(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 79-00-00-010-059
B. Open the fan cowl doors: (Ref. TASK 71-13-00-010-040)
FOR 1000EM1
437AL, 438AR
FOR 1000EM2
447AL, 448AR
R 4. Procedure
_________
R (Ref. Fig. 201/TASK 79-00-00-991-300)
R Subtask 79-00-00-080-051
R A. Removal of the Magnetics Bars
R CAUTION : DO NOT TRY TO LOOSEN AND/OR REMOVE THE SCREEN FROM THE PLUG
_______ R BODY BEFORE INSTALLATION OF THE MAGNETIC BAR. THE PLUG BODY AND R THE SCREEN ARE A NON-SEPARABLE ASSEMBLY. IF NOT, DAMAGE COULD R OCCUR.
R (1) Remove the scavenge screen plugs from the lubrication unit (Ref. TASK R 79-21-10-000-007).
R (2) Remove the magnetic bar (10) from the 4 scavenge screen plugs.
R (3) Install the scavenge screen plugs on the lubrication unit (Ref. TASK R 79-21-10-400-007).
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________ Subtask 79-00-00-410-058
A. 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
FOR 1000EM2
447AL, 448AR
(3) Remove the warning notice(s).
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OIL - GENERAL - INSPECTION/CHECK
________________________________
TASK 79-00-00-210-002
Walk-around Inspection
1. Reason for the Job
__________________
To find for evidence of oil leaks with the engine cowls closed.
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific warning notice
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
71-00-00-000-042 Removal of the Power Plant 71-00-00-400-042 Installation of the Power Plant 71-00-00-790-001 Leak Test of the Accessory-Gearbox (AGB) Carbon Seal 79-00-00-210-003 Visual Inspection of the Oil System 79-11-10-200-002 Inspection/Check of the Oil Tank
R AMM 71-00-00-790-002 Fuel or Hydraulic or Oil Leakage Limits
3. Job Set-up
__________
Subtask 79-00-00-941-053
A. Safety Precautions
(1) On the center pedestal, on the ENG panel 115VU:
(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).
4. Procedure
_________ Subtask 79-00-00-210-056
A. Inspection of the Fan Blades and Stage 1 Booster Vanes
(1) Visually inspect the fan blades and the stage 1 booster vanes at the 6 o'clock position.
(a) If they are wet with oil, replace the engine (Ref. TASK 71-00-00-000-042) and (Ref. TASK 71-00-00-400-042).
Subtask 79-00-00-210-057
B. Inspection of the Drain Mast
(1) Inspect the drain mast for oil leakage.
(2) If you find oil leaks from the drain tubes of the starter pad, the IDG pad, the fuel pump pad or the hydraulic pump pad, do a leak check of the AGB (Ref. TASK 71-00-00-790-001).
(3) If you find oil leaks from the oil tank scupper drain tube, inspect the oil tank filler cap (Ref. TASK 79-11-10-200-002).
Subtask 79-00-00-210-058
C. Inspection of the Bottom of the Cowls
(1) Inspect the bottom of the cowls and note any sign of leakage for the visual inspection of the oil system (Ref. TASK 79-00-00-210-003).
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