TASK 72-45-11-300-002 HPT Stage 1 Hub - Replace The Metering Plug, Repair-002 (VRS3187) - Pre SBE 72-0430

DMC:V2500-A0-72-45-1100-00A-920A-C|Issue No:002.00|Issue Date:2018-08-01

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 72-45-11-300-002 HPT Stage 1 Hub - Replace The Metering Plug, Repair-002 (VRS3187) - Pre SBE 72-0430

Effectivity

FIG/ITEM

PART NO.

01-010

2A1121

01-010

2A2021

01-010

2A2221

01-040

2A1040

01-040

2A2181

Material of component

DESCRIPTION

IAE

SYMBOL

MATERIAL

Stage 1 turbine hub

-

Nickel alloy

General

The practices and procedures referred to in the procedure by the TASK number are in the SPM.

Price and availability - not applicable.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NONE

Consumables, Materials and Expendables

NONE

Spares

NameManufacturerPart Number / IdentificationQuantityRemark
METERING PLUG - HPT, 2ND STAGE, HUB0AM532A1040AR
PLUG - METERING, HPT, 1ST STAGE, HUB0AM532A2181AR

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-45-11-350-062 Remove All the Stage 1 HPT Hub Metering Plugs

    1. Refer to Figure.

      2. Remove and discard all of the stage 1 HPT metering plugs HPT Stage 1 Hub (72-45-11, 01-040).

      1. If the metering plugs are missing, damaged, and/or have missing or cracked tangs, inspect the No. 4 bearing rear carbon seal. Refer to TASK 72-43-20-200-002. Report all findings to IAE Technical Services.

    2. SUBTASK 72-45-11-220-090 Examine the Stage 1 Turbine Hub Metering Plug Hole

    1. Refer to Figure.

      2. Examine the hub metering plug holes for galling.

      1. Surface damage up to 0.001 in. (0.025 mm) is permitted without repair.

    3. SUBTASK 72-45-11-350-063 Install the Stage 1 HPT Hub Metering Plug

      CAUTION

      DO NOT RE-USE THE OLD METERING PLUGS. MAKE SURE YOU INSTALL ONLY NEW METERING PLUGS.

      CAUTION

      FAILURE TO CORRECTLY INSTALL STAGE 1 HPT METERING PLUGS CAN RESULT IN DAMAGE TO THE ENGINE.

    1. Refer to Figure.

      2. Install the new metering plug with your hand into inner side of Stage 1 turbine hub holes.

      1. Make sure the metering plug tangs touch the outer side of the hub.

    4. SUBTASK 72-45-11-220-091 Examine the Repair

    1. Refer to Figure.

      2. Inspect the installed metering plugs.

      1. Make sure the metering plug tangs touch the outer side of the hub hole.

      2. The metering plugs are acceptable if you cannot remove the plugs with your hand and if the plugs are free from nicks, cracks, damage, and bent or missing tangs.

    5. Figure: Repair Details and Dimensions

    Repair Details and Dimensions

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Revised the procedure to update installation instructions for metering plugs. (18VC205)

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:2A1040
Part Name:METERING PLUG - HPT, 2ND STAGE, HUB
Manufacturer Code:0AM53
Part Number:2A2181
Part Name:PLUG - METERING, HPT, 1ST STAGE, HUB
Manufacturer Code:0AM53