5. Close-up
________ Subtask 28-42-43-410-064
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Close the applicable access panel:
-for the left wing, close 574BB
-for the right wing, close 674BB. Subtask 28-42-43-942-057
B. Removal of Equipment
(1)
Remove the safety barriers.
(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.
1EFF : ALL 1 28-42-43Page A447 1 1 Feb 01/05 1 1 1CES 1 HARNESS - CENTER TANK (17QT,18QT) - REMOVAL/INSTALLATION
________________________________________________________
TASK 28-42-44-000-001
Removal of the Center Tank Harness 17QT
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 adhesive tape No specific circuit breaker(s) safety clip(s) No specific safety barriers No specific string No specific warning notice No specific access platform 4 m (13 ft. 1 in.)
1EFF : ALL 1 28-42-44Page 401 1 1 May 01/04R 1 1 1CES 1
B. 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 28-25-00-650-003 To Drain Remaining Fuel from the Wing Tanks and the
Center Tank 28-42-15-000-002 Removal of the Center Tank Fuel-Quantity-Probe (35QT, 36QT, 37QT, 38QT, 39QT) 28-42-15-000-004 Removal of the Center (Transfer) Tank Fuel-Quantity
Probe (35QT, 36QT, 37QT, 38QT, 51QT)
28-42-16-000-002 Removal of the Cadensicon 20QT
28-42-47-000-001 Removal of the Ultracomp (50QT)
28-46-15-000-004 Removal of the Center-Tank Fuel-Level Sensors
32-12-00-010-001 Open the Main Gear Doors for Access
57-17-11-000-001 Removal 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 28-42-44-941-051
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.
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(3) Put a warning notice in position to tell persons not to operate the MLG doors.
Subtask 28-42-44-865-050
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU FUEL/FQI/CHAN/1 1QT A13 121VU FUEL/FQI/CHANNEL/1 AND 2 8QT L26 121VU FUEL/FQI/CHAN/2 2QT M27
R **ON A/C 301-399,
R R R 121VU FUEL/CTR TK/AUTO/CTL 121VU FUEL/CTR TK/L&R XFR/CTL & IND 121VU FUEL/CTR TK/L&R XFR/CTL & IND 3QL 2QL 1QL R27 R26 R25
R **ON A/C ALL
Subtask 28-42-44-650-052
C. Fuel Configuration
(1) Defuel the aircraft (Ref. TASK 28-25-00-650-001).
(2) Make sure that the remaining fuel has been drained from the aircraft (Ref. TASK 28-25-00-650-003).
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