(2)
Make sure that the safety barriers are in position.
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B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------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 28-21-52-860-054
C. Aircraft Maintenance Configuration
(1)
Make sure that the applicable fuel tank is defuelled (Ref. TASK 28-25-00-650-001).
(2)
Make sure that the access platform is below the applicable fuel pump canister.
(3)
Make sure that the applicable fuel pump is removed (Ref. TASK 28-21-51-000-001).
4. Procedure
_________ (Ref. Fig. 404/TASK 28-21-52-991-005) Subtask 28-21-52-420-061
A. Preparation for Installation
(1)
Clean the component interfaces and the adjacent areas with a MISCELLANEOUS (Material No. 19-003) made moist with CLEANING AGENTS (Material No. 11-026).
(2)
Make sure that the slide valve is clean and in the correct condition.
(3)
Do an inspection of the component interface and/or the adjacent area.
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(4) Lubricate the new parts that follow with FUELS (Material No. 01-001) or COMMON GREASE (Material No. 04-012):
-the sealing ring (2)
-the sealing rings (3). Subtask 28-21-52-420-062
B. Installation of the Slide Valve
(1)
Install the sealing ring (2) in its groove in the canister (1).
(2)
Install the sealing rings (3) in their grooves in the slide valve (4).
(3)
Carefully push the slide valve (4) into the canister (1). Make sure that the sealing rings do not move from their installed positions.
(4)
Engage the retaining pin of the baulk arm assembly (5) with the slot in the flange of the slide valve (4).
(5)
Push the baulk arm assembly (5) into its opening in the canister (1).
(6)
Install the screws (6).
(7)
TORQUE the screws (6) to 0.226 m.daN (19.99 lbf.in).
5. Close-up
________ Subtask 28-21-52-410-055
A. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Install the applicable fuel pump (Ref. TASK 28-21-51-400-001). Subtask 28-21-52-865-063
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1QA, 2QA, 7QA, 8QA, 11QA, 12QA.
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C. Fuel Configuration
(1) Refuel, defuel or transfer fuel as necessary (Ref. TASK 12-11-28-650-003), (Ref. TASK 28-25-00-650-001) or (Ref. TASK 28-25-00-869-001).
Subtask 28-21-52-942-057
D. Removal of Equipment
(1)
Remove the safety barriers.
(2)
Remove the access platform(s).
(3)
Remove the warning notice(s).
(4)
Remove the ground support and maintenance equipment, the special and standard tools and all other items.
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TASK 28-21-52-000-006
Removal of the Slide Valve of the Fuel Pump Canister 84QM(85QM)
WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
_______
START A TASK ON OR NEAR:
-
THE FLIGHT CONTROLS
-
THE FLIGHT CONTROL SURFACES
-
THE LANDING GEAR AND THE RELATED DOORS
-COMPONENTS THAT MOVE.
WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______
GEAR.
1. Reason for the Job 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(90)
