(2)
Remove the access platform(s).
(3) Close the main landing gear doors (Ref. TASK 32-12-00-410-001).
Subtask 28-25-51-942-053
C. Removal of Equipment
(1)
Remove the safety barriers.
(2)
Remove the warning notice(s).
(3)
Remove the ground support and maintenance equipment, the special and standard tools and all other items.
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INTENTIONALLY BLANK
R 1 1
28-25-51Page 418
1 1 Nov 01/02 1 1 1CES 1 TASK 28-25-51-000-003
Removal of the Solenoid Valve
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 caps No specific safety barriers No specific warning notice No specific access platform 4.0 m (13 ft. 1 in.) No specific container 5.0 l (1.3208 USgal)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
28-00-00-910-001 Fuel Safety Procedures 32-12-00-010-001 Open the Main Gear Doors for Access 28-25-51-991-003 Fig. 403
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3. Job Set-up
__________ Subtask 28-25-51-941-056
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 28-00-00-910-001) when you do work on the fuel system.
(2)
Put the safety barriers in position.
(3)
Put a warning notice in the cockpit to tell persons not to operate the slats.
(4)
Put a warning notice in position to tell persons not to operate the main gear doors.
Subtask 28-25-51-010-055
B. Get Access
(1)
For the solenoid valve of the refuel valve 10QU:
(a)
Open the main gear doors and install the safety devices (Ref. TASK 32-12-00-010-001).
(b)
Put the access platform in position below the refuel valve 10QU.
(2)
For the solenoid valve of the refuel valve 7QU (8QU):
(a)
Put the access platform in position below the applicable access panel 522JB (622JB).
(b)
Remove the applicable access panel 522JB (622JB).
(3)
Put a container below the refuel valve.
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4. Procedure
_________
(Ref. Fig. 403/TASK 28-25-51-991-003) Subtask 28-25-51-020-053
A. Removal of the Solenoid Valve
(1)
Disconnect the electrical connector (1).
(2)
Put blanking caps on the disconnected electrical connectors.
(3)
Remove the bolts (2) and the washers (3).
(4)
Remove the solenoid valve (4) from the refuel valve (7).
(5)
Remove and discard the O-rings (5) and (6).
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Refuel Valve Solenoid
Figure 403/TASK 28-25-51-991-003
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1 1
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TASK 28-25-51-400-003
Installation of the Solenoid Valve
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.
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