TASK 72-32-54-300-002 No. 1 Bearing Nut - Blend Repair, Repair-002 (VRS1297)

DMC:V2500-A0-72-32-5403-00A-649A-C|Issue No:002.00|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 72-32-54-300-002 No. 1 Bearing Nut - Blend Repair, Repair-002 (VRS1297)

Effectivity

FIG/ITEM PART NO.

01-120

5R0370

General

This TASK gives the procedure for the blend repair of the nuts.

Material of component

RR

DESCRIPTION SYMBOL MATERIAL

Nut

EAK

12Cr-2Ni-2Mo-0.3V steel

Price and availability

Refer to IAE for these items.

Tools

Repair parts

Repair of spares

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

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Portablegrinding equipmentLOCALPortable grinding equipment

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-32-54-350-052 Dress to remove Damage

      1. Dress to remove damage.

      1. Use portable grinding equipment.

      2. Dress until all damage is removed.

      3. Refer to Fig Figure.

      4. Maximum blend depth is 0.005 in. (0.13 mm) and not more than 10 percent of the contact area.

      5. Remove burrs and pick-up from the thread.

      6. Blend dents and nicks on the surface other than locations A and B.

      7. Maximum blend depth is 0.005 in. (0.13 mm).

      2. Blend the dressed area, polish out scores.

      1. Refer to the SPM TASK 70-35-03-300-501.

    2. SUBTASK 72-32-54-220-055 Examine the Nuts

      1. Do a visual inspection.

      1. Refer to the SPM TASK 70-21-01-220-501.

    3. Figure: Locations of the No. 1 bearing nuts

    Locations of the No. 1 bearing nuts

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Corrected the SPM Task number

Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:LOCAL
Tool Number:Portable grinding equipment
Tool Name:Portablegrinding equipment