(2)
Remove the bolts (3), the bolt (4) and the air release valve (1).
(3)
Remove and discard the O-ring (2) and seal the RIB 8 connector with a blanking cap.
1EFF : ALL 1 28-21-41Page 403 1 1 Aug 01/05 1 1 1CES 1
Low-Pressure Air Release-Valve
Figure 401/TASK 28-21-41-991-001
R 1EFF : 001-001, 051-052, 1 28-21-41Page 404 1 1 May 01/05 1 1 1CES 1
R Low-Pressure Air Release-Valve
R Figure 401A/TASK 28-21-41-991-001-B
R 1EFF : 301-399, 1 28-21-41 Page 405
1 1 May 01/04
1 1
1CES 1
Low-Pressure Air Release-Valve
Figure 401B/TASK 28-21-41-991-001-A
R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 28-21-41Page 406 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1 TASK 28-21-41-400-001
Installation of the Low Pressure (LP) Air-Release-Valve 86QM(87QM)
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.
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 3.2 m (10 ft. 6 in.)
No specific container 5 l (1.3208 USgal)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 01-001 USA ASTM-D-1655-93 (JET A-1) FUEL, TURBO (Ref. 20-31-00) Material No. 04-012 USA VV-P-236 PURE MINERALVASELINE OR PETRO- LATUM (Ref. 20-31-00)
Material No. 09-002 USA MIL-S-8802 TYPE I CLASS B FUEL TANK SEALANTPOLYSULFID(NO LONGER AVAILABLE (Ref. 20-31-00)
Material No. 11-026 GB DEF-STAN 68-148/1 SOLVENT GENERAL PURPOSE (Ref. 20-31-00) Material No. 19-003 USA AMS 3819 LINT-FREE COTTON CLOTH (Ref. 20-31-00)
1EFF : ALL 1 28-21-41Page 407 1 1 May 01/05R 1 1 1CES 1
C. Expendable Parts -------------------------------------------------------------------------------
FIG.ITEM --------- |DESIGNATION ------------------------------------ |IPC-CSN----------------------------------
2 O-ring 28-21-05 24B-200
2 O-ring 28-21-05 24C-200
D. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
12-11-28-650-003 Pressure Refuel with Automatic Control
12-11-28-650-004 Pressure Refuel with Manual Control
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power
24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power
28-10-00-910-001 28-10-00-910-002 Safety Procedures When You Do Work in a Fuel TankAccess 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
28-25-00-869-001 Fuel Transfer
57-27-11-000-001 Removal of the Access Panel (540AB, 540BB, 540CB, 540DB, 540EB, 540FB, 540GB, 640AB, 640BB, 640CB,
57-27-11-400-001 640DB, 640EB, 640FB, 640GB)Installation of the Access Panel (540AB, 540BB, 540CB, 540DB, 540EB, 540FB, 540GB, 640AB, 640BB,
640CB, 640DB, 640EB, 640FB, 640GB)
R **ON A/C 001-001, 051-052,
28-21-41-991-001 Fig. 401 **ON A/C 301-399, 28-21-41-991-001-B Fig. 401A
1EFF : ALL 1 28-21-41Page 408 1 1 May 01/05 1 1 1CES 1 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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, 28-21-41-991-001-A Fig. 401B **ON A/C ALL
3. Job Set-up
__________
Subtask 28-21-41-941-054
A. Safety Precautions WARNING : OBEY THE SAFETY PROCEDURES WHEN YOU DO WORK IN A FUEL TANK.
_______
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