TASK 75-24-51-200-409 Active Clearance Control (ACC) Valve - Related Parts - Examine The ACC Seal Retainer, Inspection-009

DMC:V2500-A0-75-24-5100-08A-310A-C|Issue No:001.00|Issue Date:2013-11-01

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 75-24-51-200-409 Active Clearance Control (ACC) Valve - Related Parts - Examine The ACC Seal Retainer, Inspection-009

Effectivity

FIG/ITEM

PART NO.

01-370

2A1531

General

This TASK gives the procedure for the inspection of the ACC seal retainer. For the other ACC valve parts, refer to Inspection-000 TASK 75-24-51-200-400.

Fig/item numbers in parentheses in the procedure agree with those used in the IPC.

The policy that is necessary for check is given in SPM TASK 70-20-00-200-501.

All the parts must be cleaned before any part is examined. Refer to Cleaning-000 TASK 75-24-51-100-400.

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

The procedure for those parts which must have a crack test is given in Step. Do the test before the part is visually examined.

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 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.

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

Inspection of PARTS, Refer to SPM TASK 70-20-01-200-501.

Some data on these items are 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 75-24-51-230-057 Examine the ACC Seal Retainer for Cracks

    1. Clean the parts. Refer to Cleaning-000 TASK 75-24-51-100-400.

      2. Do the visual inspection on the parts that are given below.

        1. ACC seal retainer Refer to SPM TASK 70-21-01-220-501.

          1. Cracked

          1. Reject

    2. SUBTASK 75-24-51-220-080 Examine the ACC Seal Retainer Surface

      1. Examine all the surface.

        1. Dented

          1. Not more than 0.02 in. (0.51 mm) in depth.

          1. Accept

          2. More than in Step.

          1. Reject

        2. Nicked

          1. Not more than 0.01 in. (0.25 mm) in depth.

          1. Accept

          2. More than in Step.

          1. Reject

Requirements After Job Completion

Follow-On Conditions

NONE