R (4) Make sure that the parts retained from the removed component are
clean and in the correct condition. R
R (5) Make sure that the drive key (8), is aligned with the drive spindle (6).
Subtask 28-24-51-420-050
B. Installation of the LP Fuel Valve Actuator
CAUTION : MAKE SURE THAT YOU ASSEMBLE THE ACTUATOR WITH THE DRIVE
_______ ASSEMBLY CORRECTLY. IF YOU DO NOT, THE ACTUATOR WILL NOT OPERATE THE VALVE CORRECTLY.
CAUTION : DO NOT TORQUE THE V-CLAMP(S) TO MORE THAN THE SPECIFIED VALUE.
_______
THIS PREVENTS DAMAGE TO THE FLANGE SURFACES.
(1)
Lubricate the new O-ring (4) with COMMON GREASE (Material No. 04-012).
(2)
Install the new O-ring (4) on the drive assembly of the LP fuel valve (5).
(3)
Make sure that the actuator (2) and the drive spindle (6) stay in the correct configuration.
(4)
Carefully install the actuator (2) on the drive assembly of the LP fuel valve (5).
(a) Make sure that the mating surfaces of the actuator and of the drive assembly touch fully with:
-
the drive key of the actuator spindle engaged with the spindle of the drive assembly
-
the roll pin in the drive assembly engaged with the location hole in the actuator
-
the dowel in the flange of the actuator engaged with the slot of the drive assembly.
(5)
Install the V-clamp (3) and TORQUE the screw (7) to 0.13 m.daN (11.50 lbf.in).
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(6) Remove the blanking caps from the electrical connectors (1).
(7) Connect the electrical connectors (1) to the actuator (2).
Subtask 28-24-51-865-054
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): FOR 9QG 1QG, 7CV, 5CV, 3QG FOR 10QG 2QG, 5CV, 7CV, 4QG.
Subtask 28-24-51-720-051
D. Test
(1) Do a functional test of the LP fuel valve (5) (Ref. TASK 28-24-00-720-001).
5. Close-up
________
Subtask 28-24-51-410-050
A. Close Access R
R (1) Install the applicable access panel 522AT(622AT) (Ref. TASK 57-41-37-R 400-003):
-
FOR 9QG
panel 522AT
-
FOR 10QG
panel 622AT.
Subtask 28-24-51-860-053
B. Aircraft Maintenance Configuration
(1)
Remove the LOCKING TOOL - FLAP/SLAT CONTROL LEVER from the slat/flap control lever.
(2)
Fully retract the slats (Ref. TASK 27-80-00-866-004).
(3)
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).
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C. Removal of Equipment
(1)
Remove the safety barriers.
(2)
Remove the warning notice(s).
(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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REFUEL/DEFUEL SYSTEM - DESCRIPTION AND OPERATION
________________________________________________
1. General
_______
R **ON A/C 001-049, 052-099, 101-149, 151-199, 201-299, 301-399, 401-499,
The Refuel/Defuel system controls the flow of fuel into or out of the aircraft. Refuel/defuel operations are controlled from a refuel/defuel control panel in the RH lower belly fairing. A refuel/defuel coupling (installed in the leading edge of the RH wing) is the interface between the fuel tanks and the external fuel source.
**ON A/C 051-051,
The Refuel/Defuel system controls the flow of fuel into or out of the aircraft. A refuel/defuel operation is controlled from the refuel/defuel control panel in the RH lower belly fairing. There is a refuel/defuel coupling (installed in the leading edge of each wing) which is the interface between the fuel tanks and the external fuel source.
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