TASK 72-38-25-300-005 Bifurcation Panel - Replace Sealant And Fill Cracks, Repair-005 (VRS6377)

DMC:V2500-A0-72-38-2501-00A-920A-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 72-38-25-300-005 Bifurcation Panel - Replace Sealant And Fill Cracks, Repair-005 (VRS6377)

Effectivity

FIG/ITEM

PART NO.

01-300

6A3361

01-300

6A3756

01-300

6A4106

01-300

6A4624

Material of component

RR

DESCRIPTION

SYMBOL

MATERIAL

Panel - Disconnect,

TAK

Commercially pure titanium

core engine to fancase

assembly

Rubber fire seal

-

Braided rubber hose

General

This Repair must only be done when the instruction to do so is given in 72-38-25 Inspection.

This Repair instructs sealant to be applied to open joints of the rubber fire seal and to put back the contour where the cowl doors of the aircraft, touch.

The practices and processes referred to in the procedure by the TASK/SUBTASK numbers are in the SPM.

Price and availability

Refer to International Aero Engines.

NOTE

  1. Equivalent materials or equipment can be used.

  2. More equipment and materials necessary to do this Repair are in the SPM TASKS given below:

TASK 70-09-00-400-501
TASK 70-36-02-360-501

NOTE

To identify the consumable materials refer to the PCI.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Standard workshop equipmentLOCALStandard workshop equipment
Vibrating marking pencilLOCALVibrating marking pencil

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 01-001 SOLVENT, DELETED0AM53CoMat 01-001
CoMat 01-126 XYLENE THINNERS C6H4(CH3)2IE388CoMat 01-126
CoMat 05-016 GARNET PAPER, 80-GRITLOCALCoMat 05-016
CoMat 08-013 COLD CURING SILICONE COMPOUNDLOCALCoMat 08-013
CoMat 08-014 PRIMER, SILICONE ADHESIVE/SEALANT0AM53CoMat 08-014

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-38-25-110-054 Clean the Rubber Fire Seal

      1. Chemically clean the joint and pushed in areas of the rubber fire seal.

      1. Refer to the SPM TASK 70-36-02-360-501, SUBTASK 70-36-02-360-013.

      2. Use a clean cloth made moist with CoMat 01-001 SOLVENT, DELETED.

      3. Make sure that all joint and pushed in areas are made clean.

    2. SUBTASK 72-38-25-220-062 Examine the Rubber Fire Seal

      1. Visually examine the rubber fire seal joints for sealant that is not there.

      1. Refer to TASK 72-38-25-200-001 for inspection standards.

    3. SUBTASK 72-38-25-350-053 Prepare the Rubber Fire Seal

      1. CAUTION

        CARE MUST BE TAKEN WHEN YOU HAND CLEAN THE JOINT SURFACES, THAT THE SEALANT WHICH IS IN PLACE, DOES NOT GET MORE DAMAGE.

        Make rough the surfaces for repair, as necessary.

      2. Clean the surfaces for repair, as necessary.

      1. Use a clean cloth made moist with CoMat 01-126 XYLENE THINNERS C6H4(CH3)2.

    4. SUBTASK 72-38-25-360-051 Apply the Sealant to the Surfaces for Repair

      1. CAUTION

        CARE MUST BE TAKEN NOT TO CAUSE A BLOCKAGE IN THE AIR HOLES OF THE RUBBER FIRE SEAL.

        Apply a thin layer of primer to the surfaces for repair, as necessary.

      1. Refer to the SPM TASK 70-36-02-360-501, SUBTASK 70-36-02-360-020.

      2. Use CoMat 08-014 PRIMER, SILICONE ADHESIVE/SEALANT, dry in air for 30 minutes.

      2. NOTE

        Sufficient silicone compound must be applied to close the joints and put back the contour of the rubber fire seal.

        Apply the silicone compound, from the tube with an applicator nozzle, to the mating surfaces, as necessary.

      1. Refer to the SPM TASK 70-36-02-360-501, SUBTASK 70-36-02-360-020.

      3. Remove any unwanted silicone compound from the repaired areas.

      1. The silicone compound has to be flush and smooth with the contour of the rubber fire seal.

      2. Use a clean cloth made moist with CoMat 01-126 XYLENE THINNERS C6H4(CH3)2.

      4. NOTE

        The parts can be touched after 12 hours.

        Cure the silicone compound.

      1. Refer to the SPM TASK 70-36-02-360-501, SUBTASK 70-36-02-360-020.

      2. Cure at 68 deg.F. (20 deg.C.), in air for 48 hours.

      3. Do not apply a load during this time.

    5. SUBTASK 72-38-25-220-063 Examine the Rubber Fire Seal

      1. Visually examine the silicone compound around the repaired areas.

      1. No holes should be seen at the joints.

      2. The repaired areas must be smooth with the rubber fire seal contour, where the cowl doors of the aircraft touch.

    6. SUBTASK 72-38-25-350-054 Identify the Repair

      1. Make a mark the VRS6377 adjacent to the assembly number.

      1. Refer to the SPM TASK 70-09-00-400-501, SUBTASK 70-09-00-400-001.

Requirements After Job Completion

Follow-On Conditions

NONE
Manufacturer Code:0AM53
Enterprise Name:IAE INTERNATIONAL AERO ENGINES AG
BU Name:NULL
Building:SUITE 400
Street:628 HEBRON AVENUE
City:GLASTONBURY
State:CT
Zip Code:06033
Country:USA
Manufacturer Code:IE388
Enterprise Name:DELETED
BU Name:DELETED,SEE CAGE CODE Z5529
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Manufacturer Code:X111X
Supply Number:CoMat 01-001
Type:sp01
Supply Short Name:CoMat 01-001 SOLVENT, DELETED
Supply Name:CoMat 01-001 SOLVENT, DELETED
Specification Groups:
Doc NumberType
wiring harnesses. Where CoMat 01‐001 is specified to clean mechanical components, use one or more of the solvents that SPM TASK 70‐11‐26‐300‐503 specifies as applicable.DELETED. Where CoMat 01‐001 is specified to clean electrical contacts or wiring harnesses, use one or more of the solvents that SPM TASK 70‐11‐57‐110‐501 specifies to clean electrical contacts or
Suppliers:
ManufacturerRemarks
X111X
Manufacturer Code:IE388
Supply Number:CoMat 01-126
Type:sp01
Supply Short Name:CoMat 01-126 XYLENE THINNERS C6H4(CH3)2
Supply Name:CoMat 01-126 XYLENE THINNERS C6H4(CH3)2
Specification Groups:
Doc NumberType
OMAT: 122GPR
JCR-138GPR
Suppliers:
ManufacturerRemarks
IE388
5J897
k3504
K6835
24853
LOCAL
Manufacturer Code:0KHE3
Supply Number:CoMat 05-016
Type:sp01
Supply Short Name:CoMat 05-016 GARNET PAPER, 80-GRIT
Supply Name:CoMat 05-016 GARNET PAPER, 80-GRIT
Specification Groups:
Doc NumberType
GARNET PAPER, CAMI GRIT SIZE 80 GRADE 0 (ANSI B74.18)
Suppliers:
ManufacturerRemarks
0KHE3
1E1X8
LOCAL
C4347
K0993
K2F42
K6835
V571V
Manufacturer Code:X222X
Supply Number:CoMat 08-013
Type:sp01
Supply Short Name:CoMat 08-013 COLD CURING SILICONE COMPOUND
Supply Name:CoMat 08-013 COLD CURING SILICONE COMPOUND
Specification Groups:
Doc NumberType
If CoMat 08-013 is specified without an asterisk or a letter suffix, use one of the letter suffix alternative materials.
Suppliers:
ManufacturerRemarks
X222X
Manufacturer Code:X222X
Supply Number:CoMat 08-014
Type:sp01
Supply Short Name:CoMat 08-014 PRIMER, SILICONE ADHESIVE/SEALANT
Supply Name:CoMat 08-014 PRIMER, SILICONE ADHESIVE/SEALANT
Specification Groups:
Doc NumberType
Use the applicable letter suffix material. Refer to SPM TASK 70-36-02-360-501.
Suppliers:
ManufacturerRemarks
X222X
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