(2)
Remove the warning notice(s).
(3)
Remove the access platform(s).
(4)
Remove the ground support and maintenance equipment, the special and standard tools and all other items.
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Removal of the Wing-Tank Outer-Cell Group B Harness 16QT1(16QT2)
WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
_______ START A TASK ON OR NEAR:
-
THE FLIGHT CONTROLS
-
THE FLIGHT CONTROL SURFACES
-
THE LANDING GEAR AND THE RELATED DOORS
-COMPONENTS THAT MOVE.
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 blanking cap No specific circuit breaker(s) safety clip(s) No specific safety barriers No specific string No specific tape No specific access platform 4.0 m (13 ft. 1 in.)
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-------------------------------------------------------------------------------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
28-25-00-650-003 To Drain Remaining Fuel from the Wing Tanks and the
Center Tank
28-46-15-000-001 Removal of the Wing-Tank Fuel-Level Sensors
57-27-11-000-002 Removal of the Access Panel (540HB, 540JB, 540KB,
540LB, 540MB, 540NB, 540PB, 540QB, 540RB, 550AB,
550BB, 550CB, 550DB, 560AB, 640HB, 640JB, 640KB,
....)
28-42-43-991-003 Fig. 401
28-42-43-991-009 Fig. 405
28-42-43-991-008 Fig. 408
28-42-43-991-005 Fig. 409
3. Job Set-up__________
Subtask 28-42-43-941-059
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) Put the safety barriers in position. Subtask 28-42-43-650-054
B. Fuel Configuration
(1)
Defuel the applicable fuel tank (Ref. TASK 28-25-00-650-001).
(2)
Drain the remaining fuel from the applicable fuel tank (Ref. TASK 28-25-00-650-003).
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C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU FUEL/FQI/CHAN/1 1QT A13 49VU FUEL/XFR VALVE1/WING/L 1QP A10 121VU FUEL/FQI/CHANNEL/1 AND 2 8QT L26 121VU FUEL/HI/LVL/SPLY 1QJ L25 121VU FUEL/FQI/CHAN/2 2QT M27 121VU FUEL/XFR VALVE2/WING/R 4QP M23
Subtask 28-42-43-010-058
D. Get Access
(1)
Put the access platform in position below the applicable zone 540 (640).
(2)
Remove the applicable access panel (Ref. TASK 28-10-00-910-002), (Ref. TASK 57-27-11-000-002): FOR 16QT1
-
remove 540KB, 540LB, 540MB, 540QB
FOR 16QT2
-
remove 640KB, 640LB, 640MB, 640QB.
4. Procedure
_________ (Ref. Fig. 401/TASK 28-42-43-991-003, 409/TASK 28-42-43-991-005) Subtask 28-42-43-020-078
A. Removal of the Wing-Tank Outer-Cell Group B Harness 16QT1 (16QT2)
(1)
Get access through the opening 540KB(640KB) to RIB15.
(2)
Disconnect the plug connector (33) from the connector
4046VC1(4046VC2) (34).
(Ref. Fig. 405/TASK 28-42-43-991-009)
(3)
Put a blanking cap on the connector (34).
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