TASK 72-32-16-300-008 Gearbox Driven Gearshaft Round Nut - Re-Apply Silver Plate, Repair-008 (VRS1202)

DMC:V2500-A0-72-32-1622-00A-609A-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 72-32-16-300-008 Gearbox Driven Gearshaft Round Nut - Re-Apply Silver Plate, Repair-008 (VRS1202)

Effectivity

FIG/ITEM

PART NO.

01-320

5A0740

01-520

5A0741

Material of component

IAE

DESCRIPTION

SYMBOL

MATERIAL

Round plain nut

-

Non-corrosion resistant steel

General

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

Price and availability - none

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Silver plating equipmentLOCALSilver plating equipment

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-32-16-110-060 Clean the Round Plain Nut

      1. Remove the soft dirt and dust.

      1. Refer to the SPM TASK 70-11-14-300-503.

    2. SUBTASK 72-32-16-330-051 Remove the Old Silver Plating

      1. Remove the old silver plating.

      1. Refer to TASK 72-32-16-100-000 (CLEANING-000).

    3. SUBTASK 72-32-16-370-051 Stress Relieve the Round Plain Nut

      1. Heat treat the part for one hour at 374 to 410 deg F (190 to 210 deg C).

      1. Refer to the SPM TASK 70-33-16-300-503.

    4. SUBTASK 72-32-16-110-061 Prepare the Round Plain Nut for Plating

      1. Wire-up and vapor degrease the part to prepare for plating.

      1. Refer to the SPM TASK 70-33-16-300-503.

    5. SUBTASK 72-32-16-380-051 Clean and Etch the Round Plain Nut before Plating

      1. Clean, etch and wash the part.

      1. Refer to the SPM TASK 70-33-16-300-503.

    6. SUBTASK 72-32-16-330-052 Nickel Strike the Round Plain Nut

      1. Immediately after etching, nickel strike the part.

      1. Refer to the SPM TASK 70-33-05-300-503.

      2. Wash the part.

      1. Refer to the SPM TASK 70-33-05-300-503.

    7. SUBTASK 72-32-16-330-053 Silver Strike and Plate all the Surfaces of the Round Plain Nut

      1. Silver strike the part.

      1. Refer to the SPM TASK 70-33-16-300-503.

      2. Silver plate the part for sufficient time to achieve the plating thickness 0.00008 to 0.0003 in. (0.002 to 0.008 mm).

      1. Refer to the SPM TASK 70-33-16-300-503.

      2. Use silver plating equipment.

    8. SUBTASK 72-32-16-370-052 De-embrittle the Round Plain Nut

      1. Do a de-embrittlement treatment as soon as possible after plating.

      1. Refer to the SPM TASK 70-33-16-300-503.

    9. SUBTASK 72-32-16-220-089 Examine the Round Plain Nut

      1. Visually examine the part.

      1. Refer to the SPM TASK 70-33-16-300-503.

      2. Refer to TASK 72-32-16-200-000 (INSPECTION/CHECK-000).

Requirements After Job Completion

Follow-On Conditions

NONE
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:LOCAL
Tool Number:Silver plating equipment
Tool Name:Silver plating equipment