TASK 73-22-34-200-301 EEC Terminal Block Assembly - Examine The Block Assembly, Inspection-001

DMC:V2500-A0-73-22-3400-00A-300A-C|Issue No:002.00|Issue Date:2021-02-01

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 73-22-34-200-301 EEC Terminal Block Assembly - Examine The Block Assembly, Inspection-001

Effectivity

FIG/ITEM

PART NO.

01-560

740-5435-505

01-560

740-5435-507

01-560

740-5435-509

01-560

745-5435-501

General

This TASK gives the procedure for the inspection of the terminal block assembly. For the other electronic engine control parts, refer to Inspection - 000 TASK 73-22-34-200-300 and Inspection - 001 TASK 73-22-34-200-301 in the Component Maintenance Manual (CMM-MECH-V2500-1IA).

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.

All the parts must be cleaned before they are examined. Refer to Cleaning - 000 TASK 73-22-34-100-300.

All the parts must be visually examined for damage, corrosion and wear. Defects that are not identified in the procedure must be referred to IAE.

Do not discard any part until you are sure there are no repairs available. Refer to the instructions in Repair before a discarded part is used again or oversize parts are installed.

Parts which should be discarded can be held although no repair is available. The repair of a discarded part could be shown to be necessary at a later date.

All the parts must be examined to make sure that all the repairs have been completed satisfactorily.

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

References

Refer to the SPM for data on these items.

Definition of Damage, SPM TASK 70-02-02-350-501.

Inspection Policy and Inspection of Parts, SPM TASK 70-20-01-200-501.

Some data on these items is contained in this TASK. For more data on these items refer to the SPM.

Method of Testing for Crack Indications.

Chemical Processes.

Surface Protection.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NONE

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 73-22-34-230-052 Examine the Terminal Block Assembly for Cracks

    2. Clean the parts. Refer to Cleaning - 000 TASK 73-22-34-100-300.

      1. Do the crack test on the parts that are given below. Use the applicable penetrant inspection procedure.

        1. Terminal block assembly.

        2. Refer to SPM TASK 70-23-01-230-501.

          1. Cracked

          2. Reject

    1. SUBTASK 73-22-34-220-055 Examine the Terminal Block Assembly Connector

      1. Examine the screws.

        1. Bent

        2. Reject

        1. Threads damaged

        2. Reject

      1. Examine the connector body.

        1. Clamp distorted

        2. Reject

        1. Threads damaged

        2. Reject

        1. Ground ferrule distorted

        2. Reject

    1. SUBTASK 73-22-34-220-056 Examine the Terminal Modules of the Terminal Block Assembly

      1. Examine the connector pin housings.

        1. Split

        2. Reject

        1. Unbonded

        2. Reject

      1. Examine the connector sockets.

        1. Internal contact clips damaged or missing.

        2. Reject

        1. Sockets damaged or distorted.

        2. Reject

    1. SUBTASK 73-22-34-220-057 Examine the Terminal Block Assembly Cover/Housing and Bracket

      1. Scratched.

        1. Not more than 0.015 in. (0.38 mm) in depth.

        2. Accept

        1. More than in Step.

        2. Reject

      1. Distorted

      2. Reject

      1. Distorted holes

      2. Reject

      1. Captive nuts damaged or missing.

      2. Reject

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Revised effectivity table to add PN 745-5435-501 information. (19VC695)