TASK 72-42-11-300-031 Diffuser Case - Repair The Thread Of The Burner Pin Boss, Repair-031 (VRS3739)

DMC:V2500-A0-72-42-1100-00A-664A-C|Issue No:001.00|Issue Date:2013-11-01

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 72-42-11-300-031 Diffuser Case - Repair The Thread Of The Burner Pin Boss, Repair-031 (VRS3739)

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

01-010

2A3132

Material of component

PART IDENT

SYMBOL

MATERIAL

Diffuser case assembly

-

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

NONE

Support Equipment

NONE

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
Nickel Alloy (Inconel 718)LOCALAMS 5663

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-42-11-320-073 Machine the Diffuser Case Boss

    1. Refer to Figure and Figure.

    2. Machine the defective boss to the dimensions given in the figures.

    2. SUBTASK 72-42-11-110-057 Clean the Diffuser Case

    1. Clean the diffuser case.

    2. Refer to the SPM TASK 70-11-03-300-503.

    3. SUBTASK 72-42-11-230-059 Examine the Repair Area

    1. Fluorescent penetrant inspect the repair area.

    2. Refer to the SPM TASK 70-23-05-230-501, high sensitivity.

    4. SUBTASK 72-42-11-220-091 Examine the Boss

    1. Refer to Figure.

    2. Do a dimensional inspection of the machined boss.

    3. Make a record of the diameter of the bore.

    5. SUBTASK 72-42-11-320-074 Make a Sleeve for the Bore

    1. Use AMS 5663 to make a sleeve to the dimensions given in Figure.

    2. Machine the diameter of the sleeve to 0.001 to 0.003 in. (0.03 to 0.08 mm) larger than the diameter you recorded.

    6. SUBTASK 72-42-11-110-058 Clean the Sleeve

    1. Clean the sleeve.

    2. Refer to the SPM TASK 70-11-03-300-503.

    7. SUBTASK 72-42-11-230-060 Examine the Sleeve

    1. Fluorescent penetrant inspect the sleeve.

    2. Refer to the SPM TASK 70-23-05-230-501, high sensitivity.

    8. SUBTASK 72-42-11-110-059 Clean the Sleeve

    1. Clean the sleeve.

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

    9. SUBTASK 72-42-11-220-092 Examine the Sleeve

    1. Do a dimensional inspection of the sleeve.

    10. SUBTASK 72-42-11-350-101 Install the Sleeve to the Bore

    1. Refer to Figure and Figure.

    2. Chill the sleeve.

    3. Install the sleeve into the machined boss.

    4. Drill two holes for the staking pins.

    5. Install the staking pins in the holes at four locations.

    6. Refer to the SPM TASK 70-42-06-400-501.

    7. Trim the pins to the ID of the sleeve before you machine the thread.

    8. Finish machine to the dimensions given in Figure.

    11. SUBTASK 72-42-11-110-060 Clean the Diffuser Case

    1. Clean the diffuser case.

    2. Refer to the SPM TASK 70-11-03-300-503.

    12. SUBTASK 72-42-11-230-061 Examine the Diffuser Case

    1. Fluorescent penetrant inspect the repaired area by one of the methods that follow:

    2. Refer to the SPM TASK 70-23-03-230-501 or SPM TASK 70-23-05-230-501, high sensitivity.

    13. SUBTASK 72-42-11-220-093 Examine the Repaired Area

    1. Refer to Figure.

    2. Do a dimensional inspection of the repaired area.

    14. Figure: Repair Details and Dimensions

    Sheet 1

    Legend
    Repair Details and Dimensions

    Sheet 1

    Close

    Figure: Repair Details and Dimensions

    Sheet 2

    Legend
    Repair Details and Dimensions

    Sheet 2

    Close

    Figure: Repair Details and Dimensions

    Sheet 3

    Legend
    Repair Details and Dimensions

    Sheet 3

    Close

    Figure: Repair Details and Dimensions

    Sheet 4

    Legend
    Repair Details and Dimensions

    Sheet 4

    Close

Requirements After Job Completion

Follow-On Conditions

NONE
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:LOCAL
Supply Number:AMS 5663
Type:sp01
Supply Short Name:
Supply Name:Nickel Alloy (Inconel 718)
Suppliers:
ManufacturerRemarks
LOCAL