TASK 72-32-00-030-009-A00 LPC/Intermediate Case Module - Remove The No. 1 Bearing Front Seal Support, FBC Front Air Seal Assembly, No.1 Bearing Compartment Air Tubes, And The No.1 Bearing Compartment Scavenge Oil Tube, Disassembly-009 - Pre SBE 72-0132

DMC:V2500-A1-72-32-0000-09A-530A-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

V2500-A1 AND Pre SBE 72-0132

Common Information

TASK 72-32-00-030-009-A00 LPC/Intermediate Case Module - Remove The No. 1 Bearing Front Seal Support, FBC Front Air Seal Assembly, No.1 Bearing Compartment Air Tubes, And The No.1 Bearing Compartment Scavenge Oil Tube, Disassembly-009 - Pre SBE 72-0132

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 penetrating oil before the removal of threaded parts. Let the parts soak before removal. For the approved oils and procedures, refer to the SPM TASK 70-64-00-640-501.

Discard all rubber seal rings removed in this procedure.

This TASK gives the procedure to remove the seal support, the front bearing compartment front air seal assembly, the No.1 bearing compartment air tubes and the No.1 bearing compartment scavenge oil tube.

NOTE

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

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
IAE 1J12188 Puller bolt0AM53IAE 1J121881
IAE 1J12442 Guide pin set0AM53IAE 1J124421
IAE 1J12473 Seal holder0AM53IAE 1J124731

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-32-00-030-121 Remove the No. 1 Bearing Compartment Scavenge Oil Tube

    1. Refer to Figure.

    2. Make sure that the fan frame assembly is installed, vertically with the front end up, on the turnover stand. Refer to TASK 72-32-00-030-008.

    3. NOTE

      Refer to the Pub. Ref. CMM-THD-V2500-1IA for Testing, Cleaning and Inspection of the oil tube NO.1 BEARING COMPARTMENT SCAVENGE OIL TUBE (72-32-58, 01-100).

      Remove the three bolts which attach the adapter of the oil tube to the No. 1 bearing front seal support. Remove the oil tube.

    4. Remove the sealing ring from the groove in the oil tube and discard it.

    5. Remove the sealing ring from the hole in the No. 1 bearing front seal support and discard it.

    2. SUBTASK 72-32-00-030-122 Remove the Two No. 1 Bearing Compartment Air Tubes

    1. Refer to Figure.

      2. Do Step to Step to release each air tube from the bracket.

      1. Remove the bolt and the washer which attach the outer and inner spring tension clips to the bracket.

      2. Remove the nut from the bracket.

      3. Remove the outer and inner spring tension clips and remove the plastic bushing from the air tube.

    3. NOTE

      Refer to the Pub. Ref. CMM-THD-V2500-1IA for Testing, Cleaning and Inspection of the air tubes ENGINE-NO.1 BEARING COMPARTMENT AIR TUBES (72-32-57, 01-100).

      Remove the two bolts and nuts which attach the adapter of each air tube to the No. 1 bearing front seal support. Remove the two air tubes.

    4. Remove the two sealing rings from the grooves in the air tubes and discard them.

    3. SUBTASK 72-32-00-030-123 Remove the FBC Front Air Seal from the Seal Support

    1. Refer to Figure.

    2. Remove the 18 bolts and nuts which attach the FBC front air seal to the No. 1 bearing front seal support.

    3. Install the three puller bolts (part of IAE 1J12188 Puller bolt 1 off) into the three threaded holes in the FBC front air seal.

    4. Tighten the three puller bolts equally until the FBC front air seal is released from the No. 1 bearing front seal support.

    5. Remove the puller bolts from the FBC front air seal.

    6. Remove the FBC front air seal and put it on a work bench with the rear end up.

    4. SUBTASK 72-32-00-030-124 Remove the Retaining Ring and the Brush Seal from the FBC Front Air Seal

    1. Refer to Figure.

    2. Remove the retaining ring from the groove in the FBC front air seal.

    3. Remove the brush seal from the seal FBC front air seal.

    5. SUBTASK 72-32-00-030-125 Remove the No. 1 Bearing Front Seal Support from the No.1 Bearing Support

    1. Refer to Figure.

      2. Install IAE 1J12473 Seal holder 1 off to the rotor center shaft.

      1. Align the six holes in the seal holder with six of 24 holes in the rotor center shaft.

      2. Install the six screws (part of the seal holder) into the holes. Tighten the screws.

      3. Install the three guide pins (part of IAE 1J12442 Guide pin set 1 off) into the No. 1 bearing front oil seal.

      1. Align the three holes in the lugs of the seal holder with the three threaded holes in the No. 1 bearing front oil seal.

      2. Install the three guide pins into the three threaded holes in the No. 1 bearing front oil seal through the holes in the seal holder lugs. Tighten the guide pins.

    4. Remove the four nuts and bolts which attach the two air feed brackets to the No. 1 bearing support. Remove the two air feed brackets.

      5. Release the No. 1 bearing front seal support from the No. 1 bearing support.

      1. Remove the 17 nuts and bolts which attach the seal support to the No. 1 bearing support.

      2. Release the No. 1 bearing front seal support from the No. 1 bearing support.

    6. Lift the No. 1 bearing front seal support and No. 1 bearing front oil seal until the No. 1 bearing front oil seal touches the seal holder lugs.

    7. NOTE

      Hold the weight of the No. 1 bearing front seal support and the No. 1 bearing front oil seal until the three bolts are tightened.

      Replace the three guide pins with the three bolts (part of the seal holder) and tighten the bolts.

      8. Remove the No. 1 bearing front seal support from the No. 1 bearing front oil seal.

      1. Remove the 18 bolts which attach the No. 1 bearing front seal to the No. 1 bearing front oil seal.

      2. Install the three puller bolts (part of IAE 1J12188 Puller bolt 1 off) into the three threaded holes in the No. 1 bearing front seal support.

      3. Tighten the three puller bolts equally until the No. 1 bearing front seal support is released from the No. 1 bearing front oil seal.

      4. Remove the No. 1 bearing front seal support from the No. 1 bearing front oil seal.

      5. Remove the puller bolts from the No. 1 bearing front seal support.

    9. Remove the packing from the No. 1 bearing front oil seal and discard it.

    10. Remove the sealing ring from the No. 1 bearing support and discard it.

    6. Figure: Remove the No. 1 bearing compartment scavenge oil tube

    Remove the No. 1 bearing compartment scavenge oil tube

    Figure: Remove the No. 1 bearing compartment air tubes

    Remove the No. 1 bearing compartment air tubes

    Figure: Remove the FBC front air seal from the No. 1 bearing front seal support

    Remove the FBC front air seal from the No. 1 bearing front seal support

    Figure: Remove the No. 1 bearing front seal support from the No. 1 bearing support

    Remove the No. 1 bearing front seal support from the No. 1 bearing support

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:0AM53
Tool Number:IAE 1J12188
Tool Name:IAE 1J12188 Puller bolt
Manufacturer Code:0AM53
Tool Number:IAE 1J12442
Tool Name:IAE 1J12442 Guide pin set
Manufacturer Code:0AM53
Tool Number:IAE 1J12473
Tool Name:IAE 1J12473 Seal holder