(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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___________________________________________________________
TASK 28-25-47-000-001
Removal of the Spill-Pipe Check-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 safety barriers
No specific access platform 3.6 m (11 ft. 10 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, ....)
R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 28-25-47Page 401 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
**ON A/C 001-001, 051-052,
28-25-47-991-001 Fig. 401
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499, Post SB 28-1077 For A/C 001-001,051-052, 28-25-47-991-001-A Fig. 401A
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
3. Job Set-up
__________
Subtask 28-25-47-941-052
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 28-25-47-650-052
B. Fuel 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).
R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 28-25-47Page 402 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1 Subtask 28-25-47-010-050
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).
4. Procedure
_________
**ON A/C 001-001, 051-052,
(Ref. Fig. 401/TASK 28-25-47-991-001) R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499, Post SB 28-1077 For A/C 001-001,051-052, (Ref. Fig. 401A/TASK 28-25-47-991-001-A) R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
Subtask 28-25-47-020-050
A. Removal of the Spill-Pipe Check-Valve
(1)
Loosen the clamp (2) and move it up and off the check valve (3).
(2)
Remove the check valve (3) from the pipe (1) and remove the clamp (2).
R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 28-25-47Page 403 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1
Check Valve
Figure 401/TASK 28-25-47-991-001
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