TASK 72-41-23-300-021 HPC Rear Outer Case - Replace Worn Location Pins, Repair-021 (VRS6278)

DMC:V2500-A0-72-41-2301-03A-920A-C|Issue No:003.00|Issue Date:2020-02-01

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 72-41-23-300-021 HPC Rear Outer Case - Replace Worn Location Pins, Repair-021 (VRS6278)

Effectivity

FIG/ITEM PART NO.

02-400

6A2949

02-400

6A3557

02-400

6A4154

02-400

6A5495

02-400

6A5682

02-400

6A8162

02-400

6B1427

Material of component

DESCRIPTION

SYMBOL

MATERIAL

Rear outer case

EEJ or

Corrosion Resistant Steel

EBH

PIN

QAK

Nimonic 80A

General

This Repair must only be done when the instruction to do so is given in 72-41-23 Inspection/Check.

Preliminary Requirements

Pre-Conditions

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

Support Equipment

NONE

Consumables, Materials and Expendables

NONE

Spares

NameManufacturerPart Number / IdentificationQuantityRemark
Retaining RingLOCALAS20763
PinLOCALLK54570

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-41-23-350-068 Remove The Pins

    1. Refer to Figure.

      2. Remove the worn pins.

      1. Remove the pins with a drift.

    3. Remove the sharp edges around the location holes.

      4. Clean the holes.

      1. Use a soft clean cloth and blast with air.

    2. SUBTASK 72-41-23-220-121 Examine The Holes

    1. Refer to Figure.

    2. Visually examine the pin location holes.

      3. Measure the dimensions of the pin location holes.

        1. If the diameter of the pin location holes is between 0.2359 in. - 0.2366 in. (5.992 mm - 6.010 mm).

        1. Accept.

        2. If the diameter of the pin location holes is above 0.2366 in. (6.010 mm) and up to 0.260 in. (6.60 mm).

        1. Refer to Repair, VRS9281 TASK 72-41-23-300-027 (REPAIR-027).

        3. More than 0.260 in. (6.60 mm).

        1. Reject.

    3. SUBTASK 72-41-23-350-069 Replace The Pins

    1. Refer to Figure.

      2. Fit the retaining rings, to the pins as necessary.

      1. Use AS20763 retaining ring, 02-455, 10 off and LK54570, 02-456, 10 off.

      2. Push the retaining ring over the pin until it engages in the groove.

      3. Chill and fit the pins to the rear outer case assembly. Refer to SPM TASK 70-46-04-400-501.

      1. Make sure the pins are pushed hard down.

    4. SUBTASK 72-41-23-220-122 Examine the Repair

    1. Refer to Figure and Figure.

      2. Visually examine the pin location.

      1. Make sure the end of the pin is below face AB.

    5. 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

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Updated repair procedure. (17VG023)

Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
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