(2)
Remove the wing access panel (Ref. TASK 28-10-00-910-002), (Ref. TASK 57-27-11-000-001):
-
FOR 33QM, 34QM
remove 540AB
-
FOR 35QM, 36QM
remove 640AB
(3)
Open the applicable RIB2 surge door:
-
FOR 33QM, 34QM
open 540BZ
-
FOR 35QM, 36QM
open 640BZ
(4)
Install the HOOK-COVER (RIB2-SURGE DOORS) (98D57004014000)
4. Procedure_________
(Ref. Fig. 401/TASK 28-21-43-991-001)
Subtask 28-21-43-020-050
A. Removal of the Fuel-Pump Check Valve 33QM(36QM), 34QM(35QM)
(1)
Disconnect the pipe (3) at the check-valve (2).
(2)
Remove the check-valve (2).
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Fuel-Pump Check-Valve 33QM(36QM), 34QM(35QM)
Figure 401/TASK 28-21-43-991-001
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(3)
Put blanking plugs on the disconnected line ends.
(4)
Remove and discard the O-ring (1).
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Installation of the Fuel-Pump Check-Valve 33QM(36QM), 34QM(35QM)
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 2.8 m (9 ft. 2 in.)
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. 11-004 USA MIL-T-81533 1.1.1TRICHLOROETHANE (METHYL CHLOROFORM) (Ref. 20-31-00)
Material No. 19-003 USA AMS 3819 LINT-FREE COTTON CLOTH (Ref. 20-31-00)
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C. Expendable Parts -------------------------------------------------------------------------------
FIG.ITEM --------- |DESIGNATION ---------------------------------------- |IPC-CSN------------------------------
1 O-ring 28-21-05 41 -190
D. Referenced Information
------------------REFERENCE -------------------------------DESIGNATION ------------------------------
-------------------------------------------------------------------------------
12-11-28-650-003 Pressure Refuel with Automatic Control 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 28-21-00-710-002 Operational Check of Wing Tank Pump Pressure Sense
Line Check Valves 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, 640DB, 640EB, 640FB, 640GB)
57-27-11-400-001 Installation of the Access Panel (540AB, 540BB, 540CB, 540DB, 540EB, 540FB, 540GB, 640AB, 640BB, 640CB, 640DB, 640EB, 640FB, 640GB)
28-21-43-991-001 Fig. 401
3. Job Set-up
__________
Subtask 28-21-43-941-052
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)
Make sure that the safety barriers are in position.
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