TASK 73-22-34-440-301 EEC Terminal Block Assembly - Assemble The Terminal Block Assembly (01-560) To The Harnesses, Assembly-001

DMC:V2500-A0-73-22-3400-00A-710A-C|Issue No:002.00|Issue Date:2019-02-01

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 73-22-34-440-301 EEC Terminal Block Assembly - Assemble The Terminal Block Assembly (01-560) To The Harnesses, Assembly-001

General

Fig/item numbers in parentheses in the procedure agree with those used in the IPC. Only the primary Fig/item numbers are used. For the service bulletin alpha variants refer to the IPC.

For all parts identified in a different Chapter/Section/Subject, the applicable Chapter/Section/Subject comes before the Fig/item number.

Lubricate all threads and abutment faces of nuts and bolts with CoMat 10-039 ENGINE OIL, unless other lubricants are referred to in the procedure.

For the lockwire data and procedures refer to SPM TASK 70-42-05-400-501

For the torque tightening procedures, refer to SPM TASK 70-41-00-400-501 and SPM TASK 70-41-01-400-501.

To identify consumable materials refer to the PCI.

Special tools are identified in the procedure by the tool primary number.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Inserter/extractor toolLOCALM81969/14-03

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 01-002 SOLVENT, DELETED.LOCALCoMat 01-002
CoMat 02-099 LINT-FREE CLOTHLOCALCoMat 02-099
CoMat 02-148 ADHESIVE TAPE (ELECTRICAL)LOCALCoMat 02-148
CoMat 02-159 LACING TAPELOCALCoMat 02-159
CoMat 08-026 THREADLOCKING MATERIALLOCALCoMat 08-026
CoMat 10-039 ENGINE OILLOCALCoMat 10-039

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 73-22-34-110-051 Clean the Backshell, the Terminal Block Connector and the Screws

      WARNING

      DO NOT GET THE CLEANING FLUID ON YOUR SKIN OR IN YOUR EYES. PUT ON PROTECTIVE CLOTHING, GLOVES, GOGGLES AND A MASK. USE THE FLUID IN A WELL VENTILATED AREA. DO NOT BREATHE THE GAS. IF YOU GET THE FLUID ON YOUR SKIN OR IN YOUR EYES FLUSH IT AWAY WITH WATER. GET MEDICAL HELP IF YOUR SKIN OR EYES BECOME IRRITATED.
      1. Use the CoMat 01-002 SOLVENT, DELETED. and the CoMat 02-099 LINT-FREE CLOTH to clean these parts:

      2. Backshell threads

      3. Screw threads

      4. Terminal block connector.

      5. Remove the unwanted material from the components with a clean piece of the lint free cloth before the fluid dries.

    1. SUBTASK 73-22-34-440-051-A00 Install the Terminal Block Assembly (Pre SBE 73-0137)

    2. Refer to Figure and Figure.

    3. Find the cable 8P023, 8P024, 8P032, 8P055 and 8P082 in the general services harness (71-51-43,01-005) and the cables 8T033 and 8T077 in the EEC and ignition supply harness (71-51-42,01-005).

    4. Hold the seven cables together and put them through the backshell and ground ferrule.

      1. Connect the seven cables to the terminal block assembly (01-560).

      2. Put the cables through the terminal block connector.

        1. Use the Inserter/extractor tool to connect the cables as follows:

        2. Cable 8P055 to terminal A on terminal block TM817.

        3. Cable 8P023 to terminal B on terminal block TM817.

        4. Cable 8P032 to terminal C on terminal block TM817.

        5. Cable 8T077 to terminal E on terminal block TM817.

        6. Cable 8P082 to terminal A on terminal block TM824.

        7. Cable 8P024 to terminal B on terminal block TM824.

        8. Cable 8T033 to terminal C on terminal block TM824.

      3. Put the screen tails equally around the ground ferrule. Attach the screen tails to the cables with the CoMat 02-159 LACING TAPE.

      4. Move the ground ferrule along the harness to make sure that the screen tails touch the backshell.

      5. Use CoMat 02-159 LACING TAPE to secure the screen tails to the harness immediately behind the ground ferrule.

        NOTE

        Make sure that you trim all screen tails that overlap the ground ferrule when it is installed in the backshell.
      6. CAUTION

        MAKE SURE THE LOCKING COMPOUND IS APPLIED ONLY TO THE THREADS.

        Apply two drops of the CoMat 08-026 THREADLOCKING MATERIAL opposite to each other, to the threads of the backshell.

      7. Install the backshell to the terminal block connector. Torque the backshell to 10 lbfin (1.13 Nm).

      8. Apply one drop of the locking compound to the threads of the two screws.

      9. Attach the cable clamp to the backshell with the two screws. Torque the two screws to between 10 and 20 lbfin (1.13 and 2.26 Nm)

      1. Install the cover of the terminal block assembly (01-560)

      2. Put the cover on the bracket.

      3. Attach the cover to the bracket with the five screws and the washers. Torque the five screws to 40 lbfin (4.5 Nm).

    1. SUBTASK 73-22-34-440-051-B00 Install the Terminal Block Assembly (SBE 73-0137 and PRE SBE 71-0275)

    2. Refer to Figure and Figure.

    3. Find the cables 8P023, 8P024, 8P032, 8P055 and 8P082 in the general services harness (71-51-43,01-005) and the cables 8T033 and 8T077 in the EEC and ignition supply harness (71-51-42,01-005).

    4. Hold the seven cables together and put them through the backshell and the ground ferrule.

      1. Connect the seven cables to the terminal block assembly (01-560).

      2. Put the cables through the terminal block connector.

        1. Use the Inserter/extractor tool to connect the cables as follows:

        2. Cable 8P055 to terminal A on terminal block M81714/3-D-A1.

        3. Cable 8P023 to terminal B on terminal block M81714/3-D-A1.

        4. Cable 8P032 to terminal C on terminal block M81714/3-D-A1.

        5. Cable 8T077 to terminal E on terminal block M81714/3-D-A1.

        6. Cable 8P082 to terminal A on terminal block M81714/3-D-B1.

        7. Cable 8P024 to terminal B on terminal block M81714/3-D-B1.

        8. Cable 8T033 to terminal C on terminal block M81714/3-D-B1.

      3. Put the screen tails equally around the ground ferrule. Attach the screen tails to the cables with CoMat 02-159 LACING TAPE.

      4. Move the ground ferrule along the harness to make sure that the screen tails touch the backshell.

      5. Use CoMat 02-159 LACING TAPE to secure the screen tails to the harness immediately behind the ground ferrule.

        NOTE

        Make sure that you trim all screen tails that overlap the ground ferrule when it is installed in the backshell.
      6. Wind the CoMat 02-148 ADHESIVE TAPE (ELECTRICAL) around the cables at clamp position, so that the clamp will hold the cables tightly.

      7. CAUTION

        DO NOT INSTALL THE ADHESIVE TAPE IF THE CABLES ARE DAMAGED. YOU MUST REPLACE THE CABLES IF THEY ARE DAMAGED BEFORE YOU INSTALL THE ADHESIVE TAPE. REFER TO ASSEMBLY-001 TASK 73-22-34-440-301.
        YOU MUST MAKE SURE THAT THE ADHESIVE TAPE IS INSTALLED AT THE THROUGH HOLE OF THE TERMINAL MODULE BRACKET TO PREVENT CHAFING.

        Install three layers of CoMat 02-148 ADHESIVE TAPE (ELECTRICAL) along the length of the harness starting from the M81714/3-D-A1 terminal junction module and the M81714/3-D-B1 terminal junction module, for a distance of approximately not more than 6.00 in. (152.4 mm) and including the through hole in the terminal module bracket.

        NOTE

        You can move the cables in the forward and aft direction to make sure that CoMat 02-148 ADHESIVE TAPE (ELECTRICAL) is installed easily at the through hole of the terminal module bracket. The CoMat 02-148 ADHESIVE TAPE (ELECTRICAL) can be split at this point, but there must not be gaps in the protective layers.
      8. CAUTION

        MAKE SURE THE LOCKING COMPOUND IS APPLIED ONLY TO THE THREADS.

        Apply two drops of CoMat 08-026 THREADLOCKING MATERIAL opposite to each other, to the threads of the backshell.

      9. Install the backshell to the terminal block connector. Torque the backshell to 10 lbfin (1.13 Nm).

      10. Apply one drop of the locking compound to the threads of the two screws.

      11. Attach the cable clamp to the backshell with the two screws. Torque the two screws to between 10 and 20 lbfin (1.13 and 2.26 Nm).

      1. Install the cover of the terminal block assembly (01-560)

      2. Put the cover on the bracket.

      3. Attach the cover to the bracket with the five screws and washers. Torque the five screws to 40 lbfin (4.5 Nm).

    1. SUBTASK 73-22-34-440-051-C00 Install the Terminal Block Assembly (SBE 71-0275)
      SB 71-0275: Engine Build Unit (EBU) - Terminal Module Assembly - Rerouting of the Harness.

    2. Refer to Figure thru Figure.

    3. Find the cables 8P023, 8P024, 8P032, 8P055 and 8P082 in the general services harness (71-51-43,01-005) and the cables 8T033 and 8T077 in the EEC and ignition supply harness (71-51-42,01-005).

    4. Hold the seven cables together and put them through the backshell and the ground ferrule.

      1. Connect the seven cables to the terminal block assembly (01-560).

      2. Put the cables through the terminal block connector.

        1. Use the Inserter/extractor tool to connect the cables as follows:

        2. Cable 8P055 to terminal A on terminal block M81714/3-D-A1.

        3. Cable 8P023 to terminal B on terminal block M81714/3-D-A1.

        4. Cable 8P032 to terminal C on terminal block M81714/3-D-A1.

        5. Cable 8T077 to terminal E on terminal block M81714/3-D-A1.

        6. Cable 8P082 to terminal A on terminal block M81714/3-D-B1.

        7. Cable 8P024 to terminal B on terminal block M81714/3-D-B1.

        8. Cable 8T033 to terminal C on terminal block M81714/3-D-B1.

      3. Install three layers of CoMat 02-148 ADHESIVE TAPE (ELECTRICAL) along the length of the cables, from the M81714/3-D-A1 terminal junction module and the M81714/3-D-B1 terminal junction module, for a distance of approximately 6.0 in. (152 mm).

        NOTE

        You can adjust the cables in the forward and aft direction to make sure that there is easy installation of the adhesive tape at the through-hole in the bracket. The tape can be split at this point for easy installation but there must not be gaps in the protective layers.
      4. Wind more CoMat 02-148 ADHESIVE TAPE (ELECTRICAL) around the cables at the clamp position, so that the clamp will hold the harness tightly.

      5. Put the screen tails equally around the ground ferrule. Attach the screen tails to the cables with CoMat 02-159 LACING TAPE.

      6. Move the ground ferrule along the harness to make sure that the screen tails touch the backshell.

      7. Use CoMat 02-159 LACING TAPE to secure the screen tails to the harness immediately behind the ground ferrule.

        NOTE

        Make sure that you trim all screen tails that overlap the ground ferrule when it is installed in the backshell.
      8. CAUTION

        MAKE SURE THE LOCKING COMPOUND IS APPLIED ONLY TO THE THREADS.

        Apply two drops of CoMat 08-026 THREADLOCKING MATERIAL opposite to each other, to the threads of the backshell.

      9. Install the backshell to the terminal block connector. Torque the backshell to 10 lbfin. (1.13 Nm).

        NOTE

        Make sure that the cables have enough bend radii to prevent a sharp angle at the attachment to the M8714/3-D-A1 terminal junction module and the M8714/3-D-B1 terminal junction module.
      10. Apply one drop of the locking compound to the threads of the two screws.

      11. Attach the cable clamp to the backshell with the two screws. Torque the two screws to between 10 and 20 lbfin. (1.3 and 2.26 Nm).

      1. Install the cover of the terminal block assembly (01-560)

      2. Put the cover on the bracket.

      3. Attach the cover to the bracket with the five screws and washers. Torque the five screws to 40 lbfin. (4.5 Nm).

  1. Figure: Terminal Block Assembly

    Terminal Block Assembly

    Figure: Terminal Block Assembly

    Terminal Block Assembly

    Figure: Terminal Block Assembly

    Terminal Block Assembly

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Updated tool information. (17VN806)

Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:X111X
Supply Number:CoMat 01-002
Type:sp01
Supply Short Name:CoMat 01-002 SOLVENT, DELETED.
Supply Name:CoMat 01-002 SOLVENT, DELETED.
Specification Groups:
Doc NumberType
wiring harnesses. Where CoMat 01‐002 is specified to clean mechanical components, use one or more of the solvents that SPM TASK 70‐11‐26‐300‐503 specifies as applicable.DELETED. Where CoMat 01‐002 is specified to clean electrical contacts or wiring harnesses, use one or more of the solvents that SPM TASK 70‐11‐57‐110‐501 specifies to clean electrical contacts or
Suppliers:
ManufacturerRemarks
X111X
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
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:LOCAL
Supply Number:CoMat 02-159
Type:sp01
Supply Short Name:CoMat 02-159 LACING TAPE
Supply Name:CoMat 02-159 LACING TAPE
Specification Groups:
Doc NumberType
T085 OMAT: 274
Suppliers:
ManufacturerRemarks
LOCAL
IE218
K6835
Manufacturer Code:LOCAL
Supply Number:CoMat 08-026
Type:sp01
Supply Short Name:CoMat 08-026 THREADLOCKING MATERIAL
Supply Name:CoMat 08-026 THREADLOCKING MATERIAL
Specification Groups:
Doc NumberType
OMAT: 8/66LOCTITE 222 AFS 1737A MIL-S-46163A TYPE 2 NATO 8030-99-224-8425
Suppliers:
ManufacturerRemarks
LOCAL
IE259
IE200
IE261
IE379
IE380
k3504
K6835
U0406
Manufacturer Code:LOCAL
Supply Number:CoMat 10-039
Type:sp01
Supply Short Name:
Supply Name:CoMat 10-039 ENGINE OIL
Specification Groups:
Doc NumberType
DELETED
Suppliers:
ManufacturerRemarks
LOCAL
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