TASK 72-41-34-300-016 HPC Vane Actuating Crankshaft Bearing Housings - Replace The Bearing In The Rear Housing, Repair-016 (VRS6240)

DMC:V2500-A0-72-41-3412-01A-920A-C|Issue No:004.00|Issue Date:2016-08-01

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 72-41-34-300-016 HPC Vane Actuating Crankshaft Bearing Housings - Replace The Bearing In The Rear Housing, Repair-016 (VRS6240)

Effectivity

FIG/ITEM

PART NO.

ASSEMBLY

01-760

6A3519

A

01-760

6A7372

A

01-760

6A8808

B

Material of component

PART IDENT

SYMBOL

MATERIAL

Assembly

Rear Bearing Housing

(Pre SBE 72-0564)

EAD or EAK

Jethete

A

Rear Bearing Housing

(SBE 72-0564)

MSRR6601

17-4 PH

B

Bearing

AMS 5643

16% Chrome, 45% Nickel Steel

A and B

General

This Repair must only be done when the instruction to do so is given in TASK 72-41-34 Inspection.

This repair can only be done five times. If the part is identified as VRS6240/4, it can not be repaired.

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

Price and availability:

Refer to International Aero Engines.

Related repairs

HP Compressor Front and Rear Housing Assembly - Replacement of Surface Protection, refer to TASK 72-41-34-300-033 (VRS6356).

NOTE

More equipment and materials necessary to do this repair are in the TASKs given below:

NOTE

To identify the consumable materials refer to the PCI.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Standard workshop equipmentLOCALStandard workshop equipment
Milling MachineLOCALMilling Machine
Workshop inspection equipmentLOCALWorkshop inspection equipment
Penetrant Crack Test EquipmentLOCALPenetrant crack test equipment
Chemical cleaning equipmentLOCALChemical cleaning equipment
Paint brushLOCALPaint brush
Drilling MachineLOCALDrilling Machine
DrillLOCALDrill

0.114 in. (2.9 mm) Dia.

ReamerLOCALReamer

0.118 in. (3.0 mm) Dia.

End millLOCALEnd mill

0.472 in. (12.0 mm) Dia.

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 02-099 LINT-FREE CLOTHLOCALCoMat 02-099
CoMat 03-031 STOPPING-OFF CRAYONLOCALCoMat 03-031
CoMat 03-124 FLAME SPRAY NICKEL-ALUMINUM(78 Ni-22 Al)39918CoMat 03-124
CoMat 04-014 THIXOTROPIC DRY FILM LUBRICANT0AM53CoMat 04-014
CoMat 06-073 INK, METAL MARKING88303CoMat 06-073
CoMat 07-024 AEROLAC METAL PROTECTIVE VARNISH, CLEARLOCALCoMat 07-024
CoMat 01-031 ACETONE (CH3)2COLOCALCoMat 01-031
CoMat 01-124 ISOPROPYL ALCOHOLLOCALCoMat 01-124

Spares

NameManufacturerPart Number / IdentificationQuantityRemark
Retaining RingRRN3621
PinAS206431
Bearing03-413-40E0021
BEARINGZ5H6203-413-45E0021

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-41-34-350-109 Remove the Bearing

    2. Refer to Figure and Figure.

      1. Remove the retaining ring.

      2. Use standard workshop equipment.

      1. Dress away the peening around the pin hole.

      2. Use standard workshop equipment.

      1. Push the bearing out of the housing.

      2. Use standard workshop equipment.

    1. SUBTASK 72-41-34-220-240 Visually Examine the Rear Housing Assembly

    2. Refer to Figure and Figure.

      1. Visually examine and measure the dimensions of the bearing location bore and retaining ring recess.

      2. Reject if oversize.

      1. Visually examine and measure the dimensions of the retaining ring and pin.

      2. Keep for re-use if not worn.

    1. SUBTASK 72-41-34-322-052 Machine the Scallop

    2. Refer to Figure and Figure.

      1. Clamp the rear housing assembly to the milling machine and machine the scallop.

      2. Machine at a position AE where VRS6240 has not been done before.

        Use a 0.472 in. (12.00 mm) diameter end mill, with a milling machine.

    3. Remove the rear housing assembly from the milling machine.

    1. SUBTASK 72-41-34-350-110 Remove the Burrs

      1. Remove the burrs and sharp edges from the bearing housing.

      2. Use standard workshop equipment.

      1. Clean the bearing location and the retaining ring recess to remove all unwanted material.

      2. Use a clean CoMat 02-099 LINT-FREE CLOTH and blast with air.

    1. SUBTASK 72-41-34-220-241 Examine the Repair Area

    2. Refer to Figure and Figure.

      1. Measure the dimensions of the repaired area.

      2. Use workshop inspection equipment.

    1. SUBTASK 72-41-34-230-098 Do a Crack Test

      1. Do a penetrant crack test.

      2. Refer to the SPM TASK 70-23-01-230-501.

    1. SUBTASK 72-41-34-110-071-B00 Clean the Bearing and Rear Housing Assembly

    2. Refer to Figure.

      1. Chemically clean the mating surfaces of the bearing and rear housing assembly.

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

        Use a clean CoMat 02-099 LINT-FREE CLOTH, made moist with CoMat 01-031 ACETONE (CH3)2CO, or CoMat 01-124 ISOPROPYL ALCOHOL to make the mating surfaces clean.

    1. SUBTASK 72-41-34-350-111 Install the Bearing in the Rear Housing Assembly

    2. Refer to Figure.

      1. Apply dry film lubricant to the mating faces of the bearing and front housing assembly bore.

      2. Stir fully and apply a single coat with a clean paint brush.

        Dry in the air for 10 minutes.

      1. Push the bearing fully into the rear housing assembly.

      2. Use standard workshop equipment.

    1. SUBTASK 72-41-34-323-052 Drill and Ream the Pin Hole

    2. Refer to Figure and Figure.

      1. Clamp the rear housing assembly to the drilling machine.

      2. Use a drilling machine.

      1. Drill and ream the hole for the pin.

      2. Drill at the position AE, as milled in Step.

        Use a 0.114 in. (2.9 mm) diameter drill and 0.118 in. (3.0 mm) diameter reamer.

      1. Remove the burrs from the hole.

      2. Use standard workshop equipment.

      1. Clean the hole.

      2. Use a clean CoMat 02-099 LINT-FREE CLOTH and blast with air.

    1. SUBTASK 72-41-34-350-112 Install the Pin and Safety Ring

    2. Refer to Figure and Figure.

      1. Install the pin into the new drilled hole.

      2. Use standard workshop equipment.

      1. Peen the edge of the hole at two positions.

      2. Use standard workshop equipment.

      1. Install the safety ring.

      2. Use standard workshop equipment.

    1. SUBTASK 72-41-34-380-062 Replace any Damaged Enamel

      1. Replace any damaged enamel.

      2. Refer to VRS6356, TASK 72-41-34-300-033.

    1. SUBTASK 72-41-34-350-113 Identify the Repair

    2. Refer to Figure.

      1. Make a mark VRS6240 adjacent to existing marks which are under the surface protection.

      2. Refer to the SPM TASK 70-09-00-400-501, SUBTASK 70-09-00-400-002.

        For second application of this repair, mark /1 after VRS6240.

        For third application of this repair, mark /2 after VRS6240.

        For fourth application of this repair, mark /3 after VRS6240.

        For fifth application of this repair, mark /4 after VRS6240.

        Use CoMat 06-073 INK, METAL MARKING and CoMat 07-024 AEROLAC METAL PROTECTIVE VARNISH, CLEAR aerolac metal protective varnish applied with a paint brush.

  1. 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

    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
Change Type:

Added P/N 6A8808 and Assembly A, B(90VR710E)

Change Type:

Added P/N 03-413-45E002 (90VR710E)

Change Type:

Added MSRR6601 (90VR710E)

Change Type:

Revised nomenclature (90VR710E)

Link not Found
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
Manufacturer Code:39918
Enterprise Name:SULZER METCO (US) INC, SEE SUPPLIER CODE 01FK3
Manufacturer Code:88303
Enterprise Name:PHILLIPS PROCESS CO., INC
BU Name:PHILLIPS PROCESS CO., INC
Street:20 MAGNOLIA STREET
City:ROCHESTER
State:NY
Zip Code:14608-2931
Country:USA
Phone Number:1-585-436-2310
Fax Number:1-585-436-2310
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:Z5H62
Enterprise Name:ROLLS ROYCE
BU Name:ROLLS ROYCE
Street:NA
City:NA
Country:NA
Phone Number:NA
Link not Found
Link not Found
Link not Found
Link not Found
Manufacturer Code:LOCAL
Supply Number:CoMat 01-031
Type:sp01
Supply Short Name:CoMat 01-031 ACETONE (CH3)2CO
Supply Name:CoMat 01-031 ACETONE (CH3)2CO
Specification Groups:
Doc NumberType
OMAT: 150 (RR REF)COMMERCIAL GRADE O-A-51
PMC 9008 (PW REF)COMMERCIAL GRADE O-A-51
JCR-041 (JAEC REF)COMMERCIAL GRADE O-A-51
MTH 169 (98%) (MTU REF)COMMERCIAL GRADE O-A-51
Suppliers:
ManufacturerRemarks
LOCAL
K6835
81348
K3504
U1185
24853
70657
Manufacturer Code:LOCAL
Supply Number:CoMat 01-124
Type:sp01
Supply Short Name:CoMat 01-124 ISOPROPYL ALCOHOL
Supply Name:CoMat 01-124 ISOPROPYL ALCOHOL
Specification Groups:
Doc NumberType
OMAT:1/40GPR TECHNICAL GRADE
PMC 9094GPR TECHNICAL GRADE
JCR-011GPR TECHNICAL GRADE
Suppliers:
ManufacturerRemarks
LOCAL
U1185
24853
K6835
Manufacturer Code:X222X
Supply Number:CoMat 02-099
Type:sp01
Supply Short Name:CoMat 02-099 LINT-FREE CLOTH
Supply Name:CoMat 02-099 LINT-FREE CLOTH
Specification Groups:
Doc NumberType
WHERE COMAT 02-099 IS SPECIFIED WITH NO SUFFIX, USE COMAT 02-099A OR COMAT 02-099B.
Suppliers:
ManufacturerRemarks
X222X
Manufacturer Code:LOCAL
Supply Number:CoMat 03-031
Type:sp01
Supply Short Name:CoMat 03-031 STOPPING-OFF CRAYON
Supply Name:CoMat 03-031 STOPPING-OFF CRAYON
Specification Groups:
Doc NumberType
OMAT:3/123NICROBRAZ GREEN STOP OFF PEN
JCR-242NICROBRAZ GREEN STOP OFF PEN
Suppliers:
ManufacturerRemarks
LOCAL
U0163
K6835
63585
IE306
Manufacturer Code:39918
Supply Number:CoMat 03-124
Type:sp01
Supply Short Name:CoMat 03-124 FLAME SPRAY NICKEL-ALUMINUM(78 Ni-22 Al)
Supply Name:CoMat 03-124 FLAME SPRAY NICKEL-ALUMINUM(78 Ni-22 Al)
Specification Groups:
Doc NumberType
PWA 1334METCO 405-NS
Suppliers:
ManufacturerRemarks
39918
Manufacturer Code:0AM53
Supply Number:CoMat 04-014
Type:sp01
Supply Short Name:CoMat 04-014 THIXOTROPIC DRY FILM LUBRICANT
Supply Name:CoMat 04-014 THIXOTROPIC DRY FILM LUBRICANT
Specification Groups:
Doc NumberType
DELETED
Suppliers:
ManufacturerRemarks
0AM53
Manufacturer Code:LOCAL
Supply Number:CoMat 06-073
Type:sp01
Supply Short Name:CoMat 06-073 INK, METAL MARKING
Supply Name:CoMat 06-073 INK, METAL MARKING
Suppliers:
ManufacturerRemarks
LOCAL
Manufacturer Code:X222X
Supply Number:CoMat 07-024
Type:sp01
Supply Short Name:CoMat 07-024 AEROLAC METAL PROTECTIVE VARNISH, CLEAR
Supply Name:CoMat 07-024 AEROLAC METAL PROTECTIVE VARNISH, CLEAR
Specification Groups:
Doc NumberType
DELETED. USE COMAT 07-024A
Suppliers:
ManufacturerRemarks
X222X
Manufacturer Code:LOCAL
Tool Number:Chemical cleaning equipment
Tool Name:Chemical cleaning equipment
Manufacturer Code:LOCAL
Tool Number:Drill
Tool Name:Drill
Link not Found
Manufacturer Code:LOCAL
Tool Number:End mill
Tool Name:End mill
Link not Found
Manufacturer Code:LOCAL
Tool Number:Paint brush
Tool Name:Paint brush
Manufacturer Code:LOCAL
Tool Number:Penetrant crack test equipment
Tool Name:Penetrant Crack Test Equipment
Manufacturer Code:LOCAL
Tool Number:Reamer
Tool Name:Reamer
Link not Found
Manufacturer Code:LOCAL
Tool Number:Workshop inspection equipment
Tool Name:Workshop inspection equipment