(2) On the overhead maintenance panel 50VU, make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off. Make sure that a warning notice is in position to tell persons not to energize the FADEC 1(2).
(3) Make sure that the access platform is in position.
Subtask 73-11-11-010-051
B. Make sure that the fan cowl doors are open (Ref. TASK 71-13-00-010-040): FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR
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4. Procedure
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(Ref. Fig. 401/TASK 73-11-11-991-300)
Subtask 73-11-11-420-050
A. Installation of the Main Fuel Supply Hose
(1) Remove the protective covers from the main fuel supply hose (25), the fuel manifold duct and the fluid disconnect panel.
R (2) Attach the hose (25) and the gasket (40) to the fluid disconnect panel with the bolts (30) and the washers (35).
(3) TORQUE the bolts (30) to between 65 and 85 lbf.in (0.73 and 0.96 m.daN).
(4) Safety the bolts (30) with lockwire 0.032 in. (0.8 mm) dia. (Material No. CP8001) or lockwire 0.032 in. (0.8 mm) dia. (Material No. CP8002).
(5) Attach the hose (25) and the gasket (40) to the fuel manifold duct with the bolts (30) and the washers (35).
(6) TORQUE the bolts (30) to between 65 and 85 lbf.in (0.73 and 0.96 m.daN).
(7) Safety the bolts (30) lockwire 0.032 in. (0.8 mm) dia. (Material No. CP8001) or lockwire 0.032 in. (0.8 mm) dia. (Material No. CP8002).
(8) Attach the hose (25) to the upper bracket with the clamp (10), the bolts (5), the washers (15) and the nuts (20).
(9) Attach the hose (25) to the middle bracket with the clamp (10) and the bolts (5).
(10) Attach the hose (25) to the lower bracket with the clamp (10), the bolts (5) and the nuts (20).
(11) TORQUE the bolts (5) to between 32 and 36 lbf.in (0.36 and 0.40 m.daN).
B. Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
Subtask 73-11-11-861-050
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C. Open, safety and tag this(these) circuit breaker(s): -------------------------------------------------------------------------------
PANEL ------ DESIGNATION -------------------------------- ---------------------- IDENT. LOCATION-------------------
FOR 1000EM1
49VU ENGINE/1/HP FUEL SOV 1KC1 A01
FOR 1000EM2
49VU ENGINE/2/HP FUEL SOV 1KC2 A02
Subtask 73-11-11-710-050
D. Do this test
--------------------------------------ACTION ----------------------RESULT -------------------
-------------------------------------------------------------------------------
1. On the HYD/FUEL panel 40VU, push The OFF legends go off. all the FUEL PUMPS pushbutton switches to activate the fuel pumps.
2. On the engine, make sure that there are no leaks at connections.
3. On the HYD/FUEL panel 40VU, The OFF legends come on. release the FUEL PUMPS pushbutton switches.
Subtask 73-11-11-862-050
E. De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
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Subtask 73-11-11-865-051
A. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): FOR 1000EM1 1KC1 FOR 1000EM2 1KC2
Subtask 73-11-11-410-050
B. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Close the fan cowl doors (Ref. TASK 71-13-00-410-040):
FOR 1000EM1
437AL, 438AR
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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(45)
