TASK 72-00-42-020-001-002 Combustion System - Remove The Outer Combustion Chamber Assembly (Vertical) - Method 2, Removal-002

DMC:V2500-A0-72-00-4200-00A-520B-B|Issue No:002.00|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 72-00-42-020-001-002 Combustion System - Remove The Outer Combustion Chamber Assembly (Vertical) - Method 2, Removal-002

General

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.

Apply the approved CoMat 10-058 PENETRATING OIL before the removal of threaded parts and parts with an interference fit. Let the parts soak before removal.

Remove and discard the lockwire before parts are disconnected or removed.

Discard all rubber seal rings, cotter pins and seal washers removed in this procedure.

NOTE

To identify the consumable materials refer to the PCI.

NOTE

Special tools are identified in the procedure by the tool primary number.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
IAE 1P16102 Lift sling0AM53IAE 1P161021

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 10-058 PENETRATING OIL0AM53CoMat 10-058

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-00-42-020-063 Remove the Stage 1 Turbine Nozzle Assembly

    1. Remove the stage 1 turbine nozzle assembly. Refer to TASK 72-00-44-020-001-002 (REMOVAL-002).

    2. SUBTASK 72-00-42-020-064 Remove the Igniter Plugs

    1. Refer to Figure.

      2. CAUTION

        DO NOT BEND THE ELECTRICAL CABLE CONDUIT TOO MUCH WHEN YOU DISCONNECT THE ELECTRICAL CONNECTOR. THE CONDUIT CAN BE DAMAGED AND CAN CAUSE ELECTRICAL CIRCUIT DEFECTS.

        Disconnect the high tension leads.

      1. Loosen the clamps and move then away from the cooling shrouds.

      2. Remove the cooling shrouds.

      3. Disconnect the high tension leads.

      3. CAUTION

        DO NOT REMOVE THE IGNITER INSERT.

        Remove the igniter plugs.

        1. Remove the igniter plug.

        1. Hold the threaded insert with a wrench so it will not turn.

        2. Loosen the igniter plug with a wrench to remove it from the threaded insert.

        3. Remove the igniter plug.

        4. Do the procedure again to remove the remaining igniter plug.

    3. SUBTASK 72-00-42-020-065 Attach the Lift Sling

    1. Install the sling cables, equally apart, in the holes in the outer combustion chamber nearest the large end.

    2. Attach the sling to a hoist and lift the combustion chamber to release the load from doweled end bolts.

    4. SUBTASK 72-00-42-020-066 Remove the Outer Combustion Chamber

    1. Refer to Figure.

    2. Remove the lockwire from the five doweled end bolts on the diffuser case. Release and remove the five doweled end bolts.

    3. Lift the outer combustion chamber from the engine and place on a pallet or a workbench. Remove the sling.

    4. Release the knob assemblies on the install/remove fixture and remove the knobs, the clamp and the fixture from the chamber.

    5. Figure: Remove the igniter plugs

    Remove the igniter plugs

    Figure: Remove the outer combustion chamber

    Remove the outer combustion chamber

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:X222X
Supply Number:CoMat 10-058
Type:sp01
Supply Short Name:CoMat 10-058 PENETRATING OIL
Supply Name:CoMat 10-058 PENETRATING OIL
Suppliers:
ManufacturerRemarks
X222X
Manufacturer Code:0AM53
Tool Number:IAE 1P16102
Tool Name:IAE 1P16102 Lift sling