
Menu Page
AMM 31-60-00-860-001 EIS Start Procedure
「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, ∞∞28-42-00∞∞∞∞∞∞∞∞∞∞Page B292
Aug 01/05 CES -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-60-00-860-002 EIS Stop Procedure
AMM 32-12-00-010-001 Open the Main Gear Doors for Access
AMM 32-12-00-410-001 Close the Main Gear Doors after Access
R AMM 28-42-00 P.Block 001 QUANTITY INDICATING ASM 28-42/09 AWM 28-42-16
3. Fault Confirmation
__________________
A. Table of the circuit breakers used in this procedure:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU FUEL/FQI/CHAN/1 1QT A13 121VU FUEL/FQI/CHAN/2 2QT M27
B. Test
(1) To keep the number of computer replacements (with no fault found) to a minimum, do the power on BITE test of the FQIS as follows:
(a) If the FQIS is not energized:
1 Close the C/Bs 1QT and 2QT.
_ 2 Energize the Aircraft Electrical Circuits from the External
_ Power (Ref. AMM TASK 24-41-00-861-002).
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