TASK 71-73-49-300-001 No. 4 Bearing Compartment Weep Oil Tubes - Blend Repair Surface Damage, Repair-001 (VRS1112)

DMC:V2500-A0-71-73-4900-00A-649A-C|Issue No:001.00|Issue Date:2014-05-01

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 71-73-49-300-001 No. 4 Bearing Compartment Weep Oil Tubes - Blend Repair Surface Damage, Repair-001 (VRS1112)

Effectivity

FIG./ITEM

PART NO.

01-100

5R8226

01-500

5R8083

01-500

5R8143

01-500

6A5023

01-500

6A6169

Material of components

PART IDENT

SYMBOL

MATERIAL

Tube

Corrosion and Heat Resistant Steel

General

This Repair scheme gives the procedure for blending the Tubes.

Price and availability.

Refer to IAE for any of the following:

Tools.

Engine parts.

Repair of spares.

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

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Files, rotating (Silicon carbide)LOCALFiles, rotating (Silicon carbide)
Hand held pneumatic grinderLOCALHand held pneumatic grinder

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 71-73-49-350-051 Dress to Remove Damage

      1. Dress to remove damage.

      2. Dress until all damage is removed.

      3. Maximum blend limit is 0.004 in. (0.10 mm) in depth.

    2. Blend dressed area, polish out scores.

    2. SUBTASK 71-73-49-350-052 Repair of the Distortion

      1. Repair the distortions.

      1. Flatten with Hand tools.

    3. SUBTASK 71-73-49-220-062 Examine the No.4 Bearing Oil Weep Tubes

      1. Do a visual inspection.

      1. Refer to Inspection-000 TASK 71-73-49-200-100.

    4. SUBTASK 71-73-49-230-052 Examine the No.4 Bearing Oil Weep Tubes for Cracks

      1. Do a crack test on the parts.

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

      2. Make sure there are no cracks in repaired area.

Requirements After Job Completion

Follow-On Conditions

NONE
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Link not Found
Manufacturer Code:LOCAL
Tool Number:Hand held pneumatic grinder
Tool Name:Hand held pneumatic grinder