(1)
Put the bolts (4) in position then install one O-ring (5) on each bolt (4).
(2)
Install the O-ring (3) on the water drain valve (2).
(3)
Install the water drain valve (2) then install and tighten the nuts (1).
(4)
Apply SEALANTS (Material No. 09-007) to the nuts (1) and the ends of the bolts (4).
**ON A/C ALL
Subtask 28-11-41-410-051
C. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Install the NACA vent intake (Ref. TASK 28-12-47-400-001) but do not defuel after its leak test.
Subtask 28-11-41-790-051
D. Leak Test
(1) Examine the water drain valve (2) and the bottom skin joint for leaks.
1EFF : ALL 1 28-11-41Page 410 1 1 May 01/05 1 1 1CES 1
5. Close-up
________ R **ON A/C 001-001, 051-052,
(Ref. Fig. 401/TASK 28-11-41-991-001) **ON A/C ALL R Post SB 28-1077 For A/C 001-001,051-052, (Ref. Fig. 401A/TASK 28-11-41-991-001-A) **ON A/C ALL
Subtask 28-11-41-650-068
A. Fuel Configuration
(1)
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).
(2)
Put a container below the water drain valve (2).
(3)
Drain the remaining fuel that remains from the vent surge tank through the water drain valve (Ref. TASK 28-25-00-650-003).
Subtask 28-11-41-942-051
B. Removal of Equipment
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Remove the safety barriers.
(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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R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
TASK 28-11-41-000-002
Removal of the Water Drain Valve 23QM (24QM)
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 3.8 m (12 ft. 6 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 28-11-41Page 412 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
**ON A/C 001-001, 051-052,
28-11-41-991-002 Fig. 402
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, 28-11-41-991-002-A Fig. 402A
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
3. Job Set-up
__________
Subtask 28-11-41-941-068
A. Safety Precautions WARNING : OBEY THE SAFETY PROCEDURES WHEN YOU DO WORK IN A FUEL TANK.
_______
(1) You must obey the safety precautions (Ref. TASK 28-10-00-910-001) when you do work in a fuel tank.
(2) Put the safety barriers in position.
Subtask 28-11-41-650-069
