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 72-41-32-300-014 HP Compressor Variable Stator Vane, Stage 4 - Repair Worn/Damaged Inner And/or Outer Pivot Journal, by Metal Spray, Repair-014 (VRS6183)
Effectivity
ENGINE MARK | FIG/ITEM | PART NO. | SERVICE BULLETIN | ASSEMBLY |
|---|---|---|---|---|
V2500 A1 | 03-500 | 6A3816 | - | A |
V2500 A1 | 03-500 | 6A3880 | 70-0092 | B |
V2500 A5 | 03-500 | 6A4370 | - | B |
V2500 A5 | 03-500 | 6A5679 | 70-0726/72-0186 | C |
V2500 A1 | 03-500 | 6A8064 | 72-0422 | D |
V2500 A1 | 03-500 | 6A8069 | 72-0422 | E |
V2500 A5 | 03-500 | 6A7478 | 70-0714 | B |
V2500 A5 | 03-500 | 6A7558 | 72-0410 | F |
V2500 A5 | 03-500 | 6A8731 | 72-0560 | F |
V2500 A5 | 03-500 | 6A8837 | 72-0564 | G |
V2500 A5 | 03-500 | 6B1274 | 72-0571 | H |
V2500 A5 | 03-600 | 6A8838 | 72-0564 | J |
V2500 A5 | 03-600 | 6B1275 | 72-0571 | K |
Material of component
PART IDENT | SYMBOL | MATERIAL |
|---|---|---|
HP Compressor Stage 4 Variable Stator Vane | ECP | Corrosion Resistant Steel |
Or | ||
QMP | Heat Resisting Alloy | |
Or | ||
EYG | Heat Resisting AIIoy |
General
CAUTION
This TASK gives the procedure to repair worn or damaged inner and/or outer pivot journal on the HP Compressor Variable Stator Vane, Stage 4, by metal spray.
TASKs identified by SPM TASK are in the Standard Practices and Processes Manual.
Price and Availability
Refer to International Aero Engines.
NOTE
NOTE
NOTE
NOTE
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| Abrasive Blast Equipment | LOCAL | |||
| Chemical Cleaning Equipment | LOCAL | |||
| Dial test indicator | LOCAL | |||
| External grinding equipment | LOCAL | |||
| Lathe | LOCAL | |||
| Metal spray equipment | LOCAL | |||
| Penetrant Crack Test Equipment | LOCAL | |||
| Standard equipment | LOCAL | |||
| Vibro-engraving equipment | LOCAL | |||
| Workshop inspection equipment | LOCAL |
Consumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CoMat 02-198 ADHESIVE TAPE (MASKING METAL SPRAY) | LOCAL | CoMat 02-198 | ||
| CoMat 03-320 METAL SPRAYING POWDER,WC/Co | LOCAL | CoMat 03-320 | ||
| CoMat 03-456 METAL SPRAY POWDER WC-17CO | 39918 | CoMat 03-456 | ||
| CoMat 05-001 ABRASIVE MEDIUM, ALUMINIUM OXIDE, 20/30 GRADE | LOCAL | CoMat 05-001 | ||
| CoMat 05-002 ABRASIVE MEDIUM, ALUMINUM OXIDE | LOCAL | CoMat 05-002 | ||
| CoMat 06-063 FLUORESCENT PENETRANT (POST-EMULSIFIED MEDIUM SENSITIVITY) | X222X | CoMat 06-063 | ||
| DELETED | LOCAL | DELETED |
Spares
NONESafety Requirements
CAUTION
Procedure
The minimum worn or damaged diameter of the inner pivot and outer pivot journal that can be repaired is 0.2619 in. (6.653 mm) and 0.4595 in. (11.672 mm) respectively.
If dimensions are within the limits, continue with this repair.
If dimensions are not within the limits, reject the vane.
Examine the HP Compressor Variable Stator Vane, Stage 4, inner and/or outer pivot journal.
SUBTASK 72-41-32-220-137 Examine the HP Compressor Variable Stator Vane, Stage 4
Use a Lathe and a Dial test indicator.
Set up the HP Compressor Variable Stator Vane, Stage 4, to run true.
Remove the minimum quantity of material that is necessary to remove the damage. Make sure that all the damage is removed and the area is made smooth into the adjacent material.
Use a Lathe.
NOTE
The minimum diameter of the inner pivot journal after removal of wear and/or damage must be 0.2609 in. (6.627 mm).NOTE
The minimum diameter of the outer pivot journal after removal of wear and/or damage must be 0.4585 in. (11.646 mm).
Turn to remove damage and/or wear from the inner and/or outer pivot journal.
SUBTASK 72-41-32-325-053 Remove Damage from the HP Compressor Variable Stator Vane, Stage 4

CAUTION
DO NOT REMOVE MATERIAL FROM THE HP COMPRESSOR VARIABLE STATOR VANE, STAGE 4, INNER AND OUTER RADII.Refer to SPM TASK 70-11-03-300-503.
Chemically clean.
SUBTASK 72-41-32-110-081 Chemically Clean
Refer to SPM TASK 70-11-39-300-503, SUBTASK 70-11-39-300-001.
Swab etch the repaired area.
SUBTASK 72-41-32-110-082 Do Swab Etch
Refer to SPM TASK 70-23-01-230-501.
Cracks are not permitted.
Do a penetrant crack test on the repaired area.
SUBTASK 72-41-32-230-076 Do a crack test
Refer to SPM TASK 70-12-02-120-501.
Abrasive blast the surfaces to be repaired.
SUBTASK 72-41-32-120-055 Prepare the Surfaces for Repair

CAUTION
DO NOT TOUCH SURFACES TO BE REPAIRED AFTER THEY ARE CLEANED.
CAUTION
TOO MUCH ABRASIVE BLAST CAN CAUSE DETERIORATION OF THE PREPARED SURFACE CONDITION AND MUST BE PREVENTED.Refer to SPM TASK 70-34-01-340-501, SUBTASK 70-34-01-340-014.
Apply a layer of sufficient thickness, to get the correct dimensions after the component is machined.
Apply the metal spray to the HP Compressor Variable Stator Vane, Stage 4, inner and/or outer pivot journal.
Remove the masking tape.
SUBTASK 72-41-32-340-053 Apply the Metal Spray Coat
Refer to SPM TASK 70-34-01-340-501, SUBTASK 70-34-01-340-002.
Make sure there is a layer of sufficient thickness to get the correct dimensions after the component is machined.
Visually examine and measure the dimensions of the sprayed coating.
SUBTASK 72-41-32-340-055 Examine the HP Compressor Variable Stator Vane, Stage 4
Use an External grinding equipment and a dial test indication.
Set up the HP Compressor Variable Stator Vane, Stage 4, to run true.
Use Standard equipment.
Remove unwanted metal spray from all other surfaces to the dimensions given.
SUBTASK 72-41-32-324-054 Grind the HP Compressor Variable Stator Vane, Stage 4, Inner and/or Outer Pivot Journal
Refer to SPM TASK 70-11-03-300-503.
Chemically clean.
SUBTASK 72-41-32-110-083 Chemically Clean
For Assembly A and B, refer to Figure.
For Assembly C, refer to Figure.
For Assembly D and E, refer to Figure.
For Assembly F, refer to Figure.
For Assembly G and J, refer to Figure.
For Assembly H and K, refer to Figure.
Refer to SPM TASK 70-09-00-400-501, SUBTASK 70-09-00-400-001.
Vibro-engrave VRS6183, adjacent to the assembly number.
SUBTASK 72-41-32-350-085 Identify the Repair
NOTE
If the HP Compressor Variable Stator Vanes, Stage 4 are already identified with the Repair Scheme number "VRS6183" by vibro peen process from the previous repair application, further identification is not required.
Figure: Repair Details and Dimensions - Assembly A and B
Repair Details and Dimensions - Assembly A and B

Figure: Repair Details and Dimensions - Assembly C
Repair Details and Dimensions - Assembly C

Figure: Repair Details and Dimensions - Assembly D and E
Repair Details and Dimensions - Assembly D and E

Figure: Repair Details and Dimensions - Assembly F
Repair Details and Dimensions - Assembly F

Figure: Repair Details and Dimensions - Assembly G and J
Repair Details and Dimensions - Assembly G and J

Figure: Repair Details and Dimensions - Assembly H and K
Repair Details and Dimensions - Assembly H and K

Figure: Repair Details and Dimensions - Assembly A, B and C
Repair Details and Dimensions - Assembly A, B and C

Figure: Repair Details and Dimensions - Assembly D, E and F
Repair Details and Dimensions - Assembly D, E and F

Figure: Repair Details and Dimensions - Assembly G, H, J and K
Repair Details and Dimensions - Assembly G, H, J and K

Figure: Repair Details and Dimensions - Assembly A and B
Repair Details and Dimensions - Assembly A and B

Figure: Repair Details and Dimensions - Assembly C
Repair Details and Dimensions - Assembly C

Figure: Repair Details and Dimensions - Assembly D and E
Repair Details and Dimensions - Assembly D and E

Figure: Repair Details and Dimensions - Assembly F
Repair Details and Dimensions - Assembly F

Figure: Repair Details and Dimensions - Assembly G and J
Repair Details and Dimensions - Assembly G and J

Figure: Repair Details and Dimensions- Assembly H and K
Repair Details and Dimensions- Assembly H and K

Figure: Repair Details and Dimensions - Assembly A and E
Repair Details and Dimensions - Assembly A and E

Figure: Repair Details and Dimensions - Assembly B and D
Repair Details and Dimensions - Assembly B and D

Figure: Repair Details and Dimensions - Assembly C and F
Repair Details and Dimensions - Assembly C and F

Figure: Repair Details and Dimensions - Assembly G
Repair Details and Dimensions - Assembly G

Figure: Repair Details and Dimensions - Assembly H
Repair Details and Dimensions - Assembly H

Figure: Repair Details and Dimensions - Assembly J
Repair Details and Dimensions - Assembly J

Figure: Repair Details and Dimensions - Assembly K
Repair Details and Dimensions - Assembly K

Figure: Repair Details and Dimensions- Assembly A, B, C, D, E and F
Repair Details and Dimensions- Assembly A, B, C, D, E and F

Figure: Repair Details and Dimensions - Assembly G and H
Repair Details and Dimensions - Assembly G and H

Figure: Repair Details and Dimensions - Assembly J
Repair Details and Dimensions - Assembly J

Figure: Repair Details and Dimensions - Assembly K
Repair Details and Dimensions - Assembly K

