(7)
Remove the fused adapter (24) from the electrical backshell (21).
(8)
Remove and discard the the lockwire from the nut (19).
(9)
Remove the nut (19) and the washer (18).
(10)
Remove the electrical backshell (21) and the O-ring (17) from the tank wall.
(11)
Make sure that the center tank harness (22) is free to move through its conduit (16).
(12)
Carefully pull the electrical backshell (21) to remove the center tank harness from the aircraft. When you remove the center tank harness make sure that it does not catch.
(13)
Remove the center tank harness from the string. Make sure that you do not pull the string out of the conduit (16).
R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 28-42-44Page 416 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1
**ON A/C ALL
TASK 28-42-44-400-001
Installation of the Center Tank Harness 17QT
WARNING : MAKE SURE THAT THE FLIGHT CONTROL SAFETY-LOCKS AND THE WARNING
_______ NOTICES ARE IN POSITION.
WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______ GEAR.
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific adhesive tape No specific plastic spatula No specific safety barriers No specific access platform 4 m (13 ft. 1 in.) No specific Torque Wrench : range 2.00 to 20.00 m.daN
(15.00 to 150.00 lbf.ft)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 09-001 USA MIL-S-8802 TYPE I CLASS A FUEL TANK SEALANTPOLYSULFIDE (Ref. 20-31-00) Material No. 11-026 GB DEF-STAN 68-148/1 SOLVENT GENERAL PURPOSE (Ref. 20-31-00) Material No. 19-003 USA AMS 3819 LINT-FREE COTTON CLOTH (Ref. 20-31-00)
Material No. 19-010 USA AMS 5687 LOCKWIRE STAINLESS STEEL ANNEALED 0.8MM DIA (Ref. 20-31-00)
R 1EFF : ALL 1 28-42-44Page 417 1 1 May 01/05 1 1 1CES 1
C. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
28-10-00-910-001 Safety Procedures When You Do Work in a Fuel Tank 28-10-00-910-002 Access to the Fuel Tanks and the Work Areas 28-25-00-650-001 Pressure Defuel 28-42-00-740-001 Status Report (BITE) 28-42-15-400-004 Installation of the Center (Transfer) Tank
Fuel-Quantity Probe (35QT, 36QT, 37QT, 38QT, 51QT) 28-42-16-400-002 Installation of the Cadensicon 20QT 28-42-47-400-001 Installation of the Ultracomp (50QT) 28-46-00-740-001 Functional (BITE) Test 28-46-15-400-012 Installation of the Center-Tank Fuel-Level Sensors 32-12-00-410-001 Close the Main Gear Doors after Access 57-17-11-000-001 Removal of the Covers 147AZ (148AZ) 57-17-11-400-001 Installation of the Covers 147AZ (148AZ)
**ON A/C 001-049, 051-061, 101-105, 201-203, 301-399,
28-42-44-991-002 Fig. 401
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
Post SB 28-1087 For A/C 001-049,051-061,101-105,201-203,
28-42-44-991-002-A Fig. 401A
**ON A/C ALL
3. Job Set-up
__________
Subtask 28-42-44-941-052
A. Safety Precautions
WARNING : OBEY THE SAFETY PROCEDURES WHEN YOU DO WORK IN A FUEL TANK.
_______
(1)
You must obey the fuel safety procedures (Ref. TASK 28-10-00-910-001) when you do work in a fuel tank.
(2)
Make sure that the safety barriers are in position.
1EFF : ALL 1 28-42-44Page 418 1 1 Aug 01/05 1 1 1CES 1 Subtask 28-42-44-860-050
B. Aircraft Maintenance Configuration
(1)
Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-1QL, 2QL, 3QL, 1QT, 2QT and 8QT.
(2)
Make sure that the applicable fuel tank is defueled (Ref. TASK 28-25-00-650-001) .
(3)
Make sure that the access platform is below the applicable cover 147AZ(148AZ).
(4)
Make sure that the applicable access panels 147AZ(148AZ) have been removed (Ref. TASK 28-10-00-910-002), (Ref. TASK 57-17-11-000-001).
4. Procedure
_________
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