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R (6) Lubricate the new O-ring (7) with FUELS (Material No. 01-001).
R R NOTE : You must bond one of the bolts (9) (Ref. TASK 28-25-52-991-____ 001) (Ref. TASK 20-28-00-912-002).
R R (7) Install the O-ring (7) in the groove in the elbow (8). Connect the elbow (8) to the refuel valve canister (10) with the bolts (9).
R R R (8) Use the screw (5) and the nut (4) to attach the bonding straps (1) and (6) to the refuel valve canister (10) (Ref. TASK 20-28-00-912-002).
R **ON A/C ALL
Subtask 28-25-52-410-050
C. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Install all the wing access panels that you removed (Ref. TASK 57-27-11-400-002).
(3) Install the applicable refuel valve (Ref. TASK 28-25-51-400-001).
Subtask 28-25-52-650-052
D. Fuel Configuration
(1) Refuel, defuel or transfer fuel as necessary (Ref. TASK 12-11-28-650-003), (Ref. TASK 28-25-00-650-001) or (Ref. TASK 28-25-00-869-001).
Subtask 28-25-52-790-050
E. Test
(1) Make sure there are no leaks at the interface of the refuel valve canister (10) and the front spar.
5. Close-up
________ Subtask 28-25-52-942-051
A. Removal of Equipment
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Remove the safety barriers.
(3)
Remove the warning notice(s).
(4)
Remove the access platform(s).
(5)
Remove the ground support and maintenance equipment, the special and standard tools and all other items.
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TASK 28-25-52-000-002
Removal of the Refuel Valve Canister 88QM
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 plugs No specific safety barriers No specific warning notice
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 28-25-51-000-002 Removal of the Refuel Valve 10QU 32-12-00-010-001 Open the Main Gear Doors for Access 57-17-11-000-001 Removal of the Covers 147AZ (148AZ) 28-25-52-991-002 Fig. 402
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3. Job set up
__________ Subtask 28-25-52-941-052
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)
Put the safety barriers in position.
(3)
Put a warning notice in position to tell persons not to operate the main gear doors.
Subtask 28-25-52-650-051
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 28-25-52-010-051
C. Get Access
(1)
Open the main landing gear doors (Ref. TASK 32-12-00-010-001).
(2)
Make sure that the GROUND LOCK SLEEVE (460005835) is on the applicable MLG door actuating-cylinder.
(3)
Remove the center tank access panel 148AZ, (Ref. TASK 28-10-00-910-002), (Ref. TASK 57-17-11-000-001).
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