TASK 79-21-43-200-409 Fuel Cooled Oil Cooler (FCOC) - Related Parts - Examine The Fuel Cooled Oil Cooler Remaining Parts, Inspection-009

DMC:V2500-A0-79-21-4300-07A-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 79-21-43-200-409 Fuel Cooled Oil Cooler (FCOC) - Related Parts - Examine The Fuel Cooled Oil Cooler Remaining Parts, Inspection-009

Effectivity

FIG/ITEM

PART NO.

01-250

FEB5021

01-250

FEB5024

01-250

AS46771D100E

01-350

FEB5021

01-540

5T8024

01-541

5T8025

01-542

5T8026

01-543

5T8027

01-544

5T8025

01-545

5T8026

01-546

5T8027

01-547

5T8028

VARIOUS

BOLT

VARIOUS

NUT

VARIOUS

WASHER

General

This TASK gives the procedure for the inspection of the FCOC remaining parts. For the other FCOC parts refer to Inspection/Check-000.TASK 79-21-43-200-400.

Fig/item numbers in parentheses in the procedure agree with those given in the EIPC. Only the primary Fig/item numbers are used. For the service bulletin alpha variants refer to the EIPC.

All the parts must be cleaned before they are examined. Refer to the Cleaning-000 TASK 79-21-43-100-400.

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.

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.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NONE

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 79-21-43-220-068 Examine the Bolts

      1. Threads

        1. Crossed

        1. Reject.

        2. Stripped

        1. Reject

        3. Missing

        1. Reject.

        4. Worn

        1. Refer to SPM TASK 70-42-01-400-501.

      2. Surfaces

        1. Nicked

          1. Nicked to a depth of 0.002 in. (0.05 mm) with no high metal

          1. Accept.

          2. More than in Step

          1. Reject.

      3. Head

        1. Burred

          1. Burred but with no decrease in function

          1. Accept.

          2. In excess of Step

          1. Reject.

    2. SUBTASK 79-21-43-220-069 Examine the Nuts

      1. Threads

        1. Crossed

        1. Reject.

        2. Stripped

        1. Reject.

        3. Missing

        1. Reject.

        4. Worn

        1. Refer to SPM TASK 70-42-01-400-501.

      2. Surfaces

        1. Burred/nicked

          1. Burred/nicked but with no decrease in function

          1. Accept.

          2. In excess of Step

          1. Reject.

    3. SUBTASK 79-21-43-220-070 Examine the Washers

      1. Surfaces

        1. Burred

        1. Reject.

    4. SUBTASK 79-21-43-220-071 Examine the Bonding Straps (01-250 and 01-350)

      1. Braided strap

        1. Torn/cut or frayed.

        1. Reject.

      2. Terminal lug

        1. Distorted/worn but with no decrease in function.

        1. Accept.

        2. Torn/cracked

        1. Reject.

    5. SUBTASK 79-21-43-220-072 Examine the Washers (01-540 to 01-547)

      1. Examine the surface

        1. Cracked

        1. Reject.

        2. Burred

          1. Not more than 0.002 in. (0.05 mm) in depth after removal of high metal.

          1. Accept.

          2. Other than in Step

          1. Reject.

        3. Worn

          1. If the ID is less than 0.26 in. (6.60 mm).

          1. Accept.

          2. More than in Step

          1. Reject.

      2. Washer thickness

        1. Washer thickness not less than dimension T

        1. Accept.

        2. Other than in Step Dimension T.

        1. Reject.

          NOTE

          01-540 5T8024 0.098 in. (2.50 mm)
          01-541 5T8025 0.106 in. (2.70 mm)
          01-544 5T8025 0.106 in. (2.70 mm)
          01-542 5T8026 0.114 in. (2.90 mm)
          01-543 5T8027 0.122 in. (3.10 mm)
          01-544 5T0025 0.130 in. (3.30 mm)
          01-545 5T0026 0.138 in. (3.50 mm)
          01-546 5T0027 0.146 in. (3.70 mm)
          01-547 5T0028 0.154 in. (3.90 mm)

Requirements After Job Completion

Follow-On Conditions

NONE