(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(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). R
R Subtask 73-11-10-861-053
R B. Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
R Subtask 73-11-10-865-058
R C. Open, safety and tag this(these) circuit breaker(s):
R -------------------------------------------------------------------------------R PANEL DESIGNATION IDENT. LOCATION R -------------------------------------------------------------------------------R 49VU FUEL/LP VALVE/MOT1/ENG2 2QG A09 R 49VU FUEL/LP VALVE/MOT1/ENG1 1QG A08
Subtask 73-11-10-010-077
R D. Open the fan cowl doors (Ref. TASK 71-13-00-010-040): FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR
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4. Procedure
_________ (Ref. Fig. 801/TASK 73-11-10-991-307, 802/TASK 73-11-10-991-308) NOTE : The following procedure is applied in case of insert(s) found
____ damaged. In case of insert damages, all helicoil inserts will be unscrewed.
Subtask 73-11-10-020-066
A. Remove the fuel filter cover.
(1) Put a container under the engine for draining residual fuel.
(2) Cut and remove lockwire from drain plug (70).
(3) Remove drain plug (70) and let the fuel drain.
(4) Remove and discard O-ring (80) from the drain plug (70).
(5) Remove and discard the attaching bolts (60) and the washers (50) from the fuel filter cover (40).
(6) Remove the fuel filter cover (40).
(7) Remove and discard the O-ring (90) from the fuel filter cover (40). Subtask 73-11-10-020-067
B. Remove the inserts from the main fuel pump housing.
(Ref. Fig. 801/TASK 73-11-10-991-307)
(1) Manufacture a tool for extracting insert.
(Ref. Fig. 802/TASK 73-11-10-991-308)
(2) Engage the locally manufactured tool to the hole until it contacts the helicoil insert.
(3) Unscrew and remove all helicoil inserts from the main fuel pump housing.
Subtask 73-11-10-210-055
C. Visually inspect the aluminum thread housing.
(1) Remove the particles as necessary using a brush or a clean soak.
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Housing Insert Location Figure 801/TASK 73-11-10-991-307
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Insert Extractor
Figure 802/TASK 73-11-10-991-308
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Subtask 73-11-10-420-065
D. Install the fuel filter cover.
(1) Refer to Installation of the Fuel Filter Element (Ref. TASK 73-11-10-400-004) Configuration 2 or 3.
5. Close-up
________
Subtask 73-11-10-410-067
A. Close the fan cowl doors (Ref. TASK 71-13-00-410-040):
FOR 1000EM1
437AL, 438AR
FOR 1000EM2
447AL, 448AR
R Subtask 73-11-10-865-059
R B. Remove the safety clip(s) and the tag(s) and close this(these) circuit R breaker(s):
R -------------------------------------------------------------------------------R PANEL DESIGNATION IDENT. LOCATION R -------------------------------------------------------------------------------R 49VU FUEL/LP VALVE/MOT1/ENG2 2QG A09 R 49VU FUEL/LP VALVE/MOT1/ENG1 1QG A08
R Subtask 73-11-10-862-053
R C. De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-R 002).
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HOSE - MAIN FUEL SUPPLY - REMOVAL/INSTALLATION
______________________________________________ TASK 73-11-11-000-041 Removal 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 -------------------------------------------------------------------------------
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