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B. Get Access
(1) Open the fan cowl doors: (Ref. TASK 71-13-00-010-040)
FOR 1000EM1
437AL, 438AR
FOR 1000EM2
447AL, 448AR
Subtask 73-11-10-040-053
C. Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041). Subtask 73-11-10-010-068
D. Open the thrust reverser doors: (Ref. TASK 78-36-00-010-040)
FOR 1000EM1
451AL, 452AR
FOR 1000EM2
461AL, 462AR
4. Procedure
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(Ref. Fig. 602/TASK 73-11-10-991-304) Subtask 73-11-10-280-051
A. Check of the engine Fuel pump Discharge Pressure
(1) Remove plug (50) from PHP port on the fuel pump and discard O-ring (40).
(a) Remove plug (60) from the PBP port on the fuel pump and discard O-ring (70).
(2) Connect a 100 psi gage and line to PBP port.
(a) Connect a 1000 psi gage and line to PHP port.
(3) Dry motor the engine to 20 percent N2 minimum (Ref. TASK 71-00-00-710-001).
(a) Observe pressure indication on gages and make sure there is a minimum pressure increase of 225 psi (15.5 bar) between low pressure side (PBP) and high pressure side (PHP) of pump.
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Location of PBP and PHP Pressure Ports
Figure 602/TASK 73-11-10-991-304
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(b) If so, reinstall the removed parts.
(c) If not, replace the pump (Ref. TASK 73-11-10-000-003) and (Ref. TASK 73-11-10-400-003).
(4) Remove pressure gages and lines from PBP and PHP ports.
R (5) Apply a thin layer of engine oil (Material No. CP2442) to a new O-R ring (70) and install it on the groove of the PBP plug (60).
(6) Install PBP plug (60) on the cover plate of the PBP port. TORQUE to between 90 and 100 lbf.in (1.01 and 1.13 m.daN) and wirelock with lockwire 0.032 in. 0.8 mm dia. (Material No. CP8001) or lockwire
0.032 in. 0.8 mm dia. (Material No. CP8002).
R (7) Apply a thin layer of engine oil (Material No. CP2442) to a new O-R ring (40) and install it on the groove of the PHP plug (50).
(8) Install PHP plug (50). TORQUE to between 45 and 55 lbf.in (0.50 and
0.62 m.daN) and wirelock with lockwire 0.032 in. 0.8 mm dia. (Material No. CP8001) or lockwire 0.032 in. 0.8 mm dia. (Material No. CP8002).
Subtask 73-11-10-410-061
B. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Close the thrust reverser doors: (Ref. TASK 78-36-00-410-040). FOR 1000EM1 451AL, 452AR FOR 1000EM2 461AL, 462AR
(3) Remove the warning notice(s).
Subtask 73-11-10-440-053
C. Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041).
Subtask 73-11-10-710-056
D. Do a minimum idle check and check for leaks. No leakage permitted (Ref. TASK 71-00-00-710-006).
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Subtask 73-11-10-410-062
A. Close the fan cowl doors: (Ref. TASK 71-13-00-410-040) FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR
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TASK 73-11-10-210-003
Visual Inspection of the Fuel Filter Cartridge
1. Reason for the Job
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You must do this visual inspection after each removal of the fuel filter element(cartridge) related to an ECAM warning "FUEL FILTER CLOG", or when you find an important contamination at the bottom of the fuel filter cover during any replacement of the fuel filter, whatever the reason. This inspection will help to find any possible contamination of the Aircraft and engine fuel supply systems.
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
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REFERENCE QTY DESIGNATION
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No specific warning notice
B. Referenced Information
中國航空網 www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：A320飛機維護手冊 AMM 發動機燃油和控制 ENGINE FUEL AND CONTRO(37)
