TASK 24-21-49-300-006 IDG Cooling Oil Tubes Remaining Parts - Repair the Bent Support Bracket, Repair-006 (VRS2822)

DMC:V2500-A0-24-21-4910-00A-271A-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 24-21-49-300-006 IDG Cooling Oil Tubes Remaining Parts - Repair the Bent Support Bracket, Repair-006 (VRS2822)

Effectivity

FIG/ITEM

PART NO.

01-100

740-5727-509

01-100

740-5727-511

01-100

740-5727-513

01-500

740-5269-501

02-100

740-5271-503

02-100

740-5271-505

02-500

740-5273-503

02-500

740-5273-505

03-100

740-5275-503

03-500

740-5737-509

03-500

740-5737-511

Material of component

DESCRIPTION

IAE SYMBOL

MATERIAL

Support bracket

Stainless steel

General

This repair can be done to the support brackets attached to the oil cooling tube. It can be done during engine overhaul.

Price and availability - none.

The practices and processes referred to in the procedures by the TASK numbers are in the SPM.

A backing-block must be locally manufactured from a square piece of stainless steel block. One face of the backing-block must be smooth and flat and must have no burrs.

If the support bracket has been repaired before, do not do this repair.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NONE

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 24-21-49-350-051 Repair the Support Bracket

      CAUTION

      MAKE SURE THAT THERE ARE NO BURRS OR SHARP EDGES ON THE BACKING BLOCK. MAKE SURE THAT THERE ARE NO UNWANTED PARTICLES, DIRT OR GRIT ON THE BACKING-BLOCK OR ON THE SUPPORT BRACKET. THESE COULD CAUSE SCRATCHES OR CRACKS DURING THE REPAIR.

    1. Refer to Figure and Figure.

      2. Repair the support bracket.

      1. Use the backing-block.

      2. Put the face of the backing-block against the support bracket.

      3. Make sure that this face of the backing-block is smooth and flat and has no burrs.

      4. Use a nylon mallet and smooth pliers. Refer to Figure (for items 01-100 and 02-100) and to Figure (for items 02-500 and 03-500) and change the shape of the support bracket to the correct shape.

      5. Use no more force than is necessary to change the shape of the support bracket.

      6. If the support bracket must be moved through more than 20 degrees during the repair, discard the support bracket.

    2. SUBTASK 24-21-49-220-092 Examine the Shape of the Support Bracket

    1. Refer to Figure and Figure.

      2. Examine the straight segments of the support bracket.

      1. Use a straight edge.

      2. Refer to Figure (for items 01-100 and 02-100) and to Figure (for items 02-500 and 03-500) and make sure that these segments are straight.

      3. Make sure that the dimensions of the support bracket are correct.

      1. Use a steel rule.

      2. Refer to Figure (for items 01-100 and 02-100) and Figure (for items 02-500 and 03-500).

      3. If the dimensions are not correct, do Step again.

    3. SUBTASK 24-21-49-230-057 Examine the Repaired Support Bracket

      1. Do a dye penetrant test on the support bracket.

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

    4. SUBTASK 24-21-49-850-051 Put the Repair Scheme Number on the Support Bracket

      1. Mark the repair scheme number VRS2822 on the support bracket, adjacent to the repair area.

      1. Refer to SPM TASK 70-09-00-400-501 and use the electro-etch method.

    5. Figure: Support Bracket Repair - Dimensions (for Items 01-100 and 02-100)

    Support Bracket Repair - Dimensions (for Items 01-100 and 02-100)

    Figure: Support Bracket Repair - Dimensions (for items 02-500 and 03-500)

    Support Bracket Repair - Dimensions (for items 02-500 and 03-500)

Requirements After Job Completion

Follow-On Conditions

NONE