TASK 72-32-00-030-009-B00 LPC/Intermediate Case Module - Remove The No. 1 Bearing Front Seal Support And The No.1 Bearing Compartment Scavenge Oil Tube, Disassembly-009 - SBE 72-0132

DMC:V2500-A1-72-32-0000-09B-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 Post SBE 72-0132

Common Information

TASK 72-32-00-030-009-B00 LPC/Intermediate Case Module - Remove The No. 1 Bearing Front Seal Support And The No.1 Bearing Compartment Scavenge Oil Tube, Disassembly-009 - SBE 72-0132

General

This TASK gives the procedure to remove the seal support and the No.1 bearing compartment scavenge oil tube.

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.

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 1J12462 Seal holder0AM53IAE 1J124621

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-32-00-030-167 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) removed in this SUBTASK.

      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 72-32-00-030-168-A00 Remove the No. 1 Bearing Front Seal Support from the No. 1 Bearing Support (Pre SBE 72-0391)

    1. Refer to Figure.

      2. Install IAE 1J12462 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. Release the No. 1 bearing front seal support from the No. 1 bearing support.

      1. Remove the 21 nuts, bolts and washers which attach the No. 1 bearing front seal support to the No. 1 bearing support.

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

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

      4. Remove the puller bolts from the No. 1 bearing front support.

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

    6. 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.

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

      1. Remove the 18 bolts and washers which attach 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 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.

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

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

    3. SUBTASK 72-32-00-030-168-B00 Remove the No. 1 Bearing Front Seal Support from the No. 1 Bearing Support (SBE 72-0391)

      SBE 72-0391: New separate type No. 1 bearing support assembly

    1. Refer to Figure.

      2. Install IAE 1J12462 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. Release the No. 1 bearing front seal support from the No. 1 bearing support.

      1. Remove the 21 nuts, the 42 washers and the 21 bolts which attach the No. 1 bearing front seal support to the No. 1 bearing support.

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

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

      4. Remove the puller bolts from the No. 1 bearing front support.

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

    6. 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.

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

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

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

      3. Tighten the three puller bolts 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.

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

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

    4. 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 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 1J12462
Tool Name:IAE 1J12462 Seal holder