TASK 75-24-49-300-020 LPT ACC Support Assemblies - Replace the Half Loop Clamps, Blind Rivets, or Self Locking Nuts, Repair-020 (VRS4365)

DMC:V2500-A0-75-24-4915-03A-920A-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 75-24-49-300-020 LPT ACC Support Assemblies - Replace the Half Loop Clamps, Blind Rivets, or Self Locking Nuts, Repair-020 (VRS4365)

Effectivity

FIG/ITEM

PART NO.

02-490

3A2350

02-720

3A2355

03-490

3A2365

03-720

3A2362

04-010

3A2337

04-410

3A2358

Material of component

PART IDENT

SYMBOL

MATERIAL

Support assemblies

1.4544.9/1.4546.9

General

Price and availability - none.

This TASK describes the repair of the support assemblies with subsequent separated items as follows:

Replacement of the self locking nuts, refer to Step and to Step

Replacement of the build rivets, refer to Step and to Step

Replacement of the half loop clamp assemblies refer to Step and to Step.

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

NOTE

For more equipment and materials necessary to do this repair, refer to SPM TASK 70-23-05-230-501 and SPM TASK 70-39-03-390-501.
Equivalent equipment may be used.

NOTE

For repair of the support assemblies use the quantity of repair parts as necessary.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Illuminated comparator magnifierLOCALIlluminated comparator magnifier

Consumables, Materials and Expendables

NONE

Spares

NameManufacturerPart Number / IdentificationQuantityRemark
RIVET - BLIND77445ST1300-142
NUT, SELF LOCKING, ASSEMBLY OF - .190 DIA0AM534W004310
CLAMP0AM533A23431
CLAMP0AM533A23491

Safety Requirements

NONE

Procedure

    1. SUBTASK 75-24-49-350-091 Remove the Damaged Self Locking Nuts

      1. Remove the damaged self locking nuts.

      1. Refer to Figure.

    2. SUBTASK 75-24-49-350-092 Remove the Damaged Blind Rivets

      1. Drill off the ST1300-14 RIVET - BLIND heads.

      1. Refer to Figure.

      2. Do not damage the support assemblies.

      2. Hit lightly the remainder of the shaft and dowel.

      1. Use minimal force to prevent damage to the support assemblies.

    3. SUBTASK 75-24-49-230-082 Examine the Local Surfaces for Cracks

      1. Do the test for cracks.

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

      2. No cracks are permitted.

    4. SUBTASK 75-24-49-350-093 Install the New Self Locking Nuts

    1. Install the new self locking nuts.

    5. SUBTASK 75-24-49-350-094 Install the New Blind Rivets

      1. Install the new blind rivets.

      1. For riveting refer to SPM TASK 70-39-03-390-501.

    6. SUBTASK 75-24-49-350-095 Remove the Damaged Half Loop Clamps

      1. Remove the blind rivets.

      1. Refer to Step.

    2. Remove the half loop clamps from the support assemblies.

    7. SUBTASK 75-24-49-230-083 Examine the Half Loop Clamp Assemblies for Cracks

      1. Do the test for cracks.

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

      2. No cracks are permitted.

    8. SUBTASK 75-24-49-350-096 Install the Half Loop Clamp Assemblies

      1. Install the half loop clamp assemblies with the ST1300-14 RIVET - BLIND on to the support assemblies.

      1. Make sure that the half loop clamps are aligned correctly before installing.

      2. For riveting refer to SPM TASK 70-39-03-390-501.

    2. Install the new self locking nuts if necessary.

    9. SUBTASK 75-24-49-220-107 Do the Post Repair Inspection

      1. Visually examine the quality of the machine riveting and the safety of the joints.

      1. For acceptance standards refer to SPM TASK 70-39-03-390-501.

    10. Figure: Repair the Support Assemblies

    Repair the Support Assemblies

    Repair the Support Assemblies

Requirements After Job Completion

Follow-On Conditions

NONE
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:77445
Enterprise Name:PRATT AND WHITNEY
BU Name:PRATT & WHITNEY
Street:400 MAIN STREET
City:EAST HARTFORD
Country:USA
Phone Number:8605657700
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:U1653
Enterprise Name:Society Of British Aerospace Companies, LTD.
Part Number:3A2343
Part Name:CLAMP
Manufacturer Code:0AM53
Part Number:3A2349
Part Name:CLAMP
Manufacturer Code:0AM53
Part Number:4W0043
Part Name:NUT, SELF LOCKING, ASSEMBLY OF - .190 DIA
Manufacturer Code:0AM53
Optional Parts
Part NumberPart NameManufacturer
AS41104NUT - 0.19 DIAU1653
Part Number:AS41104
Part Name:NUT - 0.19 DIA
Manufacturer Code:U1653
Part Number:ST1300-14
Part Name:RIVET - BLIND
Manufacturer Code:77445
Manufacturer Code:LOCAL
Tool Number:Illuminated comparator magnifier
Tool Name:Illuminated comparator magnifier