TASK 79-21-51-200-401 Air Cooled Oil Cooler (ACOC) Modulating Valve - Related Parts - Examine The Link Assembly, Inspection-001

DMC:V2500-A0-79-21-5100-00A-300A-C|Issue No:001.00|Issue Date:2014-05-01

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 79-21-51-200-401 Air Cooled Oil Cooler (ACOC) Modulating Valve - Related Parts - Examine The Link Assembly, Inspection-001

Effectivity

FIG/ITEM

PART NO.

01-500

5T8139

01-500

5T8091

01-580

5T8140

01-580

5T8092

01-660

5T8141

01-660

5T8093

General

Refer to Inspection-000 TASK 79-21-51-200-400 for the other oil cooler air modulating valve parts.

Fig/item numbers in parentheses in the procedure agree with those given 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 79-21-51-100-400.

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 the 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 must be discarded can be held although no repair is available. The repair of a discarded part can 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/SUBTASK numbers are in the SPM.

References

Refer to the SPM for data on these items:

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

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.

Procedures for crack tests

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 79-21-51-230-051 Examine the Link Assembly (01-500, 01-580 and 01-660) for Cracks

    1. Clean the parts. Refer to Cleaning-000 TASK 79-21-51-100-401.

      2. Do the test for cracks on the parts that follow. Use the applicable penetrant procedure.

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

          1. Cracked

          1. Reject

    2. SUBTASK 79-21-51-220-051 Examine the Link Assembly Spherical Bearings

    1. Refer to Figure.

      2. Dimensionally inspect bore diameter.

        1. Diameter less than 0.3125 in. (7.937 mm).

        1. Accept

        2. More than in Step.

        1. Reject

      3. Loose/damaged

      1. Reject

      4. Pitted

      1. Reject

    3. SUBTASK 79-21-51-220-052 Examine the Link Assembly (01-500, 01-580 and 01-660) Outer Surface

      1. Dented

      1. Repair, VRS1691 (Repair-002) TASK 79-21-51-300-002.

    4. Figure: Link Assembly

    Link Assembly

Requirements After Job Completion

Follow-On Conditions

NONE