(2)
Drain the remaining fuel from the applicable fuel tank (Ref. TASK 28-25-00-650-003).
Subtask 28-25-57-010-050
C. Get Access
(1)
Put the access platform in position below the applicable access panel 540KB (640KB).
(2)
Remove the applicable access panel 540KB (640KB) (Ref. TASK 28-10-00-910-002), (Ref. TASK 57-27-11-000-002).
(3)
Remove the applicable refuel diffuser (Ref. TASK 28-25-42-000-001).
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Air-Inlet Valve
Figure 401/TASK 28-25-57-991-001
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4. Procedure
_________ Subtask 28-25-57-020-051
A. Removal of the Air-Inlet Valve 161QM (162QM)
(Ref. Fig. 401/TASK 28-25-57-991-001)
(1)
Remove the nut (4), the bolt (3) and disconnect the bonding lead (2) from the air-inlet valve (7).
(2)
Loosen the union (8) and carefully disconnect the pipe (1) from the air-inlet valve (7).
(3)
Hold the air-inlet valve (7), remove the bolts (5) and the air-inlet valve (7) from the bracket (6).
(4)
Put blanking plugs on the disconnected line ends.
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TASK 28-25-57-400-001 Installation of the Air-Inlet Valve 161QM (162QM) WARNING : MAKE SURE THAT THE FLIGHT CONTROL SAFETY-LOCKS AND THE WARNING
_______ NOTICES ARE IN POSITION.
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 lint-free cloth No specific safety barriers
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 01-001 USA ASTM-D-1655-93 (JET A-1) FUEL, TURBO (Ref. 20-31-00)
Material No. 11-004 USA MIL-T-81533 1.1.1TRICHLOROETHANE (METHYL CHLOROFORM) (Ref. 20-31-00)
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-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
12-11-28-650-003 20-28-00-912-006 28-10-00-910-001 28-10-00-910-002 28-25-00-650-001 28-25-00-650-003
28-25-00-869-001 28-25-42-000-001 28-25-42-400-001
57-27-11-000-002
57-27-11-400-002
28-25-57-991-001
3. Job Set-up
__________
Subtask 28-25-57-941-054
A. Safety PrecautionsPressure Refuel with Automatic ControlElectrical Bonding of PipesSafety Procedures When You Do Work in a Fuel TankAccess to the Fuel Tanks and the Work AreasPressure DefuelTo Drain Remaining Fuel from the Wing Tanks and the Center TankFuel TransferRemoval of the Refuel Diffuser Assembly - Wing TanksInstallation of the Refuel Diffuser Assembly - Wing TanksRemoval of the Access Panel (540HB, 540JB, 540KB, 540LB, 540MB, 540NB, 540PB, 540QB, 540RB, 550AB, 550BB, 550CB, 550DB, 560AB, 640HB, 640JB, 640KB, ....)Installation of the Access Panel (540HB, 540JB, 540KB, 540LB, 540MB, 540NB, 540PB, 540QB, 540RB, 550AB, 550BB, 550CB, 550DB, 560AB, 640HB, 640JB, ....)Fig. 401
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)
Make sure that the safety barriers are in position.
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B. Aircraft Maintenance Configuration
(1)
Make sure that the applicable fuel tank is defueled (Ref. TASK 28-25-00-650-001).
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