(2)
Put the safety barriers in position.
Subtask 28-21-54-860-051
B. Aircraft Maintenance Configuration
(1)
Defuel the center fuel tank and the applicable wing fuel tank (Ref. TASK 28-25-00-650-001).
(2)
Drain the remaining fuel from the applicable wing fuel tank (Ref. TASK 28-25-00-650-003).
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C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
-------------------------------------------------------------------------------
R 121VU FUEL/L WING TK/PUMP2 SPLY 7QA N26 121VU FUEL/L WING TK/PUMP1 SPLY 1QA N23 121VU FUEL/R WING TK/PUMP2 SPLY 8QA Q26 121VU FUEL/R WING TK/PUMP1 SPLY 2QA Q23 123VU L WING TK/PUMP 1/STBY SPLY 11QA AD12 123VU R WING TK/PUMP 1/STBY SPLY 12QA AE12
Subtask 28-21-54-010-050
D. Get Access
(1)
Put the access platform below the applicable access panel:
-
FOR 5QM, 6QM
below access panel 540AB
-
FOR 7QM, 8QM
below access panel 640AB.
(2)
Remove the applicable access panel (Ref. TASK 28-10-00-910-002), (Ref. TASK 57-27-11-000-001):
-
FOR 5QM, 6QM
540AB
-
FOR 7QM, 8QM
640AB.
(3)
Open the applicable surge door:
-
FOR 6QM, 8QM
open 540BZ, 640BZ
-
FOR 5QM, 7QM
open 540AZ, 640AZ.
(4)
Install the applicable tool on the surge door:
-
FOR 6QM, 8QM install HOOK-COVER (RIB2-SURGE DOORS) (98D57004014000)
-
FOR 5QM, 7QM install HOOK-COVER (RIB 2 SURGE DOORS) (98D57004013000).
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4. Procedure
_________
(Ref. Fig. 401/TASK 28-21-54-991-001) Subtask 28-21-54-020-050
A. Removal of the Fuel Pump Strainer
(1)
Remove the bolt (14) and disconnect the bonding tab (11).
(2)
Remove the two bolts (8) and the three bolts (13).
(3)
Remove the cowls (7) and (12).
(4)
Remove the bolts (6).
(5)
Release the nut (4) and disconnect the filter connector (5) from the fuel pipe (1).
(6)
Carefully remove the filter connector (5).
(7)
Remove the retaining ring (3) and the nut (4) from the fuel pipe (1).
(8)
Remove and discard the O-ring (2) from the fuel pipe (1).
(9)
Remove the bolts (9).
(10)
Remove the fuel pump strainer (15).
(11)
Put blanking plugs on the disconnected line ends.
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Fuel Pump Strainer
Figure 401/TASK 28-21-54-991-001
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1 1
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TASK 28-21-54-400-001
Installation of the Fuel Pump Strainer
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 3.0 m (9 ft. 10 in.)
B. Consumable Materials 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320飞机维护手册 AMM FUEL 燃油3(104)
