TASK 72-00-50-100-003 LPT Module - Front Lock Nut - Clean, Cleaning-003

DMC:V2500-A0-72-00-5002-00A-251A-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 72-00-50-100-003 LPT Module - Front Lock Nut - Clean, Cleaning-003

Effectivity

FIG/ITEM

PART NO.

01-140

5A0378

General

This TASK gives the procedure to clean the front lock nut. For the other LP turbine module parts, refer to TASK 72-00-50-100-000 (CLEANING-000).

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

References

Refer to the SPM for data on these items.

Cleaning Policy and Methods, SPM TASK 70-10-00-100-501

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 02-099 LINT-FREE CLOTHLOCALCoMat 02-099

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-00-50-110-054 Remove the Soft Dirt and Dust

      1. Remove the soft dirt and dust. Refer to SPM TASK 70-11-26-300-503.

      1. Use a soft bristle brush or swab.

      2. Dry.

      1. Use clean dry air blast or CoMat 02-099 LINT-FREE CLOTH.

    2. SUBTASK 72-00-50-110-055 Remove the Silver Plating

    1. CAUTION

      KEEP THE DENSITY OF HNO3 PRESCRIBED IN SPM TASK 70-33-16-100-501 TO PREVENT ATTACK ON THE PARENT METAL. IF THE ACID IS DILUTER THAN THE PRESCRIBED DENSITY, IT IS POSSIBLE THAT THE PARENT MATERIAL LOSS IS RAPIDLY PROGRESSED.

      Remove the grease. Refer to the SPM TASK 70-11-03-300-503.

      2. Hang the nut on steel hooks or iron wire. Refer to the SPM TASK 70-33-16-300-503.

      1. Follow the CAUTION in the SPM TASK.

    3. Immerse the nut in the stripping solution. Refer to SPM TASK 70-33-16-300-503.

      4. Wash.

      1. Use cold water. Use an air/water pressure gun.

      5. Dry.

      1. Use clean dry air blast.

Requirements After Job Completion

Follow-On Conditions

NONE
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
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