TASK 70-35-25-300-001-C01 Replace The Cable Of The Electrical Harness, Repair-001 (VRS7002)

DMC:V2500-00-70-35-25-02A-920A-D|Issue No:004.00|Issue Date:2021-08-01

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 70-35-25-300-001-C01 Replace The Cable Of The Electrical Harness, Repair-001 (VRS7002)

General

This TASK details the procedure for the replacement of the electrical cable.

Refer to Repair, VRS7002 SPM TASK 70-35-25-300-001 (REPAIR-001) for the following:

Effectivity

Equipment and materials

General

All illustrations/Figs

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NONE

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 08-013 COLD CURING SILICONE COMPOUNDX222XCoMat 08-01375 ml

Silicoset 152, optional for BiFi connectors (point 8 of the procedure)

CoMat 02-148 ADHESIVE TAPE (ELECTRICAL)LOCALCoMat 02-148

Optional for 90deg backshell (point 8 of the procedure)

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 70-35-25-350-017 Remove the Harness Ties

    1. CAUTION

      DO NOT CUT THE CABLES.

      Cut off and remove the harness ties from the damaged area.

    2. SUBTASK 70-35-25-350-018 Loosen the Backshell

      1. Loosen the backshell the connector or receptacle which is connected to the damaged cable.

    3. SUBTASK 70-35-25-350-062 Remove the Sealant from the BiFi Connectors of EEC Core Harness And Voltage Divider Harness Assembly

      NOTE

      This subtask to be used only if following conditions applied:
      If repairing BIFI CONNECTOR (4008VC or 4009VC) of EEC Core Harness And Voltage Divider Harness Assembly (6A8171 or 6A8172) please check if the connector is filled with sealant and if there is a mark VRS9906/A on the identification sleeve of the harness adjacent to the connector. If so, use blunt-edge tool to remove the sealant.

      1. CAUTION

        BE CAREFUL NOT TO DAMAGE THE INSULATION OF CABLES WHEN REMOVING THE SEALANT FROM CONNECTOR

        Remove all the sealant from the connector to completely uncover all cables and connector's surface.

      1. Use a clean blunt-edge tool.

    4. SUBTASK 70-35-25-350-063 Remove the Anti-chafing Tape from the 90deg Backshells

      NOTE

      This subtask to be used only if following conditions applied:
      If repairing connector with 90deg backshell please check if the wires in the connector are wrapped by anti-chafing tape and if there is a mark VRS9907/A or VRS9908/A on the identification sleeve of the harness adjacent to the connector. If so, use blunt-edge tool to remove the anti-chafing tape.

      1. CAUTION

        BE CAREFUL NOT TO DAMAGE THE INSULATION OF CABLES WHEN REMOVING THE ANTI-CHAFING TAPE FROM CONNECTOR

        Remove all the anti-chafing tape from the connector to completely uncover all cables.

      1. Use a clean blunt-edge tool.

    5. SUBTASK 70-35-25-350-019 Remove the Damaged Cable

    1. NOTE

      Replace only one cable at a time.

      Remove the contact pin and/or socket from the damaged cable.

      2. Pull out the cable from the connectors or receptacle.

    3. Remove the cable from the harness bundle.

    6. SUBTASK 70-35-25-350-020 Install the Contact Pin and/or Socket on the New Cable

    1. NOTE

      The dimensions for the length of the cable can be found in the Component Maintenance Manual. Electrical Harnesses and Cables Chapter 92-90.

      Refer to Figure.

    2. Cut the cable to the same length as the damaged cable.

      3. Remove the insulation.

      1. Use a cable stripper.

      4. Install the contact pin and/or socket.

    7. SUBTASK 70-35-25-350-021 Install the Contact Pin(s) and/or Socket(s) into the Connector or Receptacle

      1. Install the contact pin(s) and socket(s) into the connector or receptacle.

      1. Refer to SPM TASK 70-35-25-300-001-A01. If necessary remove all the contact pin(s) or socket(s) from the connector or receptacle with the cables and reinstall all the contact pin(s) or socket(s) into the connector or receptacle from the center to the outside.

    8. SUBTASK 70-35-25-350-022 Install the Backshell

      1. Install the backshell.

      1. NOTE

        If repairing BIFI CONNECTOR (4008VC or 4009VC) of EEC Core Harness And Voltage Divider Harness Assembly (6A8171 or 6A8172) and if the connector before repair was filled with sealant and marked VRS9906/A on the identification sleeve of the harness adjacent to the connector please perform TASK 71-52-43-300-006 EEC Core Harness And Voltage Divider Harness Assembly - ADDING SEALANT TO BIFI CONNECTORS TO AVOID MOISTURE INGRESS, REPAIR-006 (VRS9906) before continue the assembly of electrical connector.

        NOTE

        If you find the repairing connector with 90deg backshell and also before you do repair to the connector, if it has anti-chafing tape applied and marked VRS9907/A or VRS9908/A on the identification sleeve of the harness adjacent to the connector. You must do TASK 71-51-41-300-009 THE 90DEG BACKSHELL ANTI CHAFING TAPE REPAIR - WRAPPING TAPE AROUND WIRES INSIDE 90DEG BACKSHELL, REPAIR-009 (VRS9907) or TASK 71-52-43-300-008 THE 90DEG BACKSHELL ANTI CHAFING TAPE REPAIR - WRAPPING TAPE AROUND WIRES INSIDE 90DEG BACKSHELL, REPAIR-008 (VRS9908) accordingly before you do with the assembly of electrical connector.

    9. SUBTASK 70-35-25-350-023 Install the Harness Ties

    1. Refer to Figure.

      2. Install the harness ties.

    10. SUBTASK 70-35-25-350-024 Install the Terminal(s)

      1. Install the terminal(s) as necessary.

    11. SUBTASK 70-35-25-350-025 Create the Pigtail (for earth) from the Metal Braiding

    1. Refer to Figure.

    2. Create the pigtail from the metal braiding.

      3. Install the hold band.

      1. Fold back the metal braiding and install the hold band on it.

    12. SUBTASK 70-35-25-350-026 Install the Sleeve Marker and the Protective Sleeve

      1. Install the sleeve marker and the protective sleeve.

    13. SUBTASK 70-35-25-350-053 Identify the Repair

      1. Make a mark VRS7002/C on the identification sleeve of the harness adjacent to the part number.

      1. Use permanent marker.

    14. 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 the note. (21VC136)

Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:X222X
Enterprise Name:N/A – REFER TO APPLICABLE COMAT SUFFIX
Manufacturer Code:LOCAL
Supply Number:CoMat 02-148
Type:sp01
Supply Short Name:CoMat 02-148 ADHESIVE TAPE (ELECTRICAL)
Supply Name:CoMat 02-148 ADHESIVE TAPE (ELECTRICAL)
Specification Groups:
Doc NumberType
OMAT: 296SCOTCH NO. 69 (WHITE)
Suppliers:
ManufacturerRemarks
LOCAL
76381
94960
K0993
K6835
Manufacturer Code:X222X
Supply Number:CoMat 08-013
Type:sp01
Supply Short Name:CoMat 08-013 COLD CURING SILICONE COMPOUND
Supply Name:CoMat 08-013 COLD CURING SILICONE COMPOUND
Specification Groups:
Doc NumberType
If CoMat 08-013 is specified without an asterisk or a letter suffix, use one of the letter suffix alternative materials.
Suppliers:
ManufacturerRemarks
X222X