Preliminary Requirements

Procedure

1. SUBTASK 72-50-00-220-075 Reference Fits and Clearances of Stage 6 Inner Turbine Air Seal and the No. 5 Bearing Housing at Location 2275

   1. Refer to Figure.

   2. Reference the clearance at Location 2275. If required, use the data written as a note in TASK 72-50-53-200-000 (INSPECTION-000) and TASK 72-50-00-200-000 (INSPECTION-000).

      Table 1. Fits and Clearances (all dimensions are in inches)

      	NEW PART		WORN PART
      	DIMENSIONS		DIMENSIONS
      PART IDENT	Size	Clearance	Non-select	REJECT IF MORE THAN
      LOCATION 2275
      No. 5 Bearing Housing Turbine Exhaust Case (TEC) Assembly And Related Parts (72-50-53, 21-020)
      The Stage 6 Inner Turbine Air Seal LP Turbine (LPT) And Turbine Exhaust Case (TEC) Unit (72-50-00, 01-240)
      No. 5 Bearing Housing	5.5512	Clear
      	5.5551	0.0315
      Stage 6 Inner Turbine Air Seal	5.5157	0.0394
      	5.5197	Clear

      Table 2. Fits and Clearances (all dimensions are in millimeters)

      	NEW PART		WORN PART
      	DIMENSIONS		DIMENSIONS
      PART IDENT	Size	Clearance	Non-select	REJECT IF MORE THAN
      LOCATION 2275
      No. 5 Bearing Housing Turbine Exhaust Case (TEC) Assembly And Related Parts (72-50-53, 21-020)
      The Stage 6 Inner Turbine Air Seal LP Turbine (LPT) And Turbine Exhaust Case (TEC) Unit (72-50-00, 01-240)
      No. 5 Bearing Housing	141.001	Clear
      	141.099	0.800
      Stage 6 Inner Turbine Air Seal	140.099	1.001
      	140.200	Clear

2. SUBTASK 72-50-00-220-076 Reference Fits and Clearances of the LP Turbine Case and the Turbine Exhaust Case at Location 2277

   1. Refer to Figure.

   2. Reference the interference at Location 2277. If required, use the data written as a note in TASK 72-50-10-200-000 (INSPECTION-000) and TASK 72-50-53-200-000 (INSPECTION-000).

      Table 3. Fits and Clearances (all dimensions are in inches)

      	NEW PART		WORN PART
      	DIMENSIONS		DIMENSIONS
      PART IDENT	Size	Clearance	Non-select	REJECT IF MORE THAN
      LOCATION 2277
      LP Turbine Case LPT Case And Rotor Assembly (72-50-10, 01-010)
      Turbine Exhaust Case Turbine Exhaust Case (TEC) Assembly And Related Parts (72-50-53, 21-300)
      LP Turbine Case Diameter	38.6587	Intf	38.6480	Clear
      	38.6642	0.0000	38.6642	0.0244
      Turbine Exhaust Case Bore	38.6524	0.0118	38.6524	0.0118
      	38.6587	Intf	38.6724	Intf

      Table 4. Fits and Clearances (all dimensions are in millimeters)

      	NEW PART		WORN PART
      	DIMENSIONS		DIMENSIONS
      PART IDENT	Size	Clearance	Non-select	REJECT IF MORE THAN
      LOCATION 2277
      LP Turbine Case LPT Case And Rotor Assembly (72-50-10, 01-010)
      Turbine Exhaust Case Turbine Exhaust Case (TEC) Assembly And Related Parts (72-50-53, 21-300)
      LP Turbine Case Diameter	981.931	Intf	981.66	Clear
      	982.070	0.000	982.07	0.62
      Turbine Exhaust Case Bore	981.771	0.300	981.77	0.30
      	981.931	Intf	982.28	Intf

3. SUBTASK 72-50-00-220-077 References Fits and Clearances of the LP Turbine Shaft and the No. 5 Bearing at Location 2271

   1. Refer to Figure.

   2. Reference the interference at Location 2271. If required, use the data written as a note in TASK 72-50-41-200-000 (INSPECTION-000) and TASK 72-50-52-200-000 (INSPECTION-000).

      Table 5. Fits and Clearances (all dimensions are in inches)

      	NEW PART		WORN PART
      	DIMENSIONS		DIMENSIONS
      PART IDENT	Size	Clearance	Non-select	REJECT IF MORE THAN
      LOCATION 2271
      LP Turbine Shaft LPT Shaft And Related Parts (72-50-41, 01-200)
      The No. 5 Bearing ENGINE-NO.5 BEARING PLATE AND OIL DEFLECTOR (72-50-52, 20-060)
      LP Turbine Shaft Diameter	3.6224	Intf
      	3.6228	0.0003
      No. 5 Bearing Bore	3.6217	0.0011
      	3.6220	Intf

      Table 6. Fits and Clearances (all dimensions are in millimeters)

      	NEW PART		WORN PART
      	DIMENSIONS		DIMENSIONS
      PART IDENT	Size	Clearance	Non-select	REJECT IF MORE THAN
      LOCATION 2271
      LP Turbine Shaft LPT Shaft And Related Parts (72-50-41, 01-200)
      The No. 5 Bearing ENGINE-NO.5 BEARING PLATE AND OIL DEFLECTOR (72-50-52, 20-060)
      LP Turbine Shaft Diameter	92.009	Intf
      	92.019	0.008
      No. 5 Bearing Bore	91.991	0.028
      	91.999	Intf

4. SUBTASK 72-50-00-220-078 Reference Fits and Clearances of the LP Turbine Shaft and the No. 5 Bearing Seal Spacer at Location 2272

   1. Refer to Figure.

   2. Reference the clearance at Location 2272. If required, use the data written as a note in TASK 72-50-41-200-000 (INSPECTION-000) and TASK 72-50-42-200-000 (INSPECTION-000).

      Table 7. Fits and Clearances (all dimensions are in inches)

      	NEW PART		WORN PART
      	DIMENSIONS		DIMENSIONS
      PART IDENT	Size	Clearance	Non-select	REJECT IF MORE THAN
      LOCATION 2272
      LP Turbine Shaft LPT Shaft And Related Parts (72-50-41, 01-200)
      The No. 5 Bearing Seal Spacer ENGINE-NO.5 BEARING ASSEMBLY AND SEAL (72-50-42, 20-120)
      LP Turbine Shaft Diameter	3.7392	Clear
      	3.7398	0.0004
      No. 5 Bearing Seal Spacer	3.7402	0.0019
      	3.7411	Clear

      Table 8. Fits and Clearances (all dimensions are in millimeters)

      	NEW PART		WORN PART
      	DIMENSIONS		DIMENSIONS
      PART IDENT	Size	Clearance	Non-select	REJECT IF MORE THAN
      LOCATION 2272
      LP Turbine Shaft LPT Shaft And Related Parts (72-50-41, 01-200)
      The No. 5 Bearing Seal Spacer ENGINE-NO.5 BEARING ASSEMBLY AND SEAL (72-50-42, 20-120)
      LP Turbine Shaft Diameter	94.976	Clear
      	94.991	0.010
      No. 5 Bearing Seal Spacer	95.001	0.049
      	95.024	Clear

5. SUBTASK 72-50-00-220-079-A00 Reference Fits and Clearances of the LP Turbine Shaft and the No. 5 Bearing Seal Spacer at Location 2273 (Pre SBE 72-0165)

   1. Refer to Figure.

   2. Reference the clearance at Location 2273. If required, use the data written as a note in TASK 72-50-41-200-000 (INSPECTION-000) and TASK 72-50-42-200-000 (INSPECTION-000).

      Table 9. Fits and Clearances (all dimensions are in inches)

      	NEW PART		WORN PART
      	DIMENSIONS		DIMENSIONS
      PART IDENT	Size	Clearance	Non-select	REJECT IF MORE THAN
      LOCATION 2273
      LP Turbine Shaft LPT Shaft And Related Parts (72-50-41, 01-200)
      The No. 5 Bearing Seal Spacer ENGINE-NO.5 BEARING ASSEMBLY AND SEAL (72-50-42, 20-160)
      LP Turbine Shaft Diameter	3.739	Clear
      	3.740	0.008
      No. 5 Bearing Seal Spacer	3.748	0.019
      	3.758	Clear

      Table 10. Fits and Clearances (all dimensions are in millimeters)

      	NEW PART		WORN PART
      	DIMENSIONS		DIMENSIONS
      PART IDENT	Size	Clearance	Non-select	REJECT IF MORE THAN
      LOCATION 2273
      LP Turbine Shaft LPT Shaft And Related Parts (72-50-41, 01-200)
      The No. 5 Bearing Seal Spacer ENGINE-NO.5 BEARING ASSEMBLY AND SEAL (72-50-42, 20-160)
      LP Turbine Shaft Diameter	94.971	Clear
      	94.996	0.200
      No. 5 Bearing Seal Spacer	95.200	0.480
      	95.450	Clear

6. SUBTASK 72-50-00-220-079-B00 Reference Fits and Clearances of the LP Turbine Shaft and the No. 5 Bearing Seal Spacer at Location 2273 (SBE 72-0165)

   1. Refer to Figure.

   2. Reference the clearance at Location 2273. If required, use the data written as a note in TASK 72-50-41-200-000 (INSPECTION-000) and TASK 72-50-42-200-000 (INSPECTION-000).

      Table 11. Fits and Clearances (all dimensions are in inches)

      	NEW PART		WORN PART
      	DIMENSIONS		DIMENSIONS
      PART IDENT	Size	Clearance	Non-select	REJECT IF MORE THAN
      LOCATION 2273
      LP Turbine Shaft LPT Shaft And Related Parts (72-50-41, 01-200)
      No. 5 Bearing Seal Spacer ENGINE-NO.5 BEARING ASSEMBLY AND SEAL (72-50-42, 20-160)
      LP Turbine Shaft Diameter	3.739	Clear
      	3.740	0.004
      No. 5 Bearing Seal Spacer	3.744	0.006
      	3.745	Clear

      Table 12. Fits and Clearances (all dimensions are in millimeters)

      	NEW PART		WORN PART
      	DIMENSIONS		DIMENSIONS
      PART IDENT	Size	Clearance	Non-select	REJECT IF MORE THAN
      LOCATION 2273
      LP Turbine Shaft LPT Shaft And Related Parts (72-50-41, 01-200)
      The No. 5 Bearing Seal Spacer ENGINE-NO.5 BEARING ASSEMBLY AND SEAL (72-50-42, 20-160)
      LP Turbine Shaft Diameter	94.971	Clear
      	94.946	0.102
      No. 5 Bearing Seal Spacer	95.098	0.152
      	95.123	Clear

7. SUBTASK 72-50-00-220-080 Reference Fits and Clearances of the No. 5 Bearing Seal Spacers at Location 2274

   1. Refer to Figure.

   2. Reference the clearance at Location 2274. If required, use the data written as a note in TASK 72-50-42-200-000 (INSPECTION-000).

      Table 13. Fits and Clearances (all dimensions are in inches)

      	NEW PART		WORN PART
      	DIMENSIONS		DIMENSIONS
      PART IDENT	Size	Clearance	Non-select	REJECT IF MORE THAN
      LOCATION 2274
      No. 5 Bearing Seal Spacer ENGINE-NO.5 BEARING ASSEMBLY AND SEAL (72-50-42, 20-120)
      No. 5 Bearing Seal Spacer ENGINE-NO.5 BEARING ASSEMBLY AND SEAL (72-50-42, 20-160)
      No. 5 Bearing Seal Spacer	4.0645	Clear
      	4.0655	0.002
      No. 5 Bearing Seal Spacer	4.0675	0.004
      	4.0685	Clear

      Table 14. Fits and Clearances (all dimensions are in millimeters)

      	NEW PART		WORN PART
      	DIMENSIONS		DIMENSIONS
      PART IDENT	Size	Clearance	Non-select	REJECT IF MORE THAN
      LOCATION 2274
      No. 5 Bearing Seal Spacer ENGINE-NO.5 BEARING ASSEMBLY AND SEAL (72-50-42, 20-120)
      No. 5 Bearing Seal Spacer ENGINE-NO.5 BEARING ASSEMBLY AND SEAL (72-50-42, 20-160)
      No. 5 Bearing Seal Spacer	103.238	Clear
      	103.264	0.051
      No. 5 Bearing Seal Spacer	103.314	0.102
      	103.340	Clear

8. SUBTASK 72-50-00-220-081 Reference Fits and Clearances of the No. 5 Bearing Nozzle and the Turbine Exhaust Case at Location 2283

   1. Refer to Figure.

   2. Reference the clearance at Location 2283. If required, use the data written as a note in TASK 72-58-02-200-000 (INSPECTION-000) and TASK 72-50-53-200-000 (INSPECTION-000).

      Table 15. Fits and Clearances (all dimensions are in inches)

      	NEW PART		WORN PART
      	DIMENSIONS		DIMENSIONS
      PART IDENT	Size	Clearance	Non-select	REJECT IF MORE THAN
      LOCATION 2283
      No. 5 Bearing Nozzle NO.5 BEARING OIL JET AND FILTER (72-58-02, 01-070)
      The Turbine Exhaust Case Turbine Exhaust Case (TEC) Assembly And Related Parts (72-50-53, 21-300)
      No. 5 Bearing Nozzle	0.534	Clear
      	0.536	0.002
      Turbine Exhaust Case	0.538	0.008
      	0.542	Clear

      Table 16. Fits and Clearances (all dimensions are in millimeters)

      	NEW PART		WORN PART
      	DIMENSIONS		DIMENSIONS
      PART IDENT	Size	Clearance	Non-select	REJECT IF MORE THAN
      LOCATION 2283
      No. 5 Bearing Nozzle NO.5 BEARING OIL JET AND FILTER (72-58-02, 01-070)
      The Turbine Exhaust Case Turbine Exhaust Case (TEC) Assembly And Related Parts (72-50-53, 21-300)
      No. 5 Bearing Nozzle	13.564	Clear
      	13.614	0.051
      Turbine Exhaust Case	13.665	0.203
      	13.767	Clear

9. SUBTASK 72-50-00-220-082 Reference Fits and Clearances of the No. 5 Bearing Transfer Tube and the Turbine Exhaust Case at Location 2284

   1. Refer to Figure.

   2. Reference the clearance at Location 2284. If required, use the data written as a note in TASK 72-58-02-200-000 (INSPECTION-000) and TASK 72-50-53-200-000 (INSPECTION-000).

      Table 17. Fits and Clearances (all dimensions are in inches)

      	NEW PART		WORN PART
      	DIMENSIONS		DIMENSIONS
      PART IDENT	Size	Clearance	Non-select	REJECT IF MORE THAN
      LOCATION 2284
      No. 5 Bearing Transfer Tube NO.5 BEARING OIL JET AND FILTER (72-58-02, 01-030)
      Turbine Exhaust Case Turbine Exhaust Case (TEC) Assembly And Related Parts (72-50-53, 21-300)
      No. 5 Bearing Transfer Tube	0.359	Clear
      	0.361	0.017
      Turbine Exhaust Case	0.378	0.023
      	0.382	Clear

      Table 18. Fits and Clearances (all dimensions are in millimeters)

      	NEW PART		WORN PART
      	DIMENSIONS		DIMENSIONS
      PART IDENT	Size	Clearance	Non-select	REJECT IF MORE THAN
      LOCATION 2284
      No. 5 Bearing Transfer Tube NO.5 BEARING OIL JET AND FILTER (72-58-02, 01-030)
      Turbine Exhaust Case Turbine Exhaust Case (TEC) Assembly And Related Parts (72-50-53, 21-300)
      No. 5 Bearing Transfer Tube	9.119	Clear
      	9.169	0.432
      Turbine Exhaust Case	9.601	0.584
      	9.703	Clear

10. SUBTASK 72-50-00-220-083 Reference Fits and Clearances of the No. 5 Bearing Transfer Tube and the No. 5 Bearing Nozzle at Location 2285

    1. Refer to Figure.

    2. Reference the clearance at Location 2285. If required, use the data written as a note in TASK 72-58-02-200-000 (INSPECTION-000).

       Table 19. Fits and Clearances (all dimensions in inches)

       	NEW PART		WORN PART
       	DIMENSIONS		DIMENSIONS
       PART IDENT	Size	Clearance	Non-select	REJECT IF MORE THAN
       LOCATION 2285
       No. 5 Bearing Transfer Tube NO.5 BEARING OIL JET AND FILTER (72-58-02, 01-030)
       No. 5 Bearing Nozzle NO.5 BEARING OIL JET AND FILTER (72-58-02, 01-070)
       No. 5 Bearing Transfer Tube	0.359	Clear
       	0.361	0.017
       No. 5 Bearing Nozzle	0.378	0.023
       	0.382	Clear

       Table 20. Fits and Clearances (all dimensions in millimeters)

       	NEW PART		WORN PART
       	DIMENSIONS		DIMENSIONS
       PART IDENT	Size	Clearance	Non-select	REJECT IF MORE THAN
       LOCATION 2285
       No. 5 Bearing Transfer Tube NO.5 BEARING OIL JET AND FILTER (72-58-02, 01-030)
       No. 5 Bearing Nozzle NO.5 BEARING OIL JET AND FILTER (72-58-02, 01-070)
       No. 5 Bearing Transfer Tube	9.119	Clear
       	9.169	0.432
       No. 5 Bearing Nozzle	9.601	0.584
       	9.703	Clear

11. SUBTASK 72-50-00-220-084 Reference Fits and Clearances of the No. 5 Bearing Transfer Tube and the No. 5 Bearing Nozzle at Location 2286

    1. Refer to Figure.

    2. Reference the clearance at Location 2286. If required, use the data written as a note in TASK 72-58-02-200-000 (INSPECTION-000).

       Table 21. Fits and Clearances (all dimensions in inches)

       	NEW PART		WORN PART
       	DIMENSIONS		DIMENSIONS
       PART IDENT	Size	Clearance	Non-select	REJECT IF MORE THAN
       LOCATION 2286
       No. 5 Bearing Transfer Tube NO.5 BEARING OIL JET AND FILTER (72-58-02, 01-030)
       No. 5 Bearing Nozzle NO.5 BEARING OIL JET AND FILTER (72-58-02, 01-070)
       No. 5 Bearing Transfer Tube	0.394	Clear
       	0.396	0.017
       No. 5 Bearing Nozzle	0.413	0.023
       	0.417	Clear

       Table 22. Fits and Clearances (all dimensions in millimeters)

       	NEW PART		WORN PART
       	DIMENSIONS		DIMENSIONS
       PART IDENT	Size	Clearance	Non-select	REJECT IF MORE THAN
       LOCATION 2286
       No. 5 Bearing Transfer Tube NO.5 BEARING OIL JET AND FILTER (72-58-02, 01-030)
       No. 5 Bearing Nozzle NO.5 BEARING OIL JET AND FILTER (72-58-02, 01-070)
       No. 5 Bearing Transfer Tube	10.008	Clear
       	10.058	0.432
       No. 5 Bearing Nozzle	10.490	0.584
       	10.592	Clear

12. SUBTASK 72-50-00-430-079-A00 Install the No. 5 Bearing Seal Spacers on to the LP Turbine Shaft (Pre SBE 72-0165)

    1. Refer to Figure.

    2. 

       CAUTION

       MAKE SURE THE LIP OF THE NO. 5 BEARING SEAL SPACER POINTS TOWARDS THE REAR.

       Install the No. 5 bearing seal spacers ENGINE-NO.5 BEARING ASSEMBLY AND SEAL (72-50-42, 20-160) and ENGINE-NO.5 BEARING ASSEMBLY AND SEAL (72-50-42, 20-120) to the rear end of the LP turbine shaft.

    3. Lightly coat the No. 5 bearing carbon seal (20-140) with CoMat 10-077 APPROVED ENGINE OILS.

    4. Install the carbon seal to the rear end of the LP turbine shaft.

    5. Install the No. 5 bearing seal spacer (20-120) to the rear end of the LP turbine shaft.

    6. Install the IAE 1F10033 Hydraulic installation pusher 1 off on the rear end of the LP turbine shaft. Attach the reaction adapter (part of the hydraulic installation pusher) to the rear thread of the LP turbine shaft.

    7. Tighten the knurled nut (part of the hydraulic installation pusher).

    8. Connect the IAE 1F10026 Hydraulic hand pump 1 off to the coupler of the pusher.

    9. Operate the hydraulic pump to move the carbon seal in to the correct position.

    10. Remove the tools as follows:

        1. Disconnect the hydraulic pump from the hydraulic installation pusher.

        2. Release the knurled nut and remove the hydraulic installation pusher.

13. SUBTASK 72-50-00-430-079-B00 Install the No. 5 Bearing Seal Spacers on to the LP Turbine Shaft (SBE 72-0165)

    1. Refer to Figure.

    2. SBE 72-0165: Replace the No. 5 bearing seal spacer with a spacer incorporating fool-proof installation features

    3. Install the No. 5 bearing seal spacer ENGINE-NO.5 BEARING ASSEMBLY AND SEAL (72-50-42, 20-160) to the rear end of the LP turbine shaft.

    4. Lightly coat the No. 5 bearing carbon seal (20-140) with CoMat 10-077 APPROVED ENGINE OILS with a lint free cloth.

    5. Install the carbon seal to the rear end of the LP turbine shaft.

    6. Install the No. 5 bearing seal spacer (20-120) to the rear end of the LP turbine shaft.

    7. Install the IAE 1F10033 Hydraulic installation pusher 1 off on the rear end of the LP turbine shaft. Attach the reaction adapter (part of the hydraulic installation pusher) to the rear thread of the LP turbine shaft.

    8. Tighten the knurled nut (part of the hydraulic installation pusher).

    9. Connect the IAE 1F10026 Hydraulic hand pump 1 off to the coupler of the pusher.

    10. Operate the hydraulic pump to move the carbon seal into the correct position.

    11. Remove the tools as follows:

        1. Disconnect the hydraulic pump from the hydraulic installation pusher.

        2. Release the knurled nut and remove the hydraulic installation pusher.

14. SUBTASK 72-50-00-430-080-A00 Install the No. 5 Bearing Inner Race (Pre SBE 72-0165)

    1. Refer to Figure.

    2. Heat the inner race of the No. 5 bearing ENGINE-NO.5 BEARING PLATE AND OIL DEFLECTOR (72-50-52, 20-060) to approximately 212 deg F (100 deg C).

    3. 

       WARNING

       USE GLOVES TO INSTALL THE HOT INNER RACE OF THE NO. 5 BEARING.

       Install the inner race of the No. 5 bearing to the LP turbine shaft.

    4. Install the IAE 1F10034 Hydraulic installation pusher 1 off on the rear end of the LP turbine shaft. Attach the reaction adapter (part of the hydraulic installation pusher) to the rear thread of the LP turbine shaft.

    5. Tighten the knurled nut (part of the hydraulic installation pusher).

    6. Connect the IAE 1F10026 Hydraulic hand pump 1 off to the coupler of the pusher.

    7. Operate the hydraulic pump to move the inner race of the No. 5 bearing in to the correct position.

    8. Remove the tools as follows:

       1. Disconnect the hydraulic pump from the hydraulic installation pusher.

       2. Release the knurled nut and remove the hydraulic installation pusher.

15. SUBTASK 72-50-00-430-080-B00 Install the No. 5 Bearing Inner Race (SBE 72-0165)

    1. Refer to Figure.

    2. SBE 72-0165: Replace the No. 5 bearing seal spacer incorporating fool-proof installation features

    3. Heat the inner race of the No. 5 bearing ENGINE-NO.5 BEARING PLATE AND OIL DEFLECTOR (72-50-52, 20-060) to approximately 212 deg F (100 deg C).

    4. 

       WARNING

       USE GLOVES TO INSTALL THE HOT INNER RACE OF THE NO. 5 BEARING.

       Install the inner race of the No. 5 bearing to the LP turbine shaft.

    5. Install the IAE 1F10034 Hydraulic installation pusher 1 off on the rear end of the LP turbine shaft. Attach the reaction adapter (part of the hydraulic installation pusher) to the rear thread of the LP turbine shaft.

    6. Tighten the knurled nut (part of the hydraulic installation pusher).

    7. Connect the IAE 1F10026 Hydraulic hand pump 1 off to the coupler of the pusher.

    8. Operate the hydraulic pump to move the inner race of the No. 5 bearing into the correct position.

    9. Remove the tools as follows:

       1. Disconnect the hydraulic pump from the hydraulic installation pusher.

       2. Release the knurled nut and remove the hydraulic installation pusher.

16. SUBTASK 72-50-00-430-081 Install the Guide Support to the LP Turbine Shaft

    1. Refer to Figure.

    2. Install the IAE 1P16377 Guide support 1 off in to the inner diameter of the LP turbine shaft. Use an applicable webbing sling.

    3. Make sure that the centering diameter of the guide support is installed correctly to the LP turbine shaft. Turn clockwise the screw at the rear end of the guide support to safety the support to the LP turbine shaft.

17. SUBTASK 72-50-00-430-082 Install the Remove/Installation Fixture to the Turbine Exhaust Case

    1. Refer to Figure.

    2. Attach hoist equipment to the upper supports of the IAE 1F10073 remove/installation fixture 1 off.

    3. Install the remove/installation fixture to the rear flange of the turbine exhaust case. Attach the fixture with the 13 screws and washers. Tighten the screws.

18. SUBTASK 72-50-00-430-083 Install the Turbine Exhaust Case to the LP Turbine Case

    1. Refer to Figure and Figure.

    2. Release the turbine exhaust case and lift it from the IAE 1F10178 Storage and Turnover adapter 1 off.

    3. Install the turbine exhaust case to the IAE 1P16377 Guide support 1 off front end down.

    4. Move the turbine exhaust case down to the rear flange of the LP turbine case. Align the dowel pins.

    5. Turn the jackscrew (part of the IAE 1F10073 remove/installation fixture) clockwise to the stop position. Safety the jackscrew in the position with the IAE 1F10076 Locking collar 1 off.

    6. 

       CAUTION

       MAKE SURE THAT THE STAGE 6 AIR SEAL, THE NO. 5 BEARING AND THE NO. 5 BEARING SEAL SPACERS ENGAGE CORRECTLY.

       Turn the jackscrew counterclockwise until the flanges of the LP turbine case and the turbine exhaust case fit correctly.

    7. 
       CAUTION
       HOLD THE BOLTS IN THEIR POSITION WHEN YOU INSTALL THE NUTS ONTO THE BOLTS. DO NOT TURN THE BOLTS OR MAKE TO-AND-FRO MOVEMENTS. THE TURBINE EXHAUST CASE/LP TURBINE CASE AND/OR THE BOLTS CAN BE DAMAGED BY SCORES.

       Install the 16 brackets and the 114 bolts and nuts which lock the turbine exhaust case to the LP turbine case.

       1. 

          CAUTION

          INCORRECT ASSEMBLY OF THE BOLT AND NUT CAN CAUSE OIL TUBE DAMAGE.

          Assemble the bolt at hole No. 75 in opposite direction to give more space between bolt end and oil tube.

    8. Torque the nuts 85 * lbfin to 95 * lbfin (9.6* Nm to 10.7 * Nm).

    9. Remove the tools from the engine as follows.

       1. Remove the locking collar and the remove/installation fixture.

       2. NOTE

          If the rear lock nut is not installed, continue with Step.

          Remove the guide support.

19. SUBTASK 72-50-00-430-084 Install the No. 5 Bearing Nozzle

    1. Refer to Figure.

    2. Install three new packings NO.5 BEARING OIL JET AND FILTER (72-58-02, 01-040) and the No. 5 bearing packing transfer tube NO.5 BEARING OIL JET AND FILTER (72-58-02, 01-030) in to the No. 5 bearing nozzle NO.5 BEARING OIL JET AND FILTER (72-58-02, 01-070).

    3. Install the two washers NO.5 BEARING OIL JET AND FILTER (72-58-02, 01-020) and the two bolts NO.5 BEARING OIL JET AND FILTER (72-58-02, 01-010) to attach the transfer tube to the bearing nozzle.

    4. Torque the bolts to 85 lbfin to 105 lbfin (9.60 Nm to 11.86 Nm).

    5. Install a new packing NO.5 BEARING OIL JET AND FILTER (72-58-02, 01-080) on to the bearing nozzle.

    6. Install the bearing nozzle in to the No. 5 bearing compartment.

    7. Attach the bearing nozzle with the two bolts NO.5 BEARING OIL JET AND FILTER (72-58-02, 01-060).

    8. Torque the bolts to 85 lbfin to 105 lbfin (9.60 Nm to 11.86 Nm).

    9. Install the nipple Turbine Exhaust Case (TEC) Assembly And Related Parts (72-50-53, 20-290) and a new packing Turbine Exhaust Case (TEC) Assembly And Related Parts (72-50-53, 20-300). Torque the nipple to 110 lbfin to 120 lbfin (12.43 Nm to 13.56 Nm).

20. SUBTASK 72-50-00-220-086 Reference Fits and Clearances of the Stage 7 Turbine Blade and the Turbine Exhaust Case at Location 3792

    1. Refer to Figure.

    2. Reference the interference at Location 3792. If required, use the data written as a note in TASK 72-50-32-200-000 (INSPECTION-000) and TASK 72-50-53-200-000 (INSPECTION-000).

       Table 23. Fits and Clearances (all dimensions are in inches)

       	NEW PART		WORN PART
       	DIMENSIONS		DIMENSIONS
       PART IDENT	Size	Clearance	Non-select	REJECT IF MORE THAN
       LOCATION 3792
       Stage 7 LP Turbine BladeLPT Stage 3, 4, 5, 6, 7 Blades (72-50-32, 01-010)
       The Turbine Exhaust Case Turbine Exhaust Case (TEC) Assembly And Related Parts (72-50-53, 21-300)
       Stage 7 LP Turbine Blade	0.0740 Minimum
       Turbine Exhaust Case	0.1770 Maximum

       Table 24. Fits and Clearances (all dimensions are in millimeters)

       	NEW PART		WORN PART
       	DIMENSIONS		DIMENSIONS
       PART IDENT	Size	Clearance	Non-select	REJECT IF MORE THAN
       LOCATION 3792
       Stage 7 LP Turbine Blade LPT Stage 3, 4, 5, 6, 7 Blades (72-50-32, 01-010)
       The Turbine Exhaust Case Turbine Exhaust Case (TEC) Assembly And Related Parts (72-50-53, 21-300)
       Stage 7 LP Turbine Blade	1.879 Minimum
       Turbine Exhaust Case	4.493 Maximum

21. SUBTASK 72-50-00-430-085 Connect the No. 5 Bearing Pressure Tube Assembly

    1. Refer to Figure.

    2. NOTE

       Prior to installation make sure no internal blockages, coke/carbon or debris exists on ID of mating parts (jets, fittings and tubes).

       Attach the loop clamp bracket Turbine Exhaust Case (TEC) Assembly And Related Parts (72-50-53, 20-020) to the external flange of the turbine exhaust case with the two bolts Turbine Exhaust Case (TEC) Assembly And Related Parts (72-50-53, 20-040) and two nuts Turbine Exhaust Case (TEC) Assembly And Related Parts (72-50-53, 20-030).

    3. Torque the nuts 85 lbfin to 105 lbfin (9.60 Nm to 11.86 Nm).

    4. Attach the No. 5 bearing pressure tube Turbine Exhaust Case (TEC) Assembly And Related Parts (72-50-53, 20-010) to the bracket. Install a nut Turbine Exhaust Case (TEC) Assembly And Related Parts (72-50-53, 20-015) and bolt Turbine Exhaust Case (TEC) Assembly And Related Parts (72-50-53, 20-017) to the clamp and support assembly Turbine Exhaust Case (TEC) Assembly And Related Parts (72-50-53, 20-016).

    5. Torque the nut 36 lbfin to 45 lbfin (4.07 Nm to 5.08 Nm).

    6. Attach the No. 5 bearing pressure tube Turbine Exhaust Case (TEC) Assembly And Related Parts (72-50-53, 20-176) to the nipple.

    7. Torque the coupling nut 200 lbfin to 225 lbfin (22.597 Nm to 25.422 Nm).

    8. Safety the nut with CoMat 02-141 LOCKWIRE.

    9. Attach the loop clamp bracket Turbine Exhaust Case (TEC) Assembly And Related Parts (72-50-53, 20-200) to the tube heat shield with two washers Turbine Exhaust Case (TEC) Assembly And Related Parts (72-50-53, 20-215), nut Turbine Exhaust Case (TEC) Assembly And Related Parts (72-50-53, 20-210) and bolt Turbine Exhaust Case (TEC) Assembly And Related Parts (72-50-53, 20-220).

    10. Torque the bolt 36 lbfin to 45 lbfin (4.07 Nm to 5.08 Nm).

    11. Attach the bracket to the inner support of the turbine exhaust case with two bolts Turbine Exhaust Case (TEC) Assembly And Related Parts (72-50-53, 20-190) and two nuts Turbine Exhaust Case (TEC) Assembly And Related Parts (72-50-53, 20-180).

    12. Torque the bolts 85 lbfin to 105 lbfin (9.60 Nm to 11.86 Nm).

        1. 

           WARNING

           BE CAREFUL WHEN YOU USE COMPRESSED AIR. PUT ON PROTECTIVE CLOTHING AND GOGGLES.

    13. Prove No. 5 pressure tube passage is clear by blowing air through from the outer case fitting and make sure it comes out of the jets in the compartment.

22. SUBTASK 72-50-00-430-086 Install the Rear Lock Nut to the LP Turbine Shaft

    1. Refer to Figure.

    2. Install the rear lock nut to the LP turbine shaft and hand-tighten the nut.

    3. Attach the IAE 1P16374 Wrench support 1 off to the inner rear flange of the turbine exhaust case.

    4. Install the IAE 1F10038 Torque wrench 1 off through the wrench support. Engage the torque wrench with the rear lock nut.

    5. Install the IAE 1F10039 Anti-torque adapter 1 off through the torque wrench. Lock the anti-torque adapter to the LP turbine shaft.

    6. Install the IAE 1F10016 Mechanical wrench 1 off to the torque wrench. Safety the anti-torque adapter to the mechanical wrench with the IAE 1F10040 Anchor wrench plate 1 off.

    7. NOTE

       The full torque value includes the self-locking torque.

       Operate the mechanical wrench and torque the rear lock nut to 4000 lbfin to 6000 lbfin (452 Nm to 678 Nm).

    8. Make a correlation mark between the IAE 1F10016 Mechanical wrench and the IAE 1F10038 Torque wrench.

    9. Put an angle of turn of five to eight degrees to the rear lock nut.

    10. Operate the mechanical wrench to release the torque until the torque value is zero.

    11. Torque the rear lock nut to 4000 lbfin to 6000 lbfin (452 Nm to 678 Nm) again.

    12. Reset correlation mark between the IAE 1F10016 Mechanical wrench and the IAE 1F10038 Torque wrench.

    13. Put an angle of turn of five to eight degrees to the rear lock nut.

    14. Do Step and Step again and check the correlation mark. The correlation mark must be within two degrees maximum on the same place.

    15. If the correlation mark is within limit, continue with Step.

    16. If the correlation mark is out of limit, delete the correlation mark and do Step to Step again until correlation mark is within limit.

    17. Apply last angle of turn of five to eight degrees to the rear lock nut.

    18. Align the slot of the rear lock nut with the slot of the LP turbine shaft rear end. The alignment of the rear lock nut must be in torque direction.

    19. If the slots do not align within the specified degree range, re-install torquing hardware, loosen nut to zero and repeat Step to Step.

    20. Remove the tools from the engine as follows:

        1. Remove the anchor wrench plate and the mechanical wrench.

        2. Disengage the lock mechanism of the anti-torque adapter and remove the adapter.

        3. Remove the torque wrench.

        4. Remove the wrench support.

    21. Safety the rear lock nut with the locking ring and the internal retaining ring.

Figure: Fits and Clearances at Interface N50/50 and N50/10

Fits and Clearances at Interface N50/50 and N50/10



Figure: Fits and Clearances of No. 5 Bearing and the Turbine Exhaust Case

Fits and Clearances of No. 5 Bearing and the Turbine Exhaust Case



Figure: Fits and Clearances at Interface N50/50 and N50/10

Fits and Clearances at Interface N50/50 and N50/10



Figure: Pre SBE 72-0165:Install the No. 5 Bearing Seal Spacers and the Inner Race of No. 5 Bearing

Sheet 1



Legend

Pre SBE 72-0165:Install the No. 5 Bearing Seal Spacers and the Inner Race of No. 5 Bearing

Sheet 1

Close

Figure: SBE 72-0165: Install the No. 5 Bearing Seal Spacers and the Inner Race of No. 5 Bearing

Sheet 2



Legend

SBE 72-0165: Install the No. 5 Bearing Seal Spacers and the Inner Race of No. 5 Bearing

Sheet 2

Close

Figure: Install the Turbine Shaft Rear Lock Nut

Install the Turbine Shaft Rear Lock Nut



Figure: Install the No. 5 Bearing Nozzle

Install the No. 5 Bearing Nozzle



Figure: Connect the No. 5 Bearing Pressure Tube Assembly

Connect the No. 5 Bearing Pressure Tube Assembly



Figure: Install the Turbine Exhaust Case

Install the Turbine Exhaust Case



Figure: Installation of the Bolts and Brackets at the Front Flange of the Turbine Exhaust Case

Sheet 1



Legend

Installation of the Bolts and Brackets at the Front Flange of the Turbine Exhaust Case

Sheet 1

Close

Figure: Installation of the Bolts and Brackets at the Front Flange of the Turbine Exhaust Case

Sheet 2



Legend

Installation of the Bolts and Brackets at the Front Flange of the Turbine Exhaust Case

Sheet 2

Close

Figure: Installation of the Bolts and Brackets at the Front Flange of the Turbine Exhaust Case

Sheet 3



Legend

Installation of the Bolts and Brackets at the Front Flange of the Turbine Exhaust Case

Sheet 3

Close