_____________________________________________
 TASK 72-56-00-000-001
 Removal of the Flame Arrestor and Flange Assembly
 1. Reason for the Job
__________________
 To allow the inspection/check and the cleaning of the rear sump oil supply
 tube in the LPT frame.
 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
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REFERENCE DESIGNATION
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78-11-11-000-041 Removal of the Core Nozzle Assembly
 78-11-12-000-041 Removal of the Centerbody
 **ON A/C 001-049, 052-099, 101-105, 151-154, 201-207,
 72-56-00-991-300 Fig. 401
 **ON A/C 051-051,
 72-56-00-991-300-B Fig. 401A R **ON A/C 106-149, 155-199, 208-299, 301-399, 401-499,
 72-56-00-991-300-A Fig. 401B
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 **ON A/C ALL

 3. Job Set-up
__________
 Subtask 72-56-00-941-052

 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.

 (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 72-56-00-010-055
 B. Get Access
 (1) Remove the core nozzle (Ref. TASK 78-11-11-000-041).

 (2) Remove the centerbody (Ref. TASK 78-11-12-000-041).

 4. Procedure
_________ R **ON A/C 001-049, 052-099, 101-105, 151-154, 201-207,
 (Ref. Fig. 401/TASK 72-56-00-991-300) R **ON A/C 051-051,
R (Ref. Fig. 401A/TASK 72-56-00-991-300-B)
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 Flame Arrestor and Flange Assembly
 Figure 401/TASK 72-56-00-991-300

 F 『R EEFF : 001-049, 052-099, 101-105, 151-154, E Page 40372-56-00
 E E201-207, May 01/05 E E ECES E F 『 E C F M E E E E 56-5B ER **ON A/C 106-149, 155-199, 208-299, 301-399, 401-499,

R  Flame Arrestor and Flange Assembly 
R  Figure 401A/TASK 72-56-00-991-300-B
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 (Ref. Fig. 401B/TASK 72-56-00-991-300-A)
 **ON A/C 001-049, 051-099, 101-105, 151-154, 201-207,

 Subtask 72-56-00-020-050
 A. Removal of the Flame Arrestor
 PRE SB CFMI 72-045

 (1) Remove the six bolts (20) which attach the flame arrestor (30) to the oil inlet cover through the flange assembly (90).

 POST SB CFMI 72-045

 (2) Remove the six bolts (20) which attach the flame arrestor (10) or

 (30) to the oil inlet cover through the flange assembly (90).
 END OF SB CFMI 72-045
 Subtask 72-56-00-020-051

 B. Removal of the Flange Assembly NOTE : This procedure is for both of Turbine Frame with Tangential Non
____ Symetrical Section Struts or with Radial Struts only.
 (1) Remove the three bolts (40) and washers (50) which attach the sleeve

 (60) to the flange assembly (90).

 (2) Remove the sleeve (60).

 (3) Remove the thirty two bolts (70) which attach the flange assembly

 (90) to the LPT frame.

 (4) Remove the flange assembly (90) from the LPT frame.

 (5) Remove and discard the gasket seal (80).

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