Subtask 28-46-15-942-056
C. 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 28-46-15Page 432 1 1 May 01/05R 1 1 1CES 1
TASK 28-46-15-000-004
Removal of the Center-Tank Fuel-Level Sensors
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 caps
No specific circuit breaker(s) safety clip(s)
No specific safety barriers
No specific access platform 2.5 m (8 ft. 2 in.)
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 32-12-00-010-001 Open the Main Gear Doors for Access 57-17-11-000-001 Removal of the Covers 147AZ (148AZ) 28-46-15-991-007 Fig. 407 28-46-15-991-008 Fig. 408
1EFF : ALL 1 28-46-15Page 433 1 1 May 01/05R 1 1 1CES 1
3. Job Set-up
__________
Subtask 28-46-15-941-068
A. Safety Precautions WARNING : OBEY THE SAFETY PROCEDURES WHEN YOU DO WORK IN A FUEL TANK.
_______
(1)
Put the safety barriers in position.
(2)
You must obey the fuel safety procedures (Ref. TASK 28-10-00-910-001) when you do work in a fuel tank.
Subtask 28-46-15-865-056
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------FOR 20QJ
121VU FUEL/HI/LVL/SPLY 1QJ L25 FOR 21QJ
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
121VU FUEL/CTR TK/PUMPS1 AND 2/CTL AND IND 32QA R26
121VU FUEL/CTR TK/PUMPS1 AND 2/CTL AND IND 31QA R25
**ON A/C 301-399,
121VU FUEL/CTR TK/AUTO/CTL 3QL R27
121VU FUEL/CTR TK/L&R XFR/CTL & IND 1QL R25
**ON A/C ALL
FOR 22QJ R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
121VU FUEL/CTR TK/PUMPS1 AND 2/CTL AND IND 32QA R26 121VU FUEL/CTR TK/PUMPS1 AND 2/CTL AND IND 31QA R25
1EFF : ALL 1 28-46-15Page 434 1 1 Aug 01/05 1 1 1CES 1 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------**ON A/C 301-399,
121VU FUEL/CTR TK/AUTO/CTL 3QL R27
121VU FUEL/CTR TK/L&R XFR/CTL & IND 2QL R26
**ON A/C ALL
Subtask 28-46-15-650-068
C. Fuel Configuration
(1)
Defuel the applicable 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).
Subtask 28-46-15-010-053
D. Get Access
(1)
Open the MLG main-door (Ref. TASK 32-12-00-010-001).
(2)
Make sure that the GROUND LOCK SLEEVE is on the applicable MLG door actuating-cylinder.
(3)
Put the access platform in position below the applicable access panel 147AZ (148AZ).
(4)
Remove the applicable access panel (Ref. TASK 28-10-00-910-002), (Ref. TASK 57-17-11-000-001): FOR 20QJ, 21QJ
-
remove 147AZ
FOR 22QJ
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