TASK 72-32-21-300-005 No. 3 Bearing Housing - Add Oversize Seal Ring Grooves - Repair-005 (VRS3007)

DMC:V2500-A0-72-32-2101-01A-647A-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 72-32-21-300-005 No. 3 Bearing Housing - Add Oversize Seal Ring Grooves - Repair-005 (VRS3007)

Effectivity

FIG/ITEM

PART NO.

01-020

2A0424

01-020

2A1208

01-020

2A2204

Material of component

PART IDENT

SYMBOL

MATERIAL

No. 3 Bearing Housing

-

Titanium alloy

General

Price and availability - Refer to IAE

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

Refer toFigure for the area to be repaired.

NOTE

To identify the consumable materials, refer to the PCI.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NONE

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 01-201 DISTILLED, DEIONIZED, DEMINERALIZED, OR REVERSE OSMOSIS (RO) WATERLOCALCoMat 01-201

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-32-21-110-057 Clean the No. 3 Bearing Housing

      1. Clean the housing.

      1. Refer to the SPM TASK 70-11-06-300-503.

    2. SUBTASK 72-32-21-320-001 Machine the No. 3 Bearing Housing Seal Ring Grooves

    1. Refer to Figure or Figure.

      NOTE

      You can do VRS3575, Repair-012 at the same time as this repair. Refer to Repair-012 for plating limits.

      2. Machine the grooves.

      1. Machine to remove the minimum amount of material possible to remove wear.

    3. SUBTASK 72-32-21-300-001 Nickel Plate the Grooves

    1. Refer to Figure or Figure.

      2. Nickel plate the grooves.

      1. Plate to a thickness of 0.0005 to 0.0015 in. (0.013 to 0.038 mm).

      2. Refer to the SPM TASK 70-33-25-300-503.

      3. No plating is permitted inside the holes.

    4. SUBTASK 72-32-21-320-002 Finish Machine the Seal Ring Grooves

    1. Refer to Figure, Figure or Figure.

      2. Finish machining the seal ring grooves.

      1. Achieve the dimensions shown for plus 10 rings, plus 20 rings or plus 30 rings.

    5. SUBTASK 72-32-21-210-001 Examine the Repair

    1. Refer to Figure or Figure.

    2. Examine the housing and grooves after plating and finish machining.

      NOTE

      You can plate to size.
      If necessary, lightly blend to remove loose or flaking nickel plate in the repair areas as shown in the figures.

    6. SUBTASK 72-32-21-350-001 Identify the Repair

      1. Make a mark of the oversize number of the seal ring adjacent to the part number.

      1. An example of an oversize number is P5, P10, P15 or P20. Make a mark on the same surface as the part number, near the current part number. Make a permanent mark by the procedure in the SPM TASK 70-09-00-400-501. Use the vibration peen method.

    7. Figure: Repair Details and Dimensions

    Repair Details and Dimensions

    Figure: Repair Details and Dimensions

    Repair Details and Dimensions

    Figure: Repair Details and Dimensions

    Repair Details and Dimensions

Requirements After Job Completion

Follow-On Conditions

NONE
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:LOCAL
Supply Number:CoMat 01-201
Type:sp01
Supply Short Name:CoMat 01-201 DISTILLED, DEIONIZED, DEMINERALIZED, OR REVERSE OSMOSIS (RO) WATER
Supply Name:CoMat 01-201 DISTILLED, DEIONIZED, DEMINERALIZED, OR REVERSE OSMOSIS (RO) WATER
Specification Groups:
Doc NumberType
DISTILLED, DEIONIZED, DEMINERALIZED, OR REVERSE OSMOSIS (RO) WATERTHAT HAS 50,000 ohm‐cm MINIMUM ELECTRICAL RESISTIVITY OR 20 microsiemens/cm MAXIMUM ELECTRICAL CONDUCTIVITY, AND pH 5.0- 8.0.
Suppliers:
ManufacturerRemarks
LOCAL
06637