(4)
Lubricate the new O-ring (6) with FUELS (Material No. 01-001) or COMMON GREASE (Material No. 04-012).
Subtask 28-12-43-420-050
B. Installation of the Vent Float-Valve 15QM(18QM)
(1)
Install the new O-ring (6) on the vent float-valve (5).
(2)
Install the vent float-valve (5) on Rib 15 with the bolts (3) and the nuts (1).
(3)
Install the bonding strap (2) on the vent float-valve (5) with the bolt (4) (Ref. TASK 20-28-00-912-002).
(4)
Apply SEALANTS (Material No. 09-007) to the nuts (1) and the bolts (3).
Subtask 28-12-43-710-050
C. Operational Test
(1) Make sure that the vent float-valve (5) moves freely.
5. Close-up
________ Subtask 28-12-43-410-050
A. Close Access
(1)
Install the spill-pipe diffuser (Ref. TASK 28-25-46-400-001).
(2)
Install the fuel pipes (Ref. TASK 28-00-00-400-001).
(3)
Make sure that the work area is clean and clear of tool(s) and other items.
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(4) Install the applicable access panels (Ref. TASK 57-27-11-400-002):
-
FOR 15QM
install 540JB, 540KB
-
FOR 18QM
install 640JB, 640KB.
Subtask 28-12-43-650-053
B. 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 28-12-43-942-050
C. Removal of Equipment
(1)
Remove the safety barriers.
(2)
Remove the access platform(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 Vent Float-Valve 16QM (17QM)
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 safety barriers No specific access platform 3.5 m (11 ft. 6 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
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, ....)
28-12-43-991-002 Fig. 402
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3. Job Set-up
__________ Subtask 28-12-43-941-054
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 28-12-43-860-051
B. Aircraft Maintenance 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 28-12-43-010-052
C. Get Access
(1)
Put the access platform 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 16QM remove 540JB FOR 17QM remove 640JB.
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