(a) Put a warning notice to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
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(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a warning notice to tell persons not to energize the FADEC 1(2).
Subtask 73-11-11-010-050
B. Get Access
(1) Open the fan cowl doors (Ref. TASK 71-13-00-010-040):
FOR 1000EM1
437AL, 438AR
FOR 1000EM2
447AL, 448AR
(2) Put the access platform in position.
4. Procedure
_________ (Ref. Fig. 401/TASK 73-11-11-991-300) Subtask 73-11-11-020-050
A. Removal of the Main Fuel Supply Hose
(1) Remove the bolts (5), the washers (15), the nuts (20) and the clamp
(10) from the upper bracket.
(2) Remove the bolts (5) and the clamp (10) from the middle bracket.
(3) Remove the bolts (5), the nuts (20) and the clamp (10) from the lower bracket.
(4) Put the container below the fuel manifold duct to catch the drained fuel.
(5) Cut and remove the lockwire from the bolts (30).
(6) Remove the bolts (30) and the washers (35) that attach the main fuel supply hose (25) to the fuel manifold duct. Let the fuel drain into the container.
(7) Remove the bolts (30) and the washers (35) that attach the hose (25) to the fluid disconnect panel.
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Main Fuel Supply Hose
Figure 401/TASK 73-11-11-991-300
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(9) Put protective covers on the ends of the hose (25), the fluid disconnect panel and the fuel manifold duct.
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TASK 73-11-11-400-041
Installation of the Main Fuel Supply Hose
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s)
No specific warning notice
No specific access platform 1 m (3 ft. 3 in.)
No specific Torque Wrench : range 32 to 36 lbf.in
(0.36 to 0.40 m.daN)
No specific Torque Wrench : range 36.00 to 220.00 lbf.in
(0.40 to 2.60 m.daN)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. CP8001 * lockwire 0.032 in. (0.8 mm) dia. (Ref. 70-30-00) Material No. CP8002 * lockwire 0.032 in. (0.8 mm) dia. (Ref. 70-30-00)
C. Expendable Parts
-------------------------------------------------------------------------------FIG.ITEM |DESIGNATION |IPC-CSN -------------------------------------------------------------------------------
R 40 gasket 73-11-11 01A-070 40 gasket 73-11-11 01A-100
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D. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION ------------------------------------------------------------------------------- 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 发动机燃油和控制 ENGINE FUEL AND CONTRO(44)
