Preliminary Requirements

Procedure

1. SUBTASK 72-41-20-220-180 Reference Fits and Clearances of the HP Compressor Rear Case and Vanes at Location 1102 (Pre SBE 72-0343)

   1. Refer to Figure.

   2. Reference dimensions at Location 1102. If required use the data writted as a Note in TASK 72-41-21-200-000.

      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 1102
      Stage 8 rotor path ring HPC Ring Cases And Related Parts (72-41-21, 03-600)
      Location in the stage 7 case HPC Ring Cases And Related Parts (72-41-21, 03-500)
      Stage 8 rotor path ring outer dia	22.535
      	22.543	0.018
      	22.561	0.034
      Stage 7 case rear flange bore	22.569

      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 1102
      Stage 8 rotor path ring HPC Ring Cases And Related Parts (72-41-21, 03-600)
      Location in the stage 7 case HPC Ring Cases And Related Parts (72-41-21, 03-500)
      Stage 8 rotor path ring outer dia	572.40
      	572.60	0.45
      Stage 7 case rear flange bore	573.05	0.85
      	573.25

2. SUBTASK 72-41-20-220-181-A00 Reference Fits and Clearances of the HP Compressor Rear Case and Vanes at Location 1189 (Pre SBE 72-0343)

   1. Refer to Figure.

   2. Reference dimensions at Location 1189. If required use the data written as a Note in TASK 72-41-21-200-000.

      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 1189
      Stage 8 rotor path ring HPC Ring Cases And Related Parts (72-41-21, 03-600)
      Location with the stage 7 case location dowel HPC Ring Cases And Related Parts (72-41-21, 03-525)
      Stage 8 rotor path ring location dowel hole bore	0.315
      	0.329	0.010
      Location dowel dia	0.303	0.026
      	0.305

      Table 4. 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 1189
      Stage 8 rotor path ring HPC Ring Cases And Related Parts (72-41-21, 03-600)
      Location with the stage 7 case location dowel HPC Ring Cases And Related Parts (72-41-21, 03-525)
      Stage 8 rotor path ring location dowel hole bore	8.00
      	8.36	0.25
      Location dowel dia	7.70	0.66
      	7.75

3. SUBTASK 72-41-20-220-181-B00 Reference Fits and Clearances of the HP Compressor Rear Case and Vanes at Location 1189 (SBE 72-0343)

   1. Refer to Figure.

   2. SBE 72-0343: Engine - HP Compressor ring cases - Introduction of integral HP Compressor cases and rotor paths.

   3. Reference dimensions at Location 1189. If required use the data written as a Note in TASK 72-41-21-200-000.

      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 1189
      Stage 8 rotor path case assembly HPC Ring Cases And Related Parts (72-41-21, 03-500)
      Location with the stage 8 rotor path case assembly location dowel HPC Ring Cases And Related Parts (72-41-21, 03-525)
      Stage 8 rotor path case assembly location dowel hole bore	0.315
      	0.329	0.010
      Location dowel dia	0.303	0.026
      	0.305

      Table 6. 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 1189
      Stage 8 rotor path case assembly HPC Ring Cases And Related Parts (72-41-21, 03-500)
      Location with the stage 8 rotor path case assembly location dowel HPC Ring Cases And Related Parts (72-41-21, 03-525)
      Stage 8 rotor path case assembly location dowel hole bore	8.00
      	8.36	0.25
      Location dowel dia	7.70	0.66
      	7.75

4. SUBTASK 72-41-20-220-182 Reference Fits and Clearances of the HP Compressor Rear Cases and Vanes at Location 1179 (Pre SBE 72-0343)

   1. Refer to Figure.

   2. Reference dimensions at Location 1179. If required use the data written as a Note in TASK 72-41-21-200-000.

      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 1179
      Stage 7 case HPC Ring Cases And Related Parts (72-41-21, 03-500)
      Location on the stage 8 rotor path ring HPC Ring Cases And Related Parts (72-41-21, 03-600)
      Stage 7 case inner rear bore	21.344	Intf
      	21.348	0.003
      Stage 8 rotor path ring front flange dia	21.351	0.010
      	21.354

      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 1179
      Stage 7 case HPC Ring Cases And Related Parts (72-41-21, 03-500)
      Location on the stage 8 rotor path ring HPC Ring Cases And Related Parts (72-41-21, 03-600)
      Stage 7 case inner rear bore	542.13	Intf
      	542.25	0.07
      Stage 8 rotor path ring front flange dia	542.32	0.27
      	542.40

5. SUBTASK 72-41-20-220-183-A00 Reference Fits and Clearances of the HP Compressor Rear Cases and Vanes at Location 1151 (Pre SBE 72-0343)

   1. Refer to Figure.

   2. Reference dimensions at Location 1151. If required use the data written as a Note in TASK 72-41-21-200-000.

      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 1151
      Stage 8 stator vane stop HPC Ring Cases And Related Parts (72-41-21, 03-640)
      Locations in the stage 8 case (72-41-21, 03-650)
      Stage 8 stator vane stop shank dia	0.2474
      	0.2494	0.0010
      Stage 8 case stop location bore	0.2504	0.0061
      	0.2535

      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 1151
      Stage 8 stator vane stop HPC Ring Cases And Related Parts (72-41-21,03-640)
      Locations in the stage 8 case (72-41-21, 03-650)
      Stage 8 stator vane stop shank dia	6.285
      	6.335	0.025
      Stage 8 case stop location bore	6.360	0.155
      	6.440

6. SUBTASK 72-41-20-220-183-B00 Reference Fits and Clearances of the HP Compressor Rear Cases and Vanes at Location 1151 (SBE 72-0343)

   1. Refer to Figure.

   2. SBE 72-0343: Engine - HP Compressor ring cases - Introduction of integral HP Compressor cases and rotor paths.

   3. Reference dimensions at Location 1151. If required use the data written as a Note in TASK 72-41-21-200-000.

      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 1151
      Stage 8 stator vane stop HPC Ring Cases And Related Parts (72-41-21, 03-640)
      Locations in the stage 9 rotor path case assembly HPC Ring Cases And Related Parts (72-41-21, 03-650)
      Stage 8 stator vane stop shank dia	0.2474
      	0.2494	0.0010
      Stage 9 rotor path case assembly stop location bore	0.2504	0.0061
      	0.2535

      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 1151
      Stage 8 stator vane stop HPC Ring Cases And Related Parts (72-41-21, 03-640)
      Locations in the stage 9 rotor path case assembly HPC Ring Cases And Related Parts (72-41-21, 03-650)
      Stage 8 stator vane stop shank dia	6.285
      	6.335	0.025
      Stage 9 rotor path case assembly stop location bore	6.360	0.155
      	6.440

7. SUBTASK 72-41-20-220-184 Reference Fits and Clearances of the HP Compressor Rear Cases and Vanes at Location 1125 (Pre SBE 72-0343 and SBE 72-0343)

   1. Refer to Figure.

   2. SBE 72-0343: Engine - HP Compressor ring cases - Introduction of integral HP Compressor cases and rotor paths.

   3. Reference dimensions at Location 1125. If required use the data written as a note in TASK 72-41-22-200-000 and TASK 72-41-21-200-000.

      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 1125
      Stage 8 front liner HPC Ring Cases And Related Parts (72-41-21,03-590)
      Location with the stage 8 stator vanes
      Stage 8 front liner inner width	0.0807
      	0.0878	0.0020
      Stage 8 stator vane front platform thickness	0.0755	0.0123
      	0.0787

      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 1125
      Stage 8 front liner HPC Ring Cases And Related Parts (72-41-21, 03-590)
      Location with the stage 8 stator vanes
      Stage 8 front liner inner width	2.05
      	2.23	0.05
      Stage 8 stator vane front platform thickness	1.92	0.31
      	2.00

8. SUBTASK 72-41-20-220-185 Reference Fits and Clearances of the HP Compressor Rear Cases and Vanes at Location 1127 (Pre SBE 72-0343 and SBE 72-0343)

   1. Refer to Figure.

   2. SBE 72-0343: Engine - HP Compressor ring cases - Introduction of integral HP Compressor cases and rotor paths.

   3. Reference dimensions at Location 1127. If required use the data written as a Note in TASK 72-41-22-200-000 and TASK 72-41-21-200-000.

      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 1127
      Stage 8 rear liner (72-41-21, 03-730)
      Location with the stage 8 stator vanes
      Stage 8 rear liner inner width	0.1004
      	0.1075	0.0020
      Stage 8 stator vane rear platform thickness	0.0952	0.0123
      	0.0984

      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 1127
      Stage 8 rear liner (72-41-21, 03-730)
      Location with the stage 8 stator vanes
      Stage 8 rear liner inner width	2.55
      	2.73	0.05
      Stage 8 stator vane rear platform thickness	2.42	0.31
      	2.50

9. SUBTASK 72-41-20-220-186 Reference Fits and Clearances of the HP Compressor Rear Cases and Vanes at Location 1128 (Pre SBE 72-0343 and SBE 72-0343)

   1. Refer to Figure.

   2. SBE 72-0343: Engine - HP Compressor ring cases - Introduction of integral HP Compressor cases and rotor paths.

   3. Reference dimensions at Location 1128. If required use the data written as a Note in TASKS TASK 72-41-22-200-000 and TASK 72-41-21-200-000.

      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 1128
      Stage 8 rear liner (72-41-21, 03-730)
      Axial clearance with the stage 8 stator vanes
      Stage 8 rear liner front face dimension	2.1137
      	2.1256	0.0130
      Stage 8 stator vane platform rear face dimension	2.1386	0.0288
      	2.1425

      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 1128
      Stage 8 rear liner (72-41-21, 03-730)
      Axial clearance with the stage 8 stator vanes
      Stage 8 rear liner front face dimension	53.689
      	53.989	0.331
      Stage 8 stator vane platform rear face dimensions	54.320	0.731
      	54.420

10. SUBTASK 72-41-20-220-187-A00 Reference Fits and Clearances of the HP Compressor Rear Cases and Vanes at Location 1104 (Pre SBE 72-0343)

    1. Refer to Figure.

    2. Reference dimensions at Location 1104. If required use the data written as a Note in TASK 72-41-21-200-000.

       Table 19. 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 1104
       Stage 9 rotor path ring (72-41-21, 03-750)
       Location in the stage 8 case HPC Ring Cases And Related Parts (72-41-21, 03-650)
       Stage 9 rotor path ring outer dia	22.5354
       	22.5433	0.0177
       Stage 8 case rear flange inner bore	22.5610	0.0335
       	22.5689

       Table 20. 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 1104
       Stage 9 rotor path ring (72-41-21, 03-750)
       Location in the stage 8 case HPC Ring Cases And Related Parts (72-41-21, 03-650)
       Stage 9 rotor path ring outer dia	572.400
       	572.600	0.45
       Stage 8 case rear flange inner bore	573.05	0.850
       	573.250

11. SUBTASK 72-41-20-220-187-B00 Reference Fits and Clearances of the HP Compressor Rear Cases and Vanes at Location 1150 (SBE 72-0343)

    1. Refer to Figure.

    2. Reference dimensions at Location 1150. If required use the data written as a note in TASK 72-41-21-200-000.

       Table 21. 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 1150
       Stage 9 rotor path case assembly HPC Ring Cases And Related Parts (72-41-21, 03-650)
       Location in the stage 8 rotor path case assembly HPC Ring Cases And Related Parts (72-41-21, 03-500)
       Stage 9 rotor path case assembly outer dia	22.5354
       	22.5433	0.0177
       Stage 8 rotor path case assembly rear flange inner bore	22.561	0.0335
       	22.5689

       Table 22. 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 1150
       Stage 9 rotor path case assembly HPC Ring Cases And Related Parts (72-41-21, 03-650)
       Location in the stage 8 rotor path case assembly HPC Ring Cases And Related Parts (72-41-21, 03-500)
       Stage 9 rotor path case assembly outer dia	572.400
       	572.600	0.45
       Stage 8 rotor path case assembly rear flange inner bore	573.05	0.850
       	573.250

12. SUBTASK 72-41-20-220-188-A00 Reference Fits and Clearances of the HP Compressor Rear Cases and Vanes at Location 1190 (Pre SBE 72-0343)

    1. Refer to Figure.

    2. Reference dimensions at Location 1190. If required use the data written as a Note in TASK 72-41-21-200-000.

       Table 23. 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 1190
       Stage 8 case HPC Ring Cases And Related Parts (72-41-21, 03-650)
       Location with the stage 7 case location dowel HPC Ring Cases And Related Parts (72-41-21, 03-525)
       Stage 8 case location hole bore	0.315
       	0.316	0.010
       Stage 7 case location dowel dia	0.303	0.013
       	0.305

       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 1190
       Stage 8 case HPC Ring Cases And Related Parts (72-41-21, 03-650)
       Location with the stage 7 case location dowel HPC Ring Cases And Related Parts (72-41-21, 03-525)
       Stage 8 case location hole bore	8.000
       	8.022	0.250
       Stage 7 case location dowel dia	7.700	0.322
       	7.750

13. SUBTASK 72-41-20-220-188-B00 Reference Fits and Clearances of the HP Compressor Rear Cases and Vanes at Location 1190 (SBE 72-0343)

    1. Refer to Figure.

    2. SBE 72-0343: Engine - HP Compressor ring cases - Introduction of integral HP Compressor cases and rotor paths.

    3. Reference dimensions at Location 1190. If required use the data written as a Note in TASK 72-41-21-200-000.

       Table 25. 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 1190
       Stage 9 rotor path case assembly HPC Ring Cases And Related Parts (72-41-21, 03-650)
       Location with the stage 8 rotor path case assembly location dowel (72-41-21, 03-525)
       Stage 8 rotor path case assembly location hole bore	0.315
       	0.316	0.010
       Stage 8 rotor path case assembly location dowel dia	0.303	0.013
       	0.305

       Table 26. 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 1190
       Stage 9 rotor path case assembly HPC Ring Cases And Related Parts (72-41-21, 03-650)
       Location with the stage 8 rotor path case assembly location dowel HPC Ring Cases And Related Parts (72-41-21, 03-525)
       Stage 9 rotor path case assembly location hole bore	8.000
       	8.022	0.250
       Stage 8 rotor path case assembly location dowel dia	7.700	0.322
       	7.750

14. SUBTASK 72-41-20-220-189-A00 Reference Fits and Clearances of the HP Compressor Rear Cases and Vanes at Location 1103 (Pre SBE 72-0343)

    1. Refer to Figure.

    2. Reference dimensions at Location 1103. If required use the data written as a Note in TASK 72-41-21-200-000.

       Table 27. 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 1103
       Stage 8 rotor path ring HPC Ring Cases And Related Parts (72-41-21, 03-600)
       Location with the stage 8 case (72-41-21, 03-650)
       Stage 8 rotor path ring rear flange outer dia	21.351	Intf
       	21.354	0.010
       Stage 8 case front inner bore	21.344	0.003
       	21.348

       Table 28. 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 1103
       Stage 8 rotor path ring HPC Ring Cases And Related Parts (72-41-21, 03-600)
       Location with the stage 8 case (72-41-21, 03-650)
       Stage 8 rotor path ring rear flange outer dia	542.32	Intf
       	542.40	0.27
       Stage 8 case front inner bore	542.130	0.07
       	542.25

15. SUBTASK 72-41-20-220-189-B00 Reference Fits and Clearances of the HP Compressor Rear Cases and Vanes at Location 1103 (SBE 72-0343)

    1. Refer to Figure.

    2. SBE 72-0343: Engine - HP Compressor ring cases - Introduction of integral HP Compressor cases and rotor paths.

    3. Reference dimensions at Location 1103. If required use the data written as a Note in TASK 72-41-21-200-000.

       Table 29. 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 1103
       Stage 8 rotor path case assembly HPC Ring Cases And Related Parts (72-41-21, 03-500)
       Location with the stage 9 rotor path case assembly (72-41-21, 03-650)
       Stage 8 rotor path case assembly rear flange outer dia	21.3511	Intf
       	21.3543	0.0106
       Stage 9 rotor path case assembly front inner bore	21.3437	0.0027
       	21.3484

       Table 30. 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 1103
       Stage 8 rotor path case assembly HPC Ring Cases And Related Parts (72-41-21, 03-500)
       Location with the stage 9 rotor path case assembly (72-41-21, 03-650)
       Stage 8 rotor path case assembly rear flange outer dia	542.32	Intf
       	542.40	0.27
       Stage 9 rotor path case assembly front inner bore	542.13	0.07
       	542.25

16. SUBTASK 72-41-20-220-190-A00 Reference Fits and Clearances of the HP Compressor Rear Cases and Vanes at Location 1150 (Pre SBE 72-0343)

    1. Refer to Figure.

    2. Reference dimensions at Location 1150. If required use the data written as a Note in TASK 72-41-21-200-000.

       Table 31. 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 1150
       Stage 7 case HPC Ring Cases And Related Parts (72-41-21, 03-500)
       Location with the stage 8 case HPC Ring Cases And Related Parts (72-41-21, 03-650)
       Stage 7 case rear flange inner bore	22.5610
       	22.5689	0.0177
       Stage 8 case front flange outer dia	22.5354	0.0335
       	22.5433

       Table 32. 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 1150
       Stage 7 case HPC Ring Cases And Related Parts (72-41-21, 03-500)
       Location with the stage 8 case HPC Ring Cases And Related Parts (72-41-21, 03-650)
       Stage 7 case rear flange inner bore	573.05
       	573.25	0.45
       Stage 8 case front flange outer dia	572.40	0.85
       	572.60

17. SUBTASK 72-41-20-220-190-B00 Reference Fits and Clearances of the HP Compressor Rear Cases and Vanes at Location 1150 (SBE 72-0343)

    1. Refer to Figure.

    2. SBE 72-0343: Engine - HP Compressor ring cases - Introduction of integral HP Compressor cases and rotor paths.

    3. Reference dimensions at Location 1150. If required use the data written as a Note in TASK 72-41-21-200-000.

       Table 33. 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 1150
       Stage 8 rotor path case assembly HPC Ring Cases And Related Parts (72-41-21, 03-500)
       Location with the stage 9 rotor path case assembly HPC Ring Cases And Related Parts (72-41-21, 03-650)
       Stage 8 rotor path case assembly rear flange inner bore	22.5610
       	22.5689	0.0177
       Stage 9 rotor path case assembly front flange outer dia	22.5354	0.0335
       	22.5433

       Table 34. 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 1150
       Stage 8 rotor path case assembly HPC Ring Cases And Related Parts (72-41-21, 03-500)
       Location with the stage 9 rotor path case assembly HPC Ring Cases And Related Parts (72-41-21, 03-650)
       Stage 8 rotor path case assembly rear flange inner bore	573.05
       	573.25	0.45
       Stage 9 rotor path case assembly front flange outer dia	572.40	0.85
       	572.60

18. SUBTASK 72-41-20-220-191-A00 Reference Fits and Clearances of the HP Compressor Rear Cases and Vanes at Location 1192 (Pre SBE 72-0343)

    1. Refer to Figure.

    2. Reference dimensions at Location 1192. If required use the data written as a Note in TASK 72-41-21-200-000.

       Table 35. 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 1192
       Stage 9 rotor path ring HPC Ring Cases And Related Parts (72-41-21, 03-730)
       Location with the stage 8 case location dowel HPC Ring Cases And Related Parts (72-41-21, 03-675)
       Stage 9 rotor path ring location hole bore	0.315
       	0.329	0.010
       Stage 8 case location dowel outer dia	0.303	0.026
       	0.305

       Table 36. 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 1192
       Stage 9 rotor path ring HPC Ring Cases And Related Parts (72-41-21, 03-730)
       Location with the stage 8 case location dowel HPC Ring Cases And Related Parts (72-41-21, 03-675)
       Stage 9 rotor path ring location hole bore	8.00
       	8.36	0.25
       Stage 8 case location dowel outer dia	7.70	0.66
       	7.75

19. SUBTASK 72-41-20-220-191-B00 Reference Fits and Clearances of the HP Compressor Rear Cases and Vanes at Location 1192 (SBE 72-0343)

    1. Refer to Figure.

    2. SBE 72-0343: Engine - HP Compressor ring cases - Introduction of integral HP Compressor cases and rotor paths.

    3. Reference dimensions at Location 1192. If required use the data written as a Note in TASK 72-41-21-200-000.

       Table 37. 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 1192
       Stage 9 rotor path case assembly HPC Ring Cases And Related Parts (72-41-21, 03-650)
       Location with the stage 9 rotor path case assembly location dowel HPC Ring Cases And Related Parts (72-41-21, 03-675)
       Stage 9 rotor path case assembly location hole bore	0.315
       	0.329	0.010
       Stage 9 rotor path case assembly location dowel outer dia	0.303	0.026
       	0.305

       Table 38. Fits and Clearances (all dimensions are in millimeters)

       	NEW PART DIMENSIONS		WORN PART
       			DIMENSIONS
       PART IDENT	Size	Clearance	(Non-select)	REJECT IF MORE THAN
       LOCATION 1192
       Stage 9 rotor path case assembly HPC Ring Cases And Related Parts (72-41-21, 03-730)
       Location with the stage 9 rotor path case assembly location dowel HPC Ring Cases And Related Parts (72-41-21, 03-675)
       Stage 9 rotor path case assembly location hole bore	8.00
       	8.36	0.25
       Stage 9 rotor path case assembly location dowel outer diameter	7.70	0.66
       	7.75

20. SUBTASK 72-41-20-220-192 Reference Fits and Clearances of the HP Compressor Rear Cases and Vanes at Location 1178 (Pre SBE 72-0343)

    1. Refer to Figure.

    2. Reference dimensions at Location 1178. If required use the data written as a Note in TASK 72-41-21-200-000.

       Table 39. 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 1178
       Stage 8 case HPC Ring Cases And Related Parts (72-41-21, 03-650)
       Location with the stage 9 rotor path ring HPC Ring Cases And Related Parts (72-41-21, 03-750)
       Stage 8 case rear inner bore	21.344	Intf
       	21.348	0.003
       Stage 9 rotor path ring front flange outer dia	21.351	0.01
       	21.354

       Table 40. 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 1178
       Stage 8 case HPC Ring Cases And Related Parts (72-41-21, 03-650)
       Location with the stage 9 rotor path ring HPC Ring Cases And Related Parts (72-41-21, 03-750)
       Stage 8 case rear inner bore	542.130	Intf
       	542.25	0.07
       Stage 9 rotor path ring front flange outer dia	542.32	0.27
       	542.40

21. SUBTASK 72-41-20-440-149 Install the Stage 8 Stator Vane Front and Rear Liners and the Stage 9 Stator Vane Front Liner (Pre SBE 72-0343 and SBE 72-0343)

    1. Refer to Figure and Figure.

    2. Install the new HPC Ring Cases And Related Parts (72-41-21, 03-590) stage 8 front liner1 off, in to the slot in the rear of the stage 8 rotor path ring.

       1. Put the stage 8 rotor path ring front flange down on a clean work surface.

       2. Use IAE 1R19687 Assembly tool assembly tool 1 off to install the stage 8 front liner. Make sure the liner touches the stage 8 rotor path ring rear face.

       3. Measure and write down a record of the stage 8 front liner split line clearance. The split line clearance must be 0.047 in. to 0.079 in. (1.20 mm to 2.00 mm).

    3. Install the new HPC Ring Cases And Related Parts (72-41-21, 03-730) stage 8 rear liner1 off, in to the slot in the front of the stage 9 rotor path ring HPC Ring Cases And Related Parts (72-41-21, 03-750).

       1. Put the stage 9 rotor path ring rear flange down on to a clean work surface.

       2. Use IAE 1R19688 Assembly tool 1 off to install the stage 8 rear liner. Make sure the liner touches the stage 9 rotor path ring front flange.

       3. Measure and write down a record of the stage 8 rear liner split line clearance. The split line clearance must be 0.169 in. to 0.201 in. (4.30 mm to 5.10 mm).

    4. Install the new HPC Ring Cases And Related Parts (72-41-21, 03-740) stage 9 front liner 1 off, in to the slot in the rear of the stage 9 rotor path ring.

       1. Put the stage 9 rotor path ring front flange down on to a clean work surface.

       2. Use IAE 1R19689 Assembly tool 1 off to install the stage 9 front liner. Make sure the liner touches the stage 9 rotor path ring rear flange.

       3. Measure and write down a record of the stage 9 front liner split line clearance. The split line clearance must be 0.169 in. to 0.201 in. (4.30 mm to 5.10 mm).

22. SUBTASK 72-41-20-440-150 Install the Stage 8 Rotor Path Ring (Pre SBE 72-0343)

    1. Refer to Figure.

    2. Install the heating blanket on to the stage 7 case HPC Ring Cases And Related Parts (72-41-21, 03-500) rear flange.

    3. Heat the stage 7 case to 167 deg F to 212 deg F (75 deg C to 100 deg C).

    4. Remove the heating blanket.

    5. Align the location dowel hole in the stage 8 rotor path ring HPC Ring Cases And Related Parts (72-41-21, 03-600) with the location dowel in the stage 7 case rear flange.

    6. Install the stage 8 rotor path ring on to the stage 7 case rear flange.

    7. Install eight slave bolts to attach the stage 8 rotor path ring to the stage 7 case. Install the bolts from the stage 7 case. Stage them at equal distances around the flange.

    8. Tighten the nuts in the correct sequence to pull the stage 8 rotor path ring on to the stage 7 case.

    9. Let the assembly become cool.

23. SUBTASK 72-41-20-440-151 Install the Stator Vane Stops in the Stage 8 Case (Pre SBE 72-0343)

    1. Refer to Figure.

    2. Install the stage 8 stator vane stops HPC Ring Cases And Related Parts (72-41-21, 03-640) in the stage 8 case HPC Ring Cases And Related Parts (72-41-21, 03-650).

       1. Put one of the stage 8 stator vane stops in to position in the stage 8 case.

       2. Use the IAE 1R18501 Stop alignment tool 1 off and align the stage 8 stator vane stop in the stage 8 case.

       3. Install a washer HPC Ring Cases And Related Parts (72-41-21, 03-639) and a nut HPC Ring Cases And Related Parts (72-41-21, 03-638) on to the stage 8 stator vane stop.

       4. Torque the nut to 85 lbfin to 105 lbfin (10.00 Nm to 12.00 Nm).

       5. Remove the stop aligning tool.

       6. Install the three remaining stage 8 stator vane stops as given in Step to Step.

24. SUBTASK 72-41-20-440-285 Install the Stator Vane Stops in the Stage 9 Rotor Path Case Assembly (SBE 72-0343)

    1. Refer to Figure.

       1. SBE 72-0343: Engine - HP Compressor ring cases - Introduction of integral HP Compressor cases and rotor paths.

    2. Install the stage 8 stator vane stops HPC Ring Cases And Related Parts (72-41-21, 03-640) in the stage 9 rotor path case assembly HPC Ring Cases And Related Parts (72-41-21, 03-650).

       1. Put one of the stage 8 stator vane stops into position in the stage 9 rotor path case assembly.

       2. Use the IAE 1R18501 Stop alignment tool 1 off and align the stage 8 stator vane stop in the stage 9 rotor path case assembly.

       3. Install a washer HPC Ring Cases And Related Parts (72-41-21, 03-639) and a nut HPC Ring Cases And Related Parts (72-41-21, 03-638) on to the stage 8 stator vane stop.

       4. Torque the nut to 85 lbfin to 105 lbfin (10.00 Nm to 12.00 Nm).

       5. Remove the stop aligning tool.

       6. Install the three remaining stage 8 stator vane stops as given in Step to Step.

25. SUBTASK 72-41-20-440-152 Install the Stage 8 Case (Pre SBE 72-0343)

    1. Refer to Figure.

    2. SBE 72-0343: Engine - HP Compressor ring cases - Introduction of integral HP Compressor cases and rotor paths.

    3. Remove the eight slave nuts and bolts from the stage 8 rotor path ring HPC Ring Cases And Related Parts (72-41-21, 03-600) to stage 7 case HPC Ring Cases And Related Parts (72-41-21, 03-500) flange.

    4. Put the stage 8 case HPC Ring Cases And Related Parts (72-41-21, 03-650) front flange down on to a clean work surface.

    5. Install the heating blanket on to the stage 8 case.

    6. Heat the stage 8 case to 167 deg F to 212 deg F (75 deg C to 100 deg C).

    7. Remove the heating blanket.

    8. 

       WARNING

       YOU MUST PUT ON THE CORRECT PROTECTIVE GLOVES BEFORE YOU TOUCH THE STAGE 8 CASE.

       Install the stage 8 case on to the stage 8 rotor path ring. Align the dowel hole in the stage 8 case front flange with the location dowel in the stage 8 rotor path ring.

    9. Install the eight slave nuts and bolts through the assembly joint flange. Space them at equal distances around the flange. Install the bolts from the stage 7 case rear flange.

    10. Tighten the nuts in the correct sequence to pull the stage 8 case on to the stage 8 rotor path ring. Make sure the flanges touch. Let the assembly become cool.

26. SUBTASK 72-41-20-440-153 Install the Stage 8 Stator Vanes (Pre SBE 72-0441 and SBE 72-0441)

    1. Refer to Figure, Figure and Figure.

    2. SBE 72-0441: Deletion of retaining vanes.

    3. Install the stage 8 stop vanes HPC Stator Vanes (72-41-22, 03-350).

       1. Pre SBE 72-0343: Install the four stage 8 stop vanes in to the stage 8 rotor path ring HPC Ring Cases And Related Parts (72-41-21, 03-600), at the stage 8 stator vane stops HPC Ring Cases And Related Parts (72-41-21, 03-640). Engage the vanes in the stage 8 front liner HPC Ring Cases And Related Parts (72-41-21, 03-590). Make sure the stage 8 stator vane stops are engaged in the slots in the stage 8 stop vane platforms.

       2. SBE 72-0343: Install the four stage 8 stop vanes in to the stage 8 rotor path case assembly HPC Ring Cases And Related Parts (72-41-21, 03-500), at the stage 8 stator vane stops HPC Ring Cases And Related Parts (72-41-21, 03-640). Engage the vanes in the stage 8 front liner HPC Ring Cases And Related Parts (72-41-21, 03-590). Make sure the stage 8 stator vane stops are engaged in the slots in the stage 8 stop vane platforms.

       3. Push each stage 8 stop vane forward until the vane platform touches the stage 8 front liner.

       4. Push each stage 8 stop vane in a clockwise direction until the slot in the vane platform touches the stage 8 stator vane stop.

    4. Install the stage 8 stator vanes.

       1. Install the vanes in a clockwise direction. Engage each of the vanes in the stage 8 front liner. Make sure the platform of the first vane that is installed touches the platform of the stage 8 stop vane. Push each subsequent vane clockwise as it is installed until the vane platforms touch.

       2. Push each vane forward until the vane platform touches the stage 8 front liner.

       3. Install the stage 8 stator vanes between the two stage 8 stop vanes at the 12 and 3 o'clock positions. Refer to the detail C on Figure. Use the subsequent sequence.

          1. Install one stage 8 stator vane HPC Stator Vanes (72-41-22, 03-400).

          2. Install one stage 8 stator vane HPC Stator Vanes (72-41-22, 03-448).

          3. Install one stage 8 stator vane HPC Stator Vanes (72-41-22, 03-400).

          4. Install one stage 8 undersize stator vane HPC Stator Vanes (72-41-22, 03-450).

          5. Install three stage 8 stator vanes HPC Stator Vanes (72-41-22, 03-400).

          6. Install one stage 8 stator vane HPC Stator Vanes (72-41-22, 03-448).

          7. Install one stage 8 stator vane HPC Stator Vanes (72-41-22, 03-400).

          8. Install one stage 8 undersize stator vane HPC Stator Vanes (72-41-22, 03-450).

          9. Install three stage 8 stator vanes HPC Stator Vanes (72-41-22, 03-400).

          10. Install one stage 8 stator vane HPC Stator Vanes (72-41-22, 03-448).

          11. Install three stage 8 stator vanes HPC Stator Vanes (72-41-22, 03-400).

          12. Install one stage 8 undersize stator vane HPC Stator Vanes (72-41-22, 03-450).

          13. Install one stage 8 stator vane HPC Stator Vanes (72-41-22, 03-400).

          14. Install one stage 8 stator vane HPC Stator Vanes (72-41-22, 03-448).

          15. Pre SBE 72-0441.

              Install one stage 8 stator vanes HPC Stator Vanes (72-41-22, 03-400).

          16. SBE 72-0441.

              Install two stage 8 stator vanes HPC Stator Vanes (72-41-22, 03-400).

          17. Pre SBE 72-0441.

              Install one stage 8 retaining stator vane HPC Stator Vanes (72-41-22, 03-150).

       4. Install the stage 8 stator vanes between the two stage 8 stop vanes at the 6 and 9 o'clock positions, and between the two stage 8 stop vanes at the 9 and 12 o'clock positions. Refer to the detail C on Figure. Use the sequence given in step (3).

       5. Install the stage 8 stator vanes between the two stage 8 stop vanes at the 3 and 6 o'clock positions. Refer to detail D on Figure. Use the subsequent sequence.

          1. Install two stage 8 stator vanes HPC Stator Vanes (72-41-22, 03-400).

          2. NOTE

             Make sure the borescope access hole in the stage 8 case and intrascope vanes hole are aligned.

             Install RH and LH stage 8 intrascope vanes HPC Stator Vanes (72-41-22, 03-250 and HPC Stator Vanes03-200).

          3. Install one stage 8 stator vane HPC Stator Vanes (72-41-22, 03-400).

          4. Install one stage 8 stator vane HPC Stator Vanes (72-41-22, 03-448).

          5. Install one stage 8 undersize stator vane HPC Stator Vanes (72-41-22, 03-450).

          6. Install two stage 8 stator vanes HPC Stator Vanes (72-41-22, 03-400).

          7. Install one stage 8 stator vane HPC Stator Vanes (72-41-22, 03-448).

          8. Install two stage 8 stator vanes HPC Stator Vanes (72-41-22, 03-400).

          9. Install one stage 8 undersize stator vane HPC Stator Vanes (72-41-22, 03-450).

          10. Install one stage 8 stator vane HPC Stator Vanes (72-41-22, 03-400).

          11. Install one stage 8 stator vane HPC Stator Vanes (72-41-22, 03-448).

          12. Install two stage 8 stator vanes HPC Stator Vanes (72-41-22, 03-400).

          13. Install one stage 8 undersize stator vane HPC Stator Vanes (72-41-22, 03-450).

          14. Install one stage 8 stator vane HPC Stator Vanes (72-41-22, 03-400).

          15. Install one stage 8 stator vane HPC Stator Vanes (72-41-22, 03-448).

          16. Pre SBE 72-0441.

              Install one stage 8 stator vane HPC Stator Vanes (72-41-22, 03-400).

          17. SBE 72-0441.

              Install two stage 8 stator vanes HPC Stator Vanes (72-41-22, 03-400).

          18. Pre SBE 72-0441.

              Install one stage 8 retaining stator vane HPC Stator Vanes (72-41-22, 03-150).

       6. Install IAE 1R18213 Alignment checking pin 1 off through the stage 8 case borescope hole. Make sure the alignment checking pin easily goes in to the intrascope vanes hole.

27. SUBTASK 72-41-20-440-191 Install the Stage 8 Rotor Path Case Assembly to the Stage 9 Rotor Path Case Assembly (SBE 72-0343)

    1. Refer to Figure.

    2. Put the stage 9 rotor path case assembly HPC Ring Cases And Related Parts HPC Ring Cases And Related Parts (72-41-21, 03-650) front flange down on to a clean work surface.

    3. Install the heating blanket on to the stage 9 rotor path case assembly.

    4. Heat the stage 9 rotor path case assembly to 167 deg F to 212 deg F (75 deg C to 100 deg C).

    5. Remove the heating blanket.

    6. Install the stage 9 rotor path case assembly on to the stage 8 rotor path case assembly. Engage the stage 8 stator vanes rear platform in the liner in the stage 9 rotor path case assembly. Align the dowel hole in the stage 9 rotor path case assembly front flange with the location dowel in the stage 8 rotor path case assembly.

    7. Install the eight slave nuts and bolts through the assembly joint flange. Space them at equal distances around the flange. Install the bolts from the stage 8 rotor path case assembly rear flange.

    8. Tighten the nuts in the correct sequence to pull the stage 8 rotor path case assembly on to the stage 9 rotor path case assembly. Make sure the flanges touch. Let the assembly become cool.

    9. Do a check to make sure all the stage 8 stator vanes can be moved in their location. Any vanes which cannot be moved must be renewed.

    10. Measure and write down a record of the clearance at Location 1128. The clearance must be 0.0130 in. to 0.0288 in. (0.331 mm to 0.731 mm). Refer to Figure.

28. SUBTASK 72-41-20-440-154 Install the Stage 9 Rotor Path Ring (Pre SBE 72-0343)

    1. Refer to: Figure, Figure and Figure

    2. Install the heating blanket on to the stage 8 case HPC Ring Cases And Related Parts (72-41-21, 03-650).

    3. Heat the stage 8 case to 167 deg F to 212 deg F (75 deg C to 100 deg C).

    4. Remove the heating blanket.

    5. Align the location dowel hole in the stage 9 rotor path ring HPC Ring Cases And Related Parts (72-41-21, 03-750) with the location dowel in the stage 8 case.

    6. Install the stage 9 rotor path ring on to the stage 8 case and stator vanes. Engage the stage 8 stator vanes rear platform in the liner in the stage 9 rotor path ring.

    7. Install eight slave bolts and nuts to attach the stage 9 rotor path ring to the stage 8 case. Install the bolts from the stage 9 rotor path ring. Space them at equal distances around the flange.

    8. Tighten the nuts in the correct sequence to pull the stage 9 rotor path ring on to the stage 8 case.

    9. Let the assembly become cool.

    10. Do a check to make sure all the stage 8 stator vanes can be moved in their location. Any vanes which can not be moved must be renewed.

    11. Measure and write down a record of the clearance at Location 1128. The clearance must be 0.0130 in. to 0.0288 in. (0.331 mm to 0.731 mm). Refer to Figure.

29. SUBTASK 72-41-20-440-155 Measure the Interplatform Clearances

    1. Refer to Figure.

    2. Measure and write down a record of the interplatform clearances at the stage 8 stop vanes. Measure all four clearances at the same time.

       1. At the stage 8 stator vane adjacent to a stage 8 stop vane push in a clockwise direction.

       2. Measure and write down a record of the clearance between the stop vane and the stator vane platforms, Dimension B. This must be 0.060 in. to 0.080 in. (1.65 mm to 2.05 mm).

       3. NOTE

          1. If the interplatform clearances are correct continue with SUBTASK 72-41-20-440-157.

          2. If the interplatform clearances are not correct continue with SUBTASK 72-41-20-440-156.

          Do Step and Step at the remaining three stage 8 stop vanes.

30. SUBTASK 72-41-20-440-156 Install the Stage 8 Undersize Vanesand

    NOTE

    To get the specified interplatform clearance at the four stage 8 stop vanes HPC Stator Vanes (72-41-22, 03-350), use the stage 8 undersize vanes HPC Stator Vanes (72-41-22, 03-450) or stage 8 stator vanes HPC Stator Vanes (72-41-22, 03-448) as necessary.

    A maximum of seven undersize vanes can be used between the two adjacent stop vanes. These must be set at equal distances between the stop vanes.

    1. Refer to Figure, Figure, Figure and Figure.

    2. Pre SBE 72-0343:Remove the eight slave nuts and bolts which attach the stage 9 rotor path ring HPC Ring Cases And Related Parts (72-41-21, 03-750) to the stage 8 case HPC Ring Cases And Related Parts (72-41-21, 03-650).

    3. SBE 72-0343:Remove the eight slave nuts and bolts which attach the stage 9 rotor path case assembly HPC Ring Cases And Related Parts (72-41-21, 03-650) to the stage 8 rotor path case assembly HPC Ring Cases And Related Parts (72-41-21, 03-500).

    4. Pre SBE 72-0343: Remove the stage 9 rotor path ring.

       1. Install the heating blanket around the stage 8 case.

       2. Heat the stage 8 case to 167 deg F to 212 deg F (75 deg C to 100 deg C).

       3. Remove the heating blanket.

       4. 

          WARNING

          YOU MUST PUT ON THE CORRECT PROTECTIVE GLOVES BEFORE YOU TOUCH THE STAGE 9 ROTOR PATH RING.

          Install the pins of the IAE 1R18240 Extractor 3 off in the extraction holes in the rear flange of the stage 8 case. Refer to extractor detail on C on Figure.

       5. Adjust the bolts of the extractors to engage the plates on the stage 8 case front flange.

       6. Continue to turn the bolts to remove the stage 9 rotor path ring. Equally turn the bolts by a small quantity.

    5. SBE 72-0343: Remove the stage 9 rotor path case assembly.

       1. Install the heating blanket around the stage 8 rotor path case assembly.

       2. Heat the stage 8 rotor path case assembly to 167 deg F to 212 deg F (75 deg C to 100 deg C).

       3. Remove the heating blanket.

       4. 

          WARNING

          YOU MUST PUT ON THE CORRECT PROTECTIVE GLOVES BEFORE YOU TOUCH THE STAGE 9 ROTOR PATH CASE ASSEMBLY.

          Install the pins of the IAE 1R18240 Extractor 3 off in the extraction holes in the rear flange of the stage 8 rotor path case assembly. Refer to extractor detail on C on Figure.

       5. Adjust the bolts of the extractors to engage the plates on the stage 9 rotor path case assembly front flange.

       6. Continue to turn the bolts to remove the stage 9 rotor path case assembly. Equally turn the bolts by a small quantity.

    6. 

       CAUTION

       UNDERSIZE VANES MUST NOT BE INSTALLED ADJACENT TO THE STOP VANES, THE RETAINING VANES, THE INTRASCOPE VANES OR OTHER UNDERSIZE VANES.

       

       CAUTION

       UNDERSIZE VANES MUST NOT BE INSTALLED BETWEEN THE STAGE 8 INTRASCOPE VANES HPC Stator Vanes (72-41-22, 03-200 AND HPC Stator Vanes03-250) AND THE STAGE 8 STOP VANE AT THE 6 O'CLOCK POSITION.

       Remove the stage 8 stator vanes HPC Stator Vanes (72-41-22, 03-448) and install the stage 8 vanes as necessary. One stage 8 undersize vanes will give an increase or decrease in the interplatform clearance of 0.016 in. (0.40 mm).

    7. Pre SBE 72-0343: Install the stage 9 rotor path ring as given in Step.

    8. SBE 72-0343: Install the stage 9 rotor path case assembly as given in Step.

    9. Measure and write down a record of the interplatform clearances at the stage 8 stop vanes as given in Step.

31. SUBTASK 72-41-20-440-157 Install the Stage 7 Rear Heatshield

    1. Refer to Figure.

    2. Pre SBE 72-0343: Install the 28 flange D-headed bolts HPC Assembly (72-41-00, 01-572) and nuts HPC Assembly (72-41-00, 01-570). Install the bolts from the stage 7 case HPC Ring Cases And Related Parts (72-41-21, 03-500) rear flange at the position A on Figure. Torque the nuts in the correct sequence to 36 lbfin to 45 lbfin (4.00 Nm to 5.00 Nm).

    3. SBE 72-0343: Install the 28 flange D-headed bolts HPC Assembly (72-41-00, 01-572) and nuts HPC Assembly (72-41-00, 01-570). Install the bolts from the stage 8 rotor path case assembly HPC Ring Cases And Related Parts (72-41-21, 03-500) rear flange at the position A on Figure. Torque the nuts in the correct sequence to 36 lbfin to 45 lbfin (4.00 Nm to 5.00 Nm).

    4. Install the stage 7 rear heatshield HPC Ring Cases And Related Parts (72-41-21, 03-880).

       1. Pre SBE 72-0343: Put one half of the stage 7 rear heatshield in to position on the stage 7 case. Locate the heatshield on the spacers and make sure the end plates are correctly located.

       2. SBE 72-0343: Put one half of the stage 7 rear heatshield in to position on the stage 8 rotor path case assembly. Locate the heatshield on the spacers and make sure the end plates are correctly located.

       3. Pre SBE 72-0343: Install the 10 bolts HPC Assembly (72-41-00, 01-564) to attach the stage 7 rear heatshield to the stage 7 case.

       4. SBE 72-0343: Install the 10 bolts HPC Assembly (72-41-00, 01-564) to attach the stage 7 rear heatshield to the stage 8 rotor path case assembly.

       5. Torque the bolts in the correct sequence to 36 lbfin to 45 lbfin (4.00 Nm to 5.00 Nm).

    5. Measure and write down a record of the clearance at Location 1162. This must be 0.004 in. to 0.024 in. (0.10 mm to 0.60 mm). Refer to Figure.

Figure: Pre SBE 72-0343: View Through the HP Compressor Rear Cases and Vanes

Sheet 1



Legend

Pre SBE 72-0343: View through the HP compressor rear cases and vanes

Sheet 1

Close

Figure: SBE 72-0343: View Through the HP Compressor Rear Cases and Vanes

Sheet 2



Legend

SBE 72-0343: View through the HP compressor rear cases and vanes

Sheet 2

Close

Figure: The Locations for the Fits and Clearances

Sheet 1



Legend

The Locations for the Fits and Clearances

Sheet 1

Close

Figure: Locations for the Fits and Clearances

Sheet 2



Legend

Locations for the fits and clearances

Sheet 2

Close

Figure: Install the Stage 8 Stator Vane Front and Rear Liners and the Stage 9 Stator Vane Front Liner

Sheet 1



Legend

Install the stage 8 stator vane front and rear liners and the stage 9 stator vane front liner

Sheet 1

Close

Figure: Install the Stage 8 Stator Vane Front And Rear Liners and the Stage 9 Stator Vane Liner

Sheet 2



Legend

Install the stage 8 stator vane front and rear liners and the stage 9 stator vane liner

Sheet 2

Close

Figure: Install the Stage 8 Stator Vane Stops

Install the Stage 8 Stator Vane Stops



Figure: Install the Stage 8 Stator Vanes

Sheet 1



Legend

Install the stage 8 stator vanes

Sheet 1

Close

Figure: Install the Stage 8 Stator Vanes

Sheet 2



Legend

Install the stage 8 stator vanes

Sheet 2

Close

Figure: Install the Stage 8 Stator Vanes

Sheet 3



Legend

Install the stage 8 stator vanes

Sheet 3

Close

Figure: Measure the Stator Vane Interplatform Clearances

Measure the Stator Vane Interplatform Clearances



Figure: Remove the Stage 9 Rotor Path Ring

Remove the Stage 9 Rotor Path Ring



Figure: Install the Stage 7 Rear Heatshield

Install the Stage 7 Rear Heatshield