(d)
Carefully remove the container from the center-tank.
(e)
Remove the blank from the vent-pipe and install the check valve 93QM (Ref. TASK 28-12-44-400-001).
CAUTION : MAKE SURE THAT ALL THE BLANKS INSTALLED IN THE FUEL
_______ TANKS FOR THIS PROCEDURE ARE REMOVED. IF THE BLANKS ARE NOT REMOVED, THEY CAN CAUSE STRUCTURAL DAMAGE.
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(f)
Make sure that the work area is clean and clear of tool(s) and other items.
(g)
Install the access panel 148AZ (Ref. TASK 28-10-00-910-002), (Ref. TASK 57-17-11-400-001).
(h)
Remove the access platform from the RH MLG bay.
(i)
Remove the GROUND LOCK SLEEVE from the MLG door actuator.
(j)
Close the RH MLG door (Ref. TASK 32-12-00-410-001).
(k)
Defuel or transfer fuel as necessary (Ref. TASK 28-25-00-650-001) or (Ref. TASK 28-25-00-869-001).
(3) For the panel assembly 550CB (LH wing only), when the configuration for test method 3 was used (center tank full):
(a) You must defuel or transfer a minimum of 650 kg (1433.0043 lb) of fuel from the wing tank. Defuel or transfer fuel as necessary (Ref. TASK 28-25-00-650-001) or (Ref. TASK 28-25-00-869-001).
NOTE : When there is sufficient space available, all the fuel in
____ the vent surge tank will move into the wing tank.
**ON A/C ALL
Subtask 28-12-45-942-051
B. Removal of Equipment
(1)
Remove the safety barriers.
(2)
Remove the container from below the applicable water drain valve.
(3)
Remove the access platform(s).
(4)
Remove the ground support and maintenance equipment, the special and standard tools and all other items.
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OUTLET - OVERPRESSURE PROTECTOR, INNER CELL - REMOVAL/INSTALLATION
__________________________________________________________________ TASK 28-12-46-000-001 Removal of the Overpressure-Protector Outlet 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 safety barriers
No specific access platform 3.5 m (11 ft. 6 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
28-00-00-910-001 Fuel Safety Procedures 28-25-00-650-001 Pressure Defuel 28-25-00-650-003 To Drain Remaining Fuel from the Wing Tanks and the
Center Tank
CMM 281246
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
28-12-46-991-002 Fig. 401
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REFERENCE DESIGNATION
-------------------------------------------------------------------------------
**ON A/C 301-399,
28-12-46-991-002-A Fig. 401A
**ON A/C ALL
3. Job Set-up
__________
Subtask 28-12-46-941-053
A. Safety Precautions
WARNING : OBEY THE FUEL SAFETY PROCEDURES.
_______
(1) You must obey the fuel safety procedures when you do work on the fuel system (Ref. TASK 28-00-00-910-001).
(2) Put the safety barriers in position.
Subtask 28-12-46-860-051
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).
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