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
All
Common Information
TASK 72-41-31-300-021 HPC Front Cases - Repair The Surface Protection, Repair-021 (VRS6501)
Effectivity
FIG/ITEM | PART NO. | |
|---|---|---|
01-400 | 6A5470 | Assembly A |
01-400 | 6A4439 | Assembly B |
01-400 | 6A3462 | Assembly C |
01-400 | 6A3675 | Assembly C |
Material of component
PART IDENT | SYMBOL | MATERIAL |
|---|---|---|
HP Compressor Front Case Assembly | TEG | 6 percent Aluminum 4 percent Vanadium |
General
This repair must only be done when the instruction to do so is given 72-41-31 Inspection/Check.
The practices and processes referred to in the procedure by the TASK/SUBTASK numbers are in the SPM.
Price and availability
Refer to International Aero Engines
Related repairs - none
NOTE
NOTE
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| Chemical cleaning equipment | LOCAL | Chemical cleaning equipment | ||
| Penetrant Crack Test Equipment | LOCAL | Penetrant crack test equipment | ||
| Abrasive Blast Equipment | LOCAL | Abrasive Blast Equipment | ||
| Spray gun | LOCAL | Spray gun | ||
| Oven | LOCAL | Oven | ||
| Vibrating Marking Pencil | LOCAL | Vibrating Marking Pencil |
Consumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CoMat 02-001 ADHESIVE TAPE (MASKING) | LOCAL | CoMat 02-001 | ||
| CoMat 02-002 ADHESIVE TAPE GENERALPURPOSE PAPER | LOCAL | CoMat 02-002 | ||
| CoMat 02-005 ADHESIVE TAPE (MASKING) | LOCAL | CoMat 02-005 | ||
| CoMat 02-019 TAPE, ADHESIVE PAPER HEAT RESISTING MASKING | 76381 | CoMat 02-019 | ||
| CoMat 05-003 ABRASIVE MEDIUM ALUMINUM OXIDE, 120/220 GRADE | X222X | CoMat 05-003 | ||
| CoMat 07-009 THINNER | K3504 | CoMat 07-009 | ||
| CoMat 10-004 DRY FILM LUBRICANT | LOCAL | CoMat 10-004 |
Spares
NONESafety Requirements
NONEProcedure
Refer to TASK 72-41-31-200-000 (INSPECTION).
Use penetrant crack test equipment.
Cracks are not permitted.
Do a penetrant crack test.
SUBTASK 72-41-31-230-085 Do a Crack Test
Refer to the SPM TASK 70-38-03-380-501 SUBTASK 70-38-03-120-001.
Use CoMat 05-003 ABRASIVE MEDIUM ALUMINUM OXIDE, 120/220 GRADE, with abrasive blast equipment.
Abrasive blast the surfaces specified BA.
Refer to the SPM TASK 70-38-03-380-501, SUBTASK 70-38-03-120-001.
Clean the abrasive medium from the component.
SUBTASK 72-41-31-120-061-A00 Prepare the Surfaces for Repair, Assembly A
Refer to the SPM TASK 70-38-03-380-501 SUBTASK 70-38-03-120-001.
Use CoMat 05-003 ABRASIVE MEDIUM ALUMINUM OXIDE, 120/220 GRADE with abrasive blast equipment.
Abrasive blast the surfaces specified BA.
Refer to the SPM TASK 70-38-03-380-501, SUBTASK 70-38-03-120-001.
Clean the abrasive medium from the component.
SUBTASK 72-41-31-120-061-B00 Prepare the Surfaces for Repair, Assembly B
Refer to the SPM TASK 70-38-03-380-501 SUBTASK 70-38-03-120-001.
Use CoMat 05-003 ABRASIVE MEDIUM ALUMINUM OXIDE, 120/220 GRADE with abrasive blast equipment.
Abrasive blast the surfaces specified BA.
Refer to the SPM TASK 70-38-03-380-501, SUBTASK 70-38-03-120-001.
Clean the abrasive medium from the component.
SUBTASK 72-41-31-120-061-C00 Prepare the Surfaces for Repair, Assembly C
Refer to the SPM TASK 70-38-03-380-501, SUBTASK 70-38-03-380-004.
Use a spray gun and spray three coats of dry film lubricant, to give a thickness of 0.00098 to 0.0020 in. (0.025 to 0.051 mm) maximum.
Apply the dry film lubricant, to the areas specified BA.
SUBTASK 72-41-31-380-051-A00 Apply the Dry Film Lubricant to the HP Compressor Front Case Assembly, Assembly A
Refer to the SPM TASK 70-38-03-380-501, SUBTASK 70-38-03-380-004.
Use a spray gun and spray three coats of dry film lubricant, to give a thickness of 0.00098 to 0.0020 in. (0.025 to 0.051 mm) maximum.
Apply the dry film lubricant, to the areas specified BA.
SUBTASK 72-41-31-380-051-B00 Apply the Dry Film Lubricant to the HP Compressor Front Case Assembly, Assembly B
Refer to the SPM TASK 70-38-03-380-501, SUBTASK 70-38-03-380-004.
Use a spray gun and spray three coats of dry film lubricant, to give a thickness of 0.00098 to 0.0020 in. (0.025 to 0.051 mm) maximum.
Apply the dry film lubricant, to the areas specified BA.
SUBTASK 72-41-31-380-051-C00 Apply the Dry Film Lubricant to the HP Compressor Front Case Assembly, Assembly C
Refer to the SPM TASK 70-38-03-380-501, SUBTASK 70-38-03-220-001, for inspection standards.
Make sure you have a thickness of 0.00098 to 0.0020 in. (0.025 to 0.051 mm) maximum.
Visually examine the dry film lubricant.
SUBTASK 72-41-31-220-208-A00 Examine the Dry Film Lubricant, Assembly A
Make sure you have a thickness of 0.00098 to 0.0020 in. (0.025 to 0.051 mm) maximum.
Refer to SPM TASK 70-38-03-380-501, SUBTASK 70-38-03-220-001, for inspection standards.
Visually examine the dry film lubricant.
SUBTASK 72-41-31-200-208-B00 Examine the Dry Film Lubricant, Assembly B
Make sure you have a thickness of 0.00098 to 0.0020 in. (0.025 to 0.051 mm) maximum.
Refer to SPM TASK 70-38-03-380-501, SUBTASK 70-38-03-220-001, for inspection standards.
Visually examine the dry film lubricant.
SUBTASK 72-41-31-200-208-C00 Examine the Dry Film Lubricant, Assembly C
Use vibro-engraving equipment.
Refer to SPM TASK 70-09-00-400-501, SUBTASK 70-09-00-400-001.
Make a mark VRS6501 adjacent to the part number.
SUBTASK 72-41-31-350-085 Identify the Repair
Figure: Repair details and dimensions - Assembly A
Repair details and dimensions - Assembly A

Figure: Repair details and dimensions - Assembly B
Repair details and dimensions - Assembly B

Figure: Repair details and dimensions - Assembly C
Repair details and dimensions - Assembly C

Figure: Repair details and dimensions - Assembly A and Assembly B
Repair details and dimensions - Assembly A and Assembly B

Figure: Repair details and dimensions - Assembly A and Assembly B
Repair details and dimensions - Assembly A and Assembly B

Figure: Repair details and dimensions - Assembly C
Repair details and dimensions - Assembly C

Figure: Repair details and dimensions - Assembly C
Repair details and dimensions - Assembly C

Figure: Repair details and dimensions - Assembly and Assembly B
Repair details and dimensions - Assembly and Assembly B

Figure: Repair details and dimensions - Assembly A and Assembly B
Repair details and dimensions - Assembly A and Assembly B

Figure: Repair details and dimensions - Assembly C
Repair details and dimensions - Assembly C

Figure: Repair details and dimensions - Assembly C
Repair details and dimensions - Assembly C

Figure: Repair details and dimensions - Assembly A
Repair details and dimensions - Assembly A

Figure: Repair details and dimensions - Assembly A
Repair details and dimensions - Assembly A

Figure: Repair details and dimensions - Assembly B and Assembly C
Repair details and dimensions - Assembly B and Assembly C

Figure: Repair details and dimensions - Assembly B and Assembly C
Repair details and dimensions - Assembly B and Assembly C

Figure: Repair details and dimensions - Assembly A and Assembly B
Repair details and dimensions - Assembly A and Assembly B

Figure: Repair details and dimensions - Assembly A and Assembly B
Repair details and dimensions - Assembly A and Assembly B

Figure: Repair details and dimensions - Assembly C
Repair details and dimensions - Assembly C

Figure: Repair details and dimensions - Assembly C
Repair details and dimensions - Assembly C

Figure: Repair details and dimensions - Assembly A
Repair details and dimensions - Assembly A

Figure: Repair details and dimensions - Assembly A
Repair details and dimensions - Assembly A

Figure: Repair details and dimensions - Assembly C
Repair details and dimensions - Assembly C

Figure: Repair details and dimensions - Assembly C
Repair details and dimensions - Assembly C

Figure: Repair details and dimensions - Assembly C
Repair details and dimensions - Assembly C

Figure: Repair details and dimensions - Assembly C
Repair details and dimensions - Assembly C

Figure: Repair details and dimensions - Assembly C
Repair details and dimensions - Assembly C

Figure: Repair details and dimensions - Assembly C
Repair details and dimensions - Assembly C

