TASK 79-21-41-300-007 Oil Pressure Pump/Filter Housing - Related Parts - Replace The Damaged Studs In The Oil Pump Casing Assembly, Repair-007 (VRS5307)

DMC:V2500-A0-79-21-4100-00A-920A-C|Issue No:002.00|Issue Date:2015-08-01

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 79-21-41-300-007 Oil Pressure Pump/Filter Housing - Related Parts - Replace The Damaged Studs In The Oil Pump Casing Assembly, Repair-007 (VRS5307)

Effectivity

FIG/ITEM

PART NO.

01-750

4A7089

01-750

4A7099

01-750

4A7304

Material of component

DESCRIPTION

SYMBOL

MATERIAL

Oil pump casing assembly

-

AS357-T61 (AMS 4219)

Repair parts

FIG/ITEM

PART NO.

PART IDENT

QTY

01-842

MS51997E103P

Ring, locking

A/R

01-843

MS51997E104103P

Ring, locking (oversized)

A/R

01-843

RLR1997E104103

Ring (oversize)

A/R

01-844

MS51992C80313

Stud

A/R

General

Price and availability - none.

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

Tools for removal and installation may be purchased from ROSAN Inc., 2901 West Coast Highway, Newport Beach, California 92663.

NOTE

Equivalent equipment may be used.

NOTE

To identify the consumable materials refer to the PCI.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Removal toolLOCALSM101-18
WrenchLOCALR1105W
Drive ToolLOCALSF5902-3D

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 10-048 LUBRICANT0AM53CoMat 10-048

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 79-21-41-320-051 Mill the Lock Ring

    1. Refer to Figure.

      2. Install the Removal tool in the drill press chuck.

      2. Lower over the shank, and starting motor.

      3. Cut off the stud if too long for Removal tool.

      4. Keep sufficient shank length to give pilot for the Removal tool over the shank and starting motor.

      3. Start the motor and mill the lock ring to remove serration interlock.

      1. Lift the tool frequently to permit the cutting teeth to be clear from chips.

      2. It is not necessary to mill fully through the lock ring.

    2. SUBTASK 79-21-41-350-090 Remove the Stud

      1. Apply removal torque to the stud.

      1. Use Wrench.

      2. Continuous pressure of withdrawn stud should cause lock ring to be forced out from its location.

      3. Break with a punch and remove the remaining portion of lock ring if it has been milled fully through and it does not lift out with the stud.

    2. Complete the removal of the stud.

    3. SUBTASK 79-21-41-220-137 Examine the Casing Assembly Lock Ring Seat

    1. Refer to Figure.

      2. Inner diameter.

        1. More than or equal to 0.397 in. (10.024 mm).

        1. Refer to the Step.

        2. Less than in Step.

        1. Accept

    4. SUBTASK 79-21-41-320-055 Machine the Oversized Diameter of the Lock Ring Seat

    1. Refer to Figure.

      2. Machine the oversized diameter of the lock ring seat.

      1. Machine the diameter to 0.449 to 0.459 in. (11.404 to 11.659 mm).

      2. The depth must be 0.122 to 0.137 in. (3.10 to 3.48 mm).

    5. SUBTASK 79-21-41-330-078 Examine the Machined Area

      1. NOTE

        Do this subtask only if you have machnined the oversized diameter.

        Do a local fluorescent penetrant test for cracks in the machined area.

      1. Refer to SPM TASK 70-23-05-230-501.

      2. Cracks are not permitted.

    6. SUBTASK 79-21-41-330-058 Apply the Anodic Treatment to the Machine Oversized Diameter of the Lock Ring Seat

    1. Refer to Figure.

      2. Apply the anodic treatment to the machine oversized diameter of the lock ring seat.

      1. Refer to SPM TASK 70-38-02-300-503.

    7. SUBTASK 79-21-41-350-089 Install the New Stud

    1. Refer to Figure.

      2. Lubricate the coarse threaded stud end.

      3. Install the stud in the hole.

      1. Use Wrench.

      2. The depth must be 0.010 to 0.020 in. (0.254 to 0.508 mm).

      3. Stud must be perpendicular to flat surface of relevant flange within 0.014 in. (0.35 mm) each 4 in. (101.60 mm).

    8. SUBTASK 79-21-41-350-088 Install the New Lock Ring

    1. Refer to Figure.

      2. Install the new lock ring.

      1. Align the external serrations of the new lock ring with those in parent material of the housing.

      3. Install the new lock ring.

      1. Use Drive Tool. The depth must be 0.005 to 0.010 in. (0.127 to 0.254 mm).

    9. SUBTASK 79-21-41-330-055 Restore the Damaged Anodic Treatment

      1. Check the surface.

      1. Do the touch up process if the anodic treatment has been damaged by stud installation.

      2. Refer to SPM TASK 70-38-02-300-503.

    10. 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:

Revised note to remove "materials or". (PSAF 15VC314)

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:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:0AM53
Supply Number:CoMat 10-048
Type:sp01
Supply Short Name:CoMat 10-048 LUBRICANT
Supply Name:CoMat 10-048 LUBRICANT
Specification Groups:
Doc NumberType
DELETED
Suppliers:
ManufacturerRemarks
0AM53
Manufacturer Code:LOCAL
Tool Number:R1105W
Tool Name:Wrench
Manufacturer Code:LOCAL
Tool Number:SF5902-3D
Tool Name:Drive Tool
Manufacturer Code:LOCAL
Tool Number:SM101-18
Tool Name:Removal tool