Export Control
EAR Export Classification: Not subject to the EAR per 15 C.F.R. Chapter 1, Part 734.3(b)(3), except for the following Service Bulletins which are currently published as EAR Export Classification 9E991: SBE70-0992, SBE72-0483, SBE72-0580, SBE72-0588, SBE72-0640, SBE73-0209, SBE80-0024 and SBE80-0025.Copyright
© IAE International Aero Engines AG (2001, 2014 - 2021) The information contained in this document is the property of © IAE International Aero Engines AG and may not be copied or used for any purpose other than that for which it is supplied without the express written authority of © IAE International Aero Engines AG. (This does not preclude use by engine and aircraft operators for normal instructional, maintenance or overhaul purposes.).Applicability
Post SBE 72-0564 AND Post SBE 72-0571 (SELECTONE PRODUCTIONSTANDARD)
Common Information
TASK 72-41-30-040-001-C00 HPC Front Case And Vane Assembly - Disassemble The HP Compressor Upper And Lower Half Front Cases, Disassembly-001 - SBE 72-0564 And 72-0571 (SelectOne Production Standard)
General
This TASK gives the procedure to disassemble the HP compressor upper and lower half front cases, which have SBE 72-0564 and SBE 72-0571 (SelectOne Production Standard) incorporated.
Refer to TASK 72-41-00-040-001-B00 to disassemble the HP compressor assembly.
Fig/item numbers in parentheses in the procedure agree with those used in the EIPC. Only the primary Fig/item numbers are used. For the service bulletin alpha variants refer to the EIPC.
Apply the approved CoMat 10-058 PENETRATING OIL before the removal of threaded parts. Let the parts soak before removal.
Discard all rubber seal rings and cotter pins removed in this procedure.
Remove and discard the lockwire before the part is disconnected.
Refer to SPM TASK 70-09-00-400-501 for the procedure to make identification marks.
Refer to Figure for a sectional view of the HP compressor front case.
NOTE
NOTE
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| Vibration peening equipment | LOCAL | Vibration peening equipment | ||
| IAE 1R18264 Removal punch | 0AM53 | IAE 1R18264 | 1 | |
| IAE 1R18265 Removal punch | 0AM53 | IAE 1R18265 | 1 | |
| IAE 1R18266 Impact extractor | 0AM53 | IAE 1R18266 | 1 | |
| IAE 1R18270 Removal adapter | 0AM53 | IAE 1R18270 | ||
| IAE 1R18289 Bushing extractor | 0AM53 | IAE 1R18289 | 1 | |
| IAE 1R18290 Removal extractor | 0AM53 | IAE 1R18290 | 1 | |
| IAE 1R18648 Puller extractor | 0AM53 | IAE 1R18648 | 1 | |
| IAE 1R18819 Bushing extractor | 0AM53 | IAE 1R18819 | 1 | |
| IAE 1R18820 Bushing extractor | 0AM53 | IAE 1R18820 | 1 | |
| IAE 1R18821 Bushing extractor | 0AM53 | IAE 1R18821 | 1 | |
| IAE 1R18822 Bushing extractor | 0AM53 | IAE 1R18822 | 1 | |
| IAE 1R18823 Bushing extractor | 0AM53 | IAE 1R18823 | 1 |
Consumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CoMat 10-058 PENETRATING OIL | X222X | CoMat 10-058 |
Spares
NONESafety Requirements
NONEProcedure
Identify each stator vane with its position number as the vanes are removed. Use vibration peening equipment to identify the vanes. Refer to Figure for the position for identification marks.
Remove the stop vane at position 1 and the stator vanes at positions 2 to 21.
NOTE
The stop vane at position 22 is removed in Step
Remove the stop vane and stator vanes from the upper half HP compressor front case.
Remove the stop vane at position 43 and the stator vanes at positions 44 to 63.
NOTE
The stop vane at position 64 is removed in StepRemove the stator vanes at positions 65 to 84.
Remove the stop vane and stator vanes from the lower half HP compressor front case.
SUBTASK 72-41-30-040-067 Remove the Stage 6 Stator Vanes
Install IAE 1R18266 Impact extractor 1 off, on the pin.
Use IAE 1R18823 Bushing extractor 1 off to remove the four bushes at the four booses.
Install IAE 1R18266 Impact extractor 1 off on the screw.
Use IAE 1R18270 Removal adapter 1 off to remove the remaining 60 bushes.
Remove the stage 5 stator vane bushes.
NOTE
The bosses are at positions 1, 32, 33 and 64.
SUBTASK 72-41-30-040-068 Remove the Stage 5 Actuating Ring and the Stage 5 Stator Vanes
Install IAE 1R18266 Impact extractor 1 off on the pin.
Remove the 50 stage 4 stator vane bushes. Use IAE 1R18823 Bushing extractor 1 off.
SUBTASK 72-41-30-040-069 Remove the Stage 4 Actuating Ring and the Stage 4 Stator Vanes
Install IAE 1R18266 Impact extractor 1 off on the screw.
Use IAE 1R18270 Removal adapter 1 off to remove the two bushes at the two short bosses.
Install IAE 1R18266 Impact extractor 1 off on the pin.
Use IAE 1R18822 Bushing extractor 1 off to remove the remaining 30 bushes.
Remove the stage 3 stator vane bushes.
NOTE
The short bosses are at positions 8 and 9.
SUBTASK 72-41-30-040-070 Remove the Stage 3 Actuating Ring and the Stage 3 Stator Vanes
Install IAE 1R18266 Impact extractor 1 off on the screw.
Use IAE 1R18819 Bushing extractor 1 off to remove the two short spindle bushes. These are at the positions 10 and 11 on the upper half HP compressor front case.
Install IAE 1R18266 Impact extractor 1 off on the pin.
Use IAE 1R18289 Bushing extractor 1 off to remove the remaining 38 spindle bushes.
Remove the inlet guide vane spindle bushes.
SUBTASK 72-41-30-040-071 Remove the Inlet Guide Vane Actuating Ring and the Inlet Guide Vanes
SUBTASK 72-41-30-040-072 Remove the Stages 4 to 6 Rotor Path Rings
Use IAE 1R18648 Puller extractor 1 off to remove the stage 3 stator borescope blank.
Use IAE 1R18648 Puller extractor 1 off to remove the stage 3 rotor borescope blank.
SUBTASK 72-41-30-040-073 Remove the Stage 3 and 6 Borescope Blanks
Remove the two bolts which attach the support tool blank and the bracket to the upper half HPC front case. Remove the support tool blank and the bracket.
Remove the four bolts which attach the two support tool blanks and the bracket to the lower half HPC front case. Remove the two support tool blanks and the bracket.
Remove the four bolts which attach the two blanking plates to the upper and lower half HPC front case. Remove the two blanking plates.
SUBTASK 72-41-30-040-074 Remove the Support Tool Blanks and the Blanking Plates
Figure: View Through the HP Compressor Front Case
View Through the HP Compressor Front Case

Figure: Remove the Stage 6 Stator Vanes and the Stage 6 Front and Rear Liners
Sheet 1

Figure: Remove the Stage 6 Stator Vanes and the Stage 6 Front and Rear Liners
Sheet 2

Figure: Remove the Stage 6 Stator Vanes and the Stage 6 Front and Rear Liners
Sheet 3

Figure: Remove the Drive Brackets
Remove the Drive Brackets

Figure: Tools to Remove the Stator Vane Bushes
Sheet 1

Figure: Tools to Remove the Stator Vane Bushes
Sheet 2

Figure: Remove the Stage 5 Stator Vanes, Actuating Ring and Centralizing Pads
Sheet 1

Figure: Remove the Stage 5 Stator Vanes, Actuating Ring and Centralizing Pads
Sheet 2

Figure: Remove the Stage 5 Stator Vanes, Actuating Ring and Centralizing Pads
Sheet 3

Figure: Remove the Stage 4 Stator Vanes, Actuating Ring and Centralizing Pads
Sheet 1

Figure: Remove the Stage 4 Stator Vanes, Actuating Ring and Centralizing Pads
Sheet 2

Figure: Remove the Stage 4 Stator Vanes, Actuating Ring and Centralizing Pads
Sheet 3

Figure: Remove the Stage 4 Stator Vanes, Actuating Ring and Centralizing Pads
Sheet 4

Figure: Remove the Stage 3 Stator Vanes, Actuating Ring and Centralizing Pads
Sheet 1

Figure: Remove the Stage 3 Stator Vanes, Actuating Ring and Centralizing Pads
Sheet 2

Figure: Remove the Stage 3 Stator Vanes, Actuating Ring and Centralizing Pads
Sheet 3

Figure: Remove the Stage 3 Stator Vanes, Actuating Ring and Centralizing Pads
Sheet 4

Figure: Remove the Variable Inlet Guide Vanes, Actuating Ring and Centralizing Pads
Sheet 1

Figure: Remove the Variable Inlet Guide Vanes, Actuating Ring and Centralizing Pads
Sheet 2

Figure: Remove the Variable Inlet Guide Vanes, Actuating Ring and Centralizing Pads
Sheet 3

Figure: Remove the Stage 4 to 6 Rotor Path Rings
Remove the Stage 4 to 6 Rotor Path Rings

Figure: Remove the Stage 3 and 6 Borescope Blanks and the Support Tool Blanks
Sheet 1

Figure: Remove the Stage 3 and 6 Borescope Blanks and the Support Tool Blanks
Sheet 2

