(3) TORQUE the outer valve (1) to 0.75 m.daN (66.37 lbf.in). Subtask 28-11-41-790-056
C. Leak Test
(1) Examine the outer valve (1) and the water drain valve (3) for leaks.
1EFF : ALL 1 28-11-41Page 465 1 1 May 01/04 1 1 1CES 1
5. Close-up
________ Subtask 28-11-41-410-058
A. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Close the applicable quick release access panel 195BB(196BB). Subtask 28-11-41-942-056
B. Removal of Equipment
(1)
Remove the safety barriers.
(2)
Remove the ground support and maintenance equipment, the special and standard tools and all other items.
1EFF : ALL 1 28-11-41Page 466 1 1 May 01/04 1 1 1CES 1 CLACK VALVE (214QM,215QM,216QM,217QM) - REMOVAL/INSTALLATION
____________________________________________________________
TASK 28-11-42-000-001
Removal of the Clack Valve (RIB 2)
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 hexagon key
No specific safety barriers
No specific access platform 2 m (6 ft. 7 in.)
98D57004013000 1 HOOK-COVER (RIB 2 SURGE DOORS)
98D57004014000 1 HOOK-COVER (RIB2-SURGE DOORS)
1EFF : ALL 1 28-11-42Page 401 1 1 May 01/05R 1 1 1CES 1
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
57-27-11-000-001 Removal of the Access Panel (540AB, 540BB, 540CB, 540DB, 540EB, 540FB, 540GB, 640AB, 640BB, 640CB, 640DB, 640EB, 640FB, 640GB)
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
28-11-42-991-001 Fig. 401
**ON A/C 301-399,
28-11-42-991-001-A Fig. 401A
**ON A/C ALL
3. Job Set-up
__________
Subtask 28-11-42-941-050
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 the fuel tank.
(2)
Put the safety barriers in position.
1EFF : ALL 1 28-11-42Page 402 1 1 Aug 01/05 1 1 1CES 1 Subtask 28-11-42-650-052
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).
Subtask 28-11-42-010-050
C. Get Access
(1)
Put the access platform in position.
(2)
Remove the applicable access panel 540AB, 640AB, (Ref. TASK 28-10-00-910-002), (Ref. TASK 57-27-11-000-001).
(3)
Open the applicable hinged access door to get access to the clack valve (9):
-
hold open the forward access door 540AZ, 640AZ with the HOOK-COVER (RIB 2 SURGE DOORS) (98D57004013000)
-
hold open the applicable aft surge door 540BZ, 640BZ with the HOOK-COVER (RIB2-SURGE DOORS) (98D57004014000).
4. Procedure
_________ R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
(Ref. Fig. 401/TASK 28-11-42-991-001)
**ON A/C 301-399,
(Ref. Fig. 401A/TASK 28-11-42-991-001-A)
**ON A/C ALL
NOTE : Make sure that you keep the applicable clack valve and seating
____ together. Make a record of the position of the applicable clack valves and seatings as they are not interchangeable.
1EFF : ALL 1 28-11-42Page 403 1 1 Aug 01/05 1 1 1CES 1
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