TASK 72-42-11-300-025 Diffuser Case - Replace The Diffuser Sealing Sleeves, Repair-025 (VRS3279)

DMC:V2500-A0-72-42-1100-07A-920A-C|Issue No:002.00|Issue Date:2021-02-01

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 72-42-11-300-025 Diffuser Case - Replace The Diffuser Sealing Sleeves, Repair-025 (VRS3279)

Effectivity

FIG/ITEM PART NO.

01-010

2A0051

01-010

2A2081-01

01-010

2A2581-01

01-010

2A2883-01

01-010

2A2885-01

01-010

2A2889-01

01-010

2A2891-01

01-010

2A2896-01

01-010

2A2897-01

Material of component

Part IDENT

MATERIAL

Diffuser case assembly

PWA 1469 Inconel 718

General

Price and availability - refer to IAE

The practices and processes referred to in the procedure by the TASK numbers are in the SPM.

Preliminary Requirements

Pre-Conditions

Action/ConditionData Module/Technical Publication
Make sure that all the cleaning and inspection procedures are done before this repair.

Support Equipment

NONE

Consumables, Materials and Expendables

NONE

Spares

NameManufacturerPart Number / IdentificationQuantityRemark
SLEEVE0AM532A1014AR
SLEEVE - SEALING, DIFFUSER0AM532A3118AR

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-42-11-350-079 Remove the Diffuser Sealing Sleeve

    1. Refer to Figure.

    2. Remove the diffuser sealing sleeve at one or two locations.

    2. SUBTASK 72-42-11-220-108 Examine the Diffuser Sealing Sleeve Bore Inner Diameter

    1. Refer to Figure.

      2. Examine the dimension of Diameter B at one or two locations for roundness. If Diameter B is out of round, do the following procedures, if not, continue to Step.

      1. Machine to repair roundness by Table 1 in Figure.

      2. Clean repair area by SPM TASK 70-11-26-300-503.

      3. Do a fluorescent penetrant inspection on the Diameter B by SPM TASK 70-23-05-230-501. Use high sensitivity penetrant. No cracks are permitted.

      4. Examine the dimension of Diameter B by Figure.

      3. Choose the applicable repair procedure at one or two locations.

      1. For Diameter B that measure 0.9045 in. to 0.9125 in. (22.9743 mm to 23.1775 mm), choose a procurable sleeve, continue to Step.

      2. For Diameter B that measure 0.9125 in. to 0.9332 in. (23.1775 mm to 23.7032 mm), locally make sleeve(s) by Step.

      3. Interference fit must be 0.0005T in. - 0.0065T in. (0.0127T mm - 0.1651T mm).

    3. SUBTASK 72-42-11-350-119 Make the Sleeve(s) Locally For Diameter B

    1. Refer to Figure.

      2. Do a machine operation of the locally made sleeve(s) from AMS 5663.

      1. Diametral tight fit must be 0.0005 in. - 0.0065 in. (0.0127 mm - 0.1651 mm).

      3. Clean the locally made sleeve(s).

      1. Refer to the SPM TASK 70-11-26-300-503.

      4. Do a fluorescent penetrant inspection of the locally made sleeve(s).

      1. Refer to the SPM TASK 70-23-01-230-501 or SPM TASK 70-23-02-230-501. No cracks are permitted.

    4. SUBTASK 72-42-11-350-120 Install the Sleeve(s) in to Diameter B

    1. Refer to Figure.

    2. Chill the procured or locally made sleeve(s). Refer to the SPM TASK 70-46-04-400-501.

    3. Install the sleeves(s) into the bore(s) of the diffuser case. The spherical end must point out. Make sure that the sleeve(s) bottom out in the hole.

    5. SUBTASK 72-42-11-220-079 Examine the Repair

    1. Refer to Figure.

    2. Examine the new sleeve(s). Refer to TASK 72-42-11-200-000 (INSPECTION-000).

    6. SUBTASK 72-42-11-350-080 Identify the Repair

      1. Vibration peen VRS3279 adjacent to the part number.

      1. Refer to SPM TASK 70-09-00-400-501. Remove raised metal caused by marking.

    7. Figure: Repair Details And Dimensions

    Repair Details And Dimensions

    Repair Details And Dimensions

    Repair Details And Dimensions

    Figure: Locally Made Sleeve Requirements

    Locally Made Sleeve Requirements

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Revised the procedure in its entirety. (19VC556)

Manufacturer Code:0AM53
Enterprise Name:IAE INTERNATIONAL AERO ENGINES AG
BU Name:NULL
Building:SUITE 400
Street:628 HEBRON AVENUE
City:GLASTONBURY
State:CT
Zip Code:06033
Country:USA
Part Number:2A1014
Part Name:SLEEVE
Manufacturer Code:0AM53
Part Number:2A3118
Part Name:SLEEVE - SEALING, DIFFUSER
Manufacturer Code:0AM53