(2)
Put the safety barriers in position.
(3)
Put a warning notice in the cockpit to tell persons not to operate the slats.
Subtask 28-25-51-865-050
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1 5CV B06 121VU FUEL/RFL/DFL/SPLY 2QU L24 121VU FUEL/RFL/DFL/XFR/DEFUEL/VALVE 1QU L23 121VU FLIGHT CONTROLS/SLT/CTL/SYS2 7CV R21
Subtask 28-25-51-010-051
C. Get Access
(1)
Put the access platform in position, below access panel 522JB (622JB).
(2)
Remove the applicable access panel:
-
FOR 7QU
remove 522JB
-
FOR 8QU
remove 622JB.
(3)
Put a container below the refuel valve.
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4. Procedure_________
(Ref. Fig. 401/TASK 28-25-51-991-001)
Subtask 28-25-51-020-051
R A. Removal of the Refuel Valve 7QU, (8QU)
(1) Disconnect the electrical connector (1).
(2) Put blanking caps on the disconnected electrical connectors.
(3) Remove the nut (7) and the screw (6). Disconnect the bonding strap (4).
(4) Remove the nuts (2).
R R R (5) Put a suitable AN3 bolt or NAS 1801 bolt or 10-32 UNF bolt in each extractor bolt hole in the valve (3). Tighten the bolts to loosen the refuel valve (3) from the canister.
(6) Carefully remove the valve (3).
(7) Remove the extractor bolts.
(8) Remove and discard the O-ring (5).
Refuel Valve 7QU (8QU)
Figure 401/TASK 28-25-51-991-001
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1 1 Feb 01/98
1 1
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TASK 28-25-51-400-001
Installation of the Refuel Valve 7QU, (8QU)
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
__________________
R R 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
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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-------------------------------------------------------------------------------FIG.ITEM |DESIGNATION |IPC-CSN -------------------------------------------------------------------------------
O-ring 28-25-51 01 -010
D. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
12-11-28-650-003 Pressure Refuel with Automatic Control 20-28-00-912-004 Electrical Bonding of Components With Conductive Bolts and Screws and Bonding Straps in the Fuselage
R and in the Wings (this does not include the tanks)-28-10-00-910-001 Safety Procedures When You Do Work in a Fuel Tank 28-25-00-650-001 Pressure Defuel 28-25-00-869-001 Fuel Transfer
3. Job Set-up
__________
Subtask 28-25-51-941-060
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