TASK 71-52-42-300-004 Fire Detection (System B) Harness - Replace The Contact Pins and Sockets, Repair-004 (VRS2990)

DMC:V2500-A0-71-52-4200-03A-920A-C|Issue No:003.00|Issue Date:2018-11-01

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 71-52-42-300-004 Fire Detection (System B) Harness - Replace The Contact Pins and Sockets, Repair-004 (VRS2990)

Effectivity

FIG/ITEM

PART NO.

01-005

740-5862-501

01-005

740-5862-503

01-005

740-5862-505

01-005

740-5862-507

01-005

745-5862-501

01-005

745-5862-503

01-005

745-5862-505

01-005

745-5862-901

General

To identify the consumable materials, refer to the PCI.

The cables are of sufficient length to permit the replacement of the contacts two times only. If more replacements are necessary the harness must be disassembled and the applicable cables replaced (Refer to Repair, VRS2967 TASK 71-52-42-300-001 (REPAIR-001)).

Related repairs.

Fire Detection (System B) Harness - Replacement of a Cable VRS2967 TASK 71-52-42-300-001 (REPAIR-001).

Fire Detection (System B) Harness - Replacement of the Connectors VRS2983 TASK 71-52-42-300-003 (REPAIR-003).

Repair parts

FIG/ITEM

PART NO.

PART IDENT

QTY

01-310

8533-1004

Contact pin

AR

01-320

8950-4779

Contact socket

AR

01-320A

M39029/30- 217

Contact Socket

AR

Repair part location - Refer to Figure.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Crimp toolLOCALCrimp tool
LocatorLOCALLocator

16 gauge

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 06-153 FELT TIP MARKER, RAPID DRYINGLOCALCoMat 06-153

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 71-52-42-350-061 Replace the Contact Pin or Socket

      CAUTION

      MAKE SURE THAT YOU USE THE CORRECT LOCATOR AND THAT THE CRIMP TOOL IS SET CORRECTLY. IF NOT, THE CABLE OR THE CONTACT CAN BE DAMAGED OR THE CONTACT INCORRECTLY ATTACHED TO THE CABLE.
      1. Disassemble the backclamp and the connector.

      2. Refer to Repair, VRS2983 TASK 71-52-42-300-003 (REPAIR-003).

      1. Prepare the cable end.

      2. Refer to Figure.

      3. Cut the cable adjacent to the contact pin or socket.

      4. Discard the rejected part.

      5. Remove 0.276 in. (7.0 mm) of the cable insulation.

      1. Install the new contact pin or socket.

      2. Refer to Figure.

      3. Put the conductor into the contact barrel until it touches the bottom (or it can be seen in the inspection hole).

      4. Use the Crimp tool set for the correct gauge of cable, with the applicable Locator, to crimp the contact barrel.

      1. Do a check of the crimped joint.

      2. Manually pull the contact to make sure that it is satisfactorily attached to the conductor.

      1. Assemble the backclamp and the connector.

      2. Refer to Repair, VRS2983 TASK 71-52-42-300-003 (REPAIR-003).

      1. Do a continuity and insulation test.

      2. Refer to TASK 71-52-42-700-301 (TESTING-01).

    1. SUBTASK 71-52-42-850-057 Put the Repair Scheme Number on the Harness

      1. Put the repair scheme number VRS2990 on the identification sleeve of the harness, adjacent to the part number.

  1. Figure: Repair Details and Dimensions

    Repair Details and Dimensions

    Figure: Repair Details and Dimensions

    Repair Details and Dimensions

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Revised effectivity table to update part number. (18VC224)

Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:LOCAL
Supply Number:CoMat 06-153
Type:sp01
Supply Short Name:CoMat 06-153 FELT TIP MARKER, RAPID DRYING
Supply Name:CoMat 06-153 FELT TIP MARKER, RAPID DRYING
Specification Groups:
Doc NumberType
Use one of the applicable CoMat 06- 153 letter suffix materials.
Suppliers:
ManufacturerRemarks
LOCAL
Manufacturer Code:LOCAL
Tool Number:Crimp tool
Tool Name:Crimp tool
Manufacturer Code:LOCAL
Tool Number:Locator
Tool Name:Locator