TASK 75-24-48-200-102-C00 HPT ACC Air Manifold - Examine, Inspection-002

DMC:V2500-A0-75-24-4801-02C-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 75-24-48-200-102-C00 HPT ACC Air Manifold - Examine, Inspection-002

Effectivity

FIG/ITEM

PART NO.

02-500

2A3665

General

This TASK gives the procedure for the inspection of the turbine cooling manifold assembly. For the other HP ACC manifold parts, refer to Inspection-000 TASK 75-24-48-200-100.

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.

The policy that is necessary for check is given in SPM TASK 70-20-01-200-501.

All the parts must be cleaned before any part is examined. Refer to Cleaning-000 TASK 75-24-48-100-100.

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. Limits for cracks are given in the SUBTASK for each part.

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 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, SPM TASK 70-02-02-350-501.

Inspection of Parts, 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

NameManufacturerPart Number / IdentificationQuantityRemark
Fluorescent Penetrant Inspection EquipmentLOCALFluorescent Penetrant Inspection Equipment

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 75-24-48-230-057 Examine the Turbine Cooling Manifold Assembly (02-500) for Cracks

    1. Clean the part. Refer to Cleaning-000 TASK 75-24-48-100-100.

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

        1. Turbine Cooling Manifold Assembly. Refer to SPM TASK 70-23-02-230-501.

          1. Cracked

          1. Repair, VRS1552 (Repair-017) TASK 75-24-48-300-017.

    2. SUBTASK 75-24-48-220-079 Examine the Turbine Cooling Manifold Assembly (02-500) Surface

    1. Refer to Figure.

      2. Examine the surface of turbine cooling manifold assembly except the pin (Location 3), joint (Location 1), welded bracket (Location 5), support (Location 2) and tubes (Location 4).

        1. Dented

          1. Not more than 0.394 in. (10.00 mm) in depth.

          1. Accept

          2. More than in Step.

          1. Reject

        2. Nicked

          1. Not more than 0.012 in. (0.30 mm) in depth.

          1. Accept

          2. More than in Step.

          1. Repair, VRS1553 (Repair-003) TASK 75-24-48-300-003 or VRS1552 (Repair-017) TASK 75-24-48-300-017.

      3. Examine the surface of welded bracket at location 5.

        1. Dented

          1. Not more than 0.012 in. (0.30 mm) in depth.

          1. Accept

          2. More than in Step.

          1. Repair, VRS1553 (Repair-003) TASK 75-24-48-300-003 or VRS1529 (Repair-010) TASK 75-24-48-300-010.

        2. Nicked

          1. Not more than 0.012 in. (0.30 mm) in depth.

          1. Accept

          2. More than in Step.

          1. Repair, VRS1553 (Repair-003) TASK 75-24-48-300-003 or VRS1529 (Repair-010) TASK 75-24-48-300-010.

        3. Distorted

        1. Repair, VRS1531 (Repair-009) TASK 75-24-48-300-009.

        4. Broken

        1. Repair, VRS1529 (Repair-010) TASK 75-24-48-300-010.

      4. Examine the surface of support and pin at location 2 and 3.

        1. Dented

          1. Not more than 0.012 in. (0.30 mm) in depth.

          1. Accept

          2. More than in Step.

          1. Repair, VRS1553 (Repair-003) TASK 75-24-48-300-003, or VRS1530 (Repair-008) TASK 75-24-48-300-008 or VRS1535 (Repair-005) TASK 75-24-48-300-005.

        2. Nicked

          1. Not more than 0.012 in. (0.30 mm) in depth.

          1. Accept

          2. More than in Step.

          1. Repair, VRS1553 (Repair-003) TASK 75-24-48-300-003 or VRS1530 (Repair-008) TASK 75-24-48-300-008 or VRS1535 (Repair-005) TASK 75-24-48-300-005.

        3. Distorted

        1. Repair, VRS1531 (Repair-009) TASK 75-24-48-300-009.

        4. Broken

        1. Repair, VRS1530 (Repair-008) TASK 75-24-48-300-008 or VRS1535 (Repair-005) TASK 75-24-48-300-005.

      5. Examine the surface of the tubes at location 4.

        1. Dented

          1. Not more than 0.019 in. (0.50 mm) in depth.

          1. Accept

          2. More than in Step.

          1. Repair, VRS1531 (Repair-009) TASK 75-24-48-300-009.

        2. Nicked

          1. Not more than 0.012 in. (0.30 mm) in depth.

          1. Accept

          2. More than in Step.

          1. Repair, VRS1553 (Repair-003) TASK 75-24-48-300-003 or VRS1552 (Repair-017) TASK 75-24-48-300-017.

        3. Distorted

        1. Repair, VRS1531 (Repair-009) TASK 75-24-48-300-009.

    3. SUBTASK 75-24-48-220-080 Examine the Turbine Cooling Manifold Assembly (02-500) Joint

    1. Refer to Figure.

      2. Examine the joint of turbine cooling manifold assembly at location 1.

        1. Worn

          1. Greater than 0.039 in. (1.00 mm) in remaining thickness except the chamfer area.

          1. Accept

          2. Less than in Step.

          1. Repair, VRS1536 (Repair-006) TASK 75-24-48-300-006.

        2. Nicked

          1. Not more than 0.039 in. (1.0 mm) in depth.

          1. Accept

          2. More than in Step.

          1. Repair, VRS1553 (Repair-003) TASK 75-24-48-300-003 or VRS1536 (Repair-006) TASK 75-24-48-300-006.

    4. Figure: Inspection of the Turbine Cooling Manifold Assembly

    Inspection of the Turbine Cooling Manifold Assembly

Requirements After Job Completion

Follow-On Conditions

NONE
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
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