-
for the LH wing, open the door 734
-
for the RH wing, open the door 744.
(2)
Make sure that the GROUND LOCK SLEEVE (460005835) is on the applicable MLG door actuator.
(3)
Put an adjustable access platform below the applicable access panel:
-
for the LH wing, below the panel 147AZ
-
for the RH wing, below the panel 148AZ
(4)
Put an adjustable access platform below the applicable access panel:
-
for the LH wing, below the panel 540AB
-
for the RH wing, below the panel 640AB.
1EFF : 301-399, 1 28-26-44Page 404 1 1 May 01/04 1 1 1CES 1
(5)
Remove the applicable access panels (Ref. TASK 28-10-00-910-002), (Ref. TASK 57-27-11-000-001), (Ref. TASK 57-17-11-000-001):
-
for the LH wing, remove the panels 540AB, 147AZ
-
for the RH wing, remove the panels 640AB, 148AZ.
(6)
Safety open the applicable spring-loaded surge-doors with the HOOK-COVER (RIB2-SURGE DOORS) (98D57004014000):
-
for the LH wing, safety open the door 540BZ
-
for the RH wing, safety open the door 640BZ.
(7)
If necessary, remove the applicable Fuel Quantity Indicating (FQI) probe (Ref. TASK 28-42-15-000-005):
-
for the LH wing, remove the FQI probe 54QT1
-
for the RH wing, remove the FQI probe 54QT2.
(8)
Remove fuel pipes, as necessary, to get access to the applicable clack valve (Ref. TASK 28-00-00-000-001).
4. Procedure
_________
(Ref. Fig. 401/TASK 28-26-44-991-001) Subtask 28-26-44-020-050
A. Removal of the Main-Transfer-System Clack Valve
(1)
Remove the nut (17). Remove the bolt (28), the washer (18), the bonding strap (15) and the washer (19). Remove the washer (27) from the bolt (28).
(2)
Remove the nuts (20) and the bolts (25).
(3)
Remove the shroud assembly (16).
(4)
Remove the spindle (12), the distance tubes (14) and (21) and the clack valve assembly (13).
(5)
Remove the nuts (22), the bolts (26) and the washers (23).
(6)
Remove the seating (11).
(7)
Remove and discard the O-ring (10).
(8)
Remove the nuts (9), the bolts (5) and the washers (6) and (8).
(9)
Remove the adaptor (24).
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(10)
Remove and discard the O-ring (7).
(11)
Release the nut (2).
(12)
Remove the split ring (3) and the nut (2) from the flanged pipe (30).
(13)
Remove the flanged pipe (30).
(14)
Remove and discard the O-rings (4) and (29).
(15)
Install a blanking cap in the open end of the pipe (1).
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Installation of the Main-Transfer-System Clack Valve
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 warning notice 98D57004014000 1 HOOK-COVER (RIB2-SURGE DOORS)
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. 09-001 USA MIL-S-8802 TYPE I CLASS A FUEL TANK SEALANTPOLYSULFIDE (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)
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