TASK 72-32-70-200-004-B00 LPC Bleed Valve Arm Pins - Examine, Inspection-004

DMC:V2500-A0-72-32-7001-03B-300A-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 72-32-70-200-004-B00 LPC Bleed Valve Arm Pins - Examine, Inspection-004

Effectivity

FIG/ITEM

PART NO.

02-270

5A1794

General

This TASK gives the procedure for the inspection of the pins. For the other booster stage bleed valve and actuating mechanism parts, refer to TASK 72-32-70-200-000.

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

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

All the parts must be cleaned before any part is examined. Refer to TASK 72-32-70-100-000.

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 instruction 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 numbers are in the SPM.

References

Refer to the SPM for data on these items.

Definition of Damages, SPM TASK 70-02-02-350-501

Inspection of Parts, SPM TASK 70-20-00-200-501

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

NameManufacturerPart Number / IdentificationQuantityRemark
Fluorescent Penetrant Inspection EquipmentLOCALFluorescent penetrant inspection equipment

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-32-70-230-062 Examine the Pin for Cracks

    1. Clean the parts. Refer to TASK 72-32-70-100-000.

      2. Do the test for cracks on the parts that are given below. Use the applicable fluorescent penetrant procedure.

        PART IDENT

        TASK/SUBTASK

        Pin

        1. Cracked

        1. Reject

    2. SUBTASK 72-32-70-220-100 Examine the Pin Surface

    1. Refer to Figure.

      2. Examine all the surface (except plating area at location 1).

        1. Galled.

          1. Up to 0.005 in. (0.12 mm) in depth

          1. Repair, VRS1739 TASK 72-32-70-300-004 (REPAIR-004)

          2. More than 0.005 in. (0.12 mm) in depth

          1. Reject

        2. Scratched.

          1. Up to 0.005 in. (0.12 mm) in depth

          1. Repair, VRS1739 TASK 72-32-70-300-004 (REPAIR-004)

          2. More than 0.005 in. (0.12 mm) in depth

          1. Reject

        3. Corroded

        1. Reject

    3. SUBTASK 72-32-70-220-101 Examine the Pin Diameter

    1. Refer to Figure.

      2. Examine the diameter at location 0485.

        1. Worn.

          1. If the diameter is between 0.2486 in. (6.314 mm) and 0.2491 in. (6.329 mm)

          1. Accept

        2. Write down the dimension of the diameter

          3. If the diameter is less than 0.2486 in. (6.314 mm)

          1. Reject

    4. Figure: Locations on the Pin

    Locations on the Pin

Requirements After Job Completion

Follow-On Conditions

NONE
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:LOCAL
Tool Number:Fluorescent penetrant inspection equipment
Tool Name:Fluorescent Penetrant Inspection Equipment