(2)
Remove the warning notice(s).
(3)
Remove the ground support and maintenance equipment, the special and standard tools and all other items.
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Removal of the Jet Adaptor Assembly
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 circuit breaker(s) safety clip(s) No specific access platform 2.5 m (8 ft. 2 in.) No specific access platform 3.5 m (11 ft. 6 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
27-50-00-866-008 Extension of the Flaps on the Ground 28-10-00-910-001 Safety Procedures When You Do Work in a Fuel Tank 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 28-21-53-991-003 Fig. 403 28-21-53-991-004 Fig. 404
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3. Job Set-up
__________ Subtask 28-21-53-941-057
A. Safety Precautions
WARNING : OBEY THE FUEL SAFETY PROCEDURES.
_______
(1) You must obey the fuel safety procedures (Ref. TASK 28-10-00-910-001) when you do work on the fuel system.
Subtask 28-21-53-650-056
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).
Subtask 28-21-53-865-057
C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU FUEL/L WING TK/PUMP2 SPLY 7QA N26 121VU FUEL/L WING TK/PUMP1 SPLY 1QA N23 121VU FUEL/CTR TK/PUMP2 SPLY 30QA P26 121VU FUEL/CTR TK/PUMP1 SPLY 29QA P23 121VU FUEL/R WING TK/PUMP2 SPLY 8QA Q26 121VU FUEL/R WING TK/PUMP1 SPLY 2QA Q23 123VU L WING TK/PUMP 1/STBY SPLY 11QA AD12 123VU R WING TK/PUMP 1/STBY SPLY 12QA AE12
Subtask 28-21-53-010-056
D. Get Access
(1) Get access to the jet adaptor assemblies in the wing tank. WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS ARE
_______ CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE.
(a) Fully extend the flaps (Ref. TASK 27-50-00-866-008).
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(b)
Make sure that the LOCKING TOOL - FLAP/SLAT CONTROL LEVER (98D27803000000) is on the slat/flap control lever.
(c)
Put the access platform below the applicable access panel 575DB(675DB).
(d)
Remove the applicable access panel 575DB(675DB).
(2) Get access to the jet adaptor assemblies in the center tank WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE LANDING GEAR DOORS
_______
ARE CLEAR.
(a)
Open the applicable MLG door 734(744) (Ref. TASK 32-12-00-010-001).
(b)
Make sure that the GROUND LOCK SLEEVE (460005835) is on the applicable MLG door actuator.
(c)
Put the access platform below the applicable zone 147(148).
4. Procedure
_________
(Ref. Fig. 403/TASK 28-21-53-991-003, 404/TASK 28-21-53-991-004) Subtask 28-21-53-020-053
A. Removal of the Jet Adaptor Assembly
(1)
Remove and discard the lockwire from the jet adaptor assembly (4).
(2)
Remove the jet adaptor assembly (4) from the jet pump (1).
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