TASK 72-32-53-440-001-A00 No. 1 Bearing Front Face Seal Assembly - Assemble, Assembly-001

DMC:V2500-A1-72-32-5300-00A-710A-B|Issue No:002.00|Issue Date:2020-08-01

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

Common Information

TASK 72-32-53-440-001-A00 No. 1 Bearing Front Face Seal Assembly - Assemble, Assembly-001

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.

For all parts identified in a different Chapter/Section/Subject, the applicable Chapter/Section/Subject comes before the Fig/item number.

For standard torque data and procedures, refer to the SPM TASK 70-41-00-400-501 and SPM TASK 70-41-02-400-501.

Special torque data and assembly tolerances are included in this procedure.

Lubricate all threads and abutment faces of nuts and bolts with CoMat 10-077 APPROVED ENGINE OILS, unless other lubricants are referred to in the procedure.

To identify, lubricate and install seal rings, refer to the SPM TASK 70-44-01-400-501.

The number for each radial location must be identified in a clockwise direction. These start at the engine top position when you look from the rear of the engine, unless stated differently in the 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 1P16188 Fixture0AM53IAE 1P161881

(Pre SBE 72-0132)

IAE 1P16357 Fixture0AM53IAE 1P163571

(SBE 72-0132)

IAE 6F10029 Air flow test cart0AM53IAE 6F100291

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 10-077 APPROVED ENGINE OILSX333XCoMat 10-077

Spares

NameManufacturerPart Number / IdentificationQuantityRemark
Cotter pins4

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-32-53-440-051-A00 Assemble the No. 1 Bearing Seal Assembly (01-105) (Pre SBE 72-0132)

    2. Put the seal ring holder assembly (01-200) on the bench flange down.

    3. Find the offset pin in the seal ring holder assembly.

      4. Install the seal ring (01-340) in the seal ring holder assembly.

      1. Put the large outside diameter of the seal ring at the lower end of the seal ring holder assembly.

      2. Position the seal ring with the gap 180 degrees from the offset pin in the seal ring holder assembly.

    5. Install the sleeve spacers (01-280) to the two pins that are almost 90 degrees from both sides of the offset pin.

    6. Install the springs (01-320) in the seal ring holder assembly.

      7. Install the No. 1 bearing face seal (01-150) in the seal ring holder assembly.

      1. Put the No. 1 bearing face seal over the seal ring holder assembly.

      2. Align the offset slot with the offset pin and the wide slots with the pins which have the sleeve spacers.

      3. Lower the No. 1 bearing face seal on to the seal ring holder assembly.

      4. Put the guides on the No. 1 bearing face seal on to the springs in the seal ring holder assembly.

      5. Engage the two parts.

    8. Install the retaining collars (01-300) on the pins.

      NOTE

      Do not bend the cotter pins until the pressure test is done.

    9. Install (01-360) cotter pins 4 off through the holes in the pins.

    2. SUBTASK 72-32-53-440-051-B00 Assemble the No. 1 Bearing Seal Assembly (01-105) (SBE 72-0132)

    2. Put the seal ring holder assembly (01-200) on the bench flange down.

    3. CAUTION

      WHEN YOU HANDLE AND INSTALL THE SEAL RING, MAKE SURE YOU DO NOT PINCH OR DAMAGE THE SEAL RING.

      Find the offset pin in the seal ring holder assembly.

      NOTE

      Check the fit of cotter pins into the pin holes before assembling the Bearing Seal Assembly. As necessary, increase pin hole diameter per Repair, VRS3505 TASK 72-32-53-300-018 (REPAIR-018).

      4. Install the seal ring (01-340) in the seal ring holder assembly.

      1. Install the seal ring with the open side up.

    5. Install the sleeve spacers (01-280) to the two pins that are almost 90 degrees from both sides of the offset pin.

    6. Install the springs (01-320) in the seal ring holder assembly.

      7. Install the No. 1 bearing face seal (01-150) in the seal ring holder assembly.

      1. Put the No. 1 bearing face seal over the seal ring holder assembly.

      2. Align the offset slot with the offset pin and the wide slots with the pins which have the sleeve spacers.

      3. Lower the No. 1 bearing face seal on to the seal ring holder assembly.

      4. Put the guides on the No. 1 bearing face seal on to the springs in the seal ring holder assembly.

      5. Engage the two parts.

    8. Install the retaining collars (01-300) on the pins.

      NOTE

      Do not bend the cotter pins until the pressure test is done.

    9. Install (01-360) cotter pins 4 off through the hotel in the pins.

    3. SUBTASK 72-32-53-440-052-A00 Install the No. 1 Bearing Front Oil Seal in to the Fixture, (Pre SBE 72-0132)

    1. Refer to Figure and Figure.

    2. Remove the cover from the IAE 1P16188 Fixture 1 off and make an inspection of the rubber rings and the neoprene seal surfaces.

    3. Remove the sealing ring clamp ring from the fixture.

    4. Remove the sealing ring assembly and make an inspection of the micro finish for nicks and scratches.

      NOTE

      A No. 1 bearing seal seat (01-450) can be used in place of the sealing ring assembly.

    5. Install the sealing ring assembly with the micro finish up, in to the fixture.

    6. Install the sealing ring clamp over the sealing ring assembly.

    7. Attach the sealing ring clamp with the cap screws.

    8. Carefully lower the No. 1 bearing front oil seal in to the fixture until the face of the seal touches the fixture sealing ring assembly.

    9. Install the cover on the fixture.

    10. Install and tighten the retaining bolts.

    11. Install and tighten the large hexagonal nut on the center post.

      NOTE

      Hoses are different sizes to eliminate the risk of error.

    12. Connect the hoses from the IAE 6F10029 Air flow test cart 1 off to the fixture.

    4. SUBTASK 72-32-53-440-052-B00 Install the No. 1 Bearing Front Oil Seal into the Fixture, (SBE 72-0132)

    1. Refer to Figure and Figure.

    2. Remove the cover from the IAE 1P16357 Fixture 1 off and make an inspection of the rubber rings and the neoprene seal surfaces.

    3. Remove the sealing ring clamp from the fixture.

    4. Remove the sealing ring assembly and make an inspection of the micro finish for nicks and scratches.

      NOTE

      A No. 1 bearing seal seat (01-450) can be used in place of the sealing ring assembly.

    5. Install the sealing ring assembly with the micro finish up, into the fixture.

    6. Install the sealing ring clamp over the sealing ring assembly.

    7. Attach the sealing ring clamp with the cap screws.

    8. Carefully lower the No. 1 bearing front oil seal into the fixture until the face of the seal touches the fixture sealing ring assembly.

    9. Install the cover on the fixture.

    10. Install and tighten the retaining bolts.

    11. Install and tighten the large hexagonal nut on the center post.

      NOTE

      Hoses are different sizes to eliminate the risk of error.

    12. Connect the hoses from the IAE 6F10029 Air flow test cart 1 off to the fixture.

    5. SUBTASK 72-32-53-720-051-A00 Do a Check for Leakage of the No. 1 Bearing Front Oil Seal, (Pre SBE 72-0132)

    1. Refer to Figure and Figure.

      2. Do the air flow check of the oil seal assembly with the procedure in Step or the procedure in Step.

      1. With the air pressure at 80 psi (551.6 KPa) the leakage shall not be more than 5.5 cubic feet (0.16 cubic meters) for each minute of free air when Dimension D is 0.850 to 0.880in. (21.59 to 22.35 mm).

      2. With the air pressure at 50 psi (344.7 KPa) the leakage shall not be more than 3.4 cubic feet (0.10 cubic meters) for each minute of free air when Dimension D is 0.850 to 0.880in. (21.59 to 22.35 mm).

      3. If leakage exceeds limits do Step and Step.

      3. Remove the seal, turn the sealing ring assembly over, and do a check for seal ring leakage.

      1. Relieve the air pressure.

      2. Remove the retaining bolts and the large hexagonal nut from the cover.

      3. Remove the cover from the fixture.

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

      5. Remove the retaining bolts which hold the sealing ring clamp.

      6. Remove the sealing ring clamp.

      7. Remove the sealing ring assembly.

      8. Turn the sealing ring assembly so the neoprene seal is up.

      9. Install the sealing ring assembly.

      10. Install the sealing ring clamp.

      11. Install the retaining bolts which hold the clamp ring. Tighten the bolts.

      12. Install the No. 1 bearing front oil seal so that the face of the seal touches the seal plate.

      13. Install the cover and large hexagonal nut on the center post.

      14. Install and tighten the cover bolts and the large hexagonal nut.

      4. Do a check for leakage of the seal ring.

      1. Apply air pressure at 80 psi (551.6 kPa) and check the air flow.

      2. If the seal still leaks there is leakage past the seal ring. Refer to Step.

      3. If leakage is now within limits on the seal ring, the No. 1 face seal is not properly engaged on the sealing plate. Refer to Step.

    5. Replace or repair the seal ring if there is leakage past the seal ring.

      6. If there is leakage past the face seal of the No. 1 bearing front oil seal, do these steps:

      1. Remove the No. 1 bearing front oil seal from the fixture as given in Step through Step.

      2. Compress and release the face seal to make sure that it is not sideways, or so that it can not move freely.

      3. Remove the face seal from the No. 1 bearing front oil seal and lap it, if necessary.

    7. Assemble the No. 1 bearing front oil seal, refer to SUBTASK 72-32-53-440-051.

    8. Install the No. 1 bearing front oil seal in to the fixture, refer to SUBTASK 72-32-53-440-052-A01.

    9. Do a check for leakage as given in Step.

    10. Remove the No. 1 bearing front oil seal from the fixture.

    6. SUBTASK 72-32-53-720-051-B00 Do a Check for Leakage of the No. 1 Bearing Front Oil Seal (SBE 72-0132)

    1. Refer to Figure and Figure.

      2. Do the air flow check of the oil seal assembly with the procedure in Step.

      1. With the air pressure at 25 psi (172.4 kPa) the leakage must not be more than 2.5 cubic feet (0.08 cubic meters) for each minute of free air when Dimension D is 1.530 to 1.560 in. (38.86 to 39.62 mm).

      2. If leakage exceeds the limits, do Step and Step.

      3. Remove the seal, turn the sealing ring assembly over, and do a check for sealing ring leakage.

      1. Relieve the air pressure.

      2. Remove the retaining bolts and the large hexagonal nut from the cover.

      3. Remove the cover from the fixture.

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

      5. Remove the retaining bolts which hold the sealing ring clamp.

      6. Remove the sealing ring clamp.

      7. Remove the sealing ring assembly.

      8. Turn the sealing ring assembly so the neoprene seal is up.

      9. Install the sealing ring assembly.

      10. Install the sealing ring clamp.

      11. Install the retaining bolts which hold the clamp ring. Tighten the bolts.

      12. Install the No. 1 bearing front oil seal so that the face of the seal touches the seal plate.

      13. Install the cover and large hexagonal nut on the center post.

      14. Install and tighten the cover bolts and the large hexagonal nut.

      4. Do a check for leakage of the seal ring.

      1. Apply air pressure at 25 psi (172.4 kPa) and check the air flow.

      2. If the seal still leaks, there is leakage past the seal ring. Refer to Step.

      3. If leakage is now in the limits on the seal ring, the No. 1 bearing face seal is not properly engaged on the sealing plate. Refer to Step.

    5. Replace or repair the seal ring if there is leakage past the seal ring.

      6. If there is leakage past the face seal of the No. 1 bearing front oil seal, do these steps:

      1. Remove the No. 1 bearing front oil seal from the fixture as given in Step through Step.

      2. Compress and release the face seal to make sure that it is not sideways, or so that it cannot move freely.

      3. Remove the face seal from the No. 1 bearing front oil seal and lap it, if necessary.

    7. Assemble the No. 1 bearing front oil seal. Refer to SUBTASK 72-32-53-440-051.

    8. Install the No. 1 bearing front oil seal into the fixture. Refer to SUBTASK 72-32-53-440-052-B01.

    9. Do a check for leakage as given in Step.

    10. Remove the No. 1 bearing front oil seal from the fixture.

    7. Figure: Assemble the No. 1 Bearing Front Oil Seal

    Assemble the No. 1 Bearing Front Oil Seal

    Figure: Find the Offset Pin in the Seal Ring Holder Assembly

    Find the Offset Pin in the Seal Ring Holder Assembly

    Figure: Install the Seal Ring in the Seal Ring Holder Assembly

    Install the Seal Ring in the Seal Ring Holder Assembly

    Figure: Install the Springs in the Seal Ring Holder Assembly

    Install the Springs in the Seal Ring Holder Assembly

    Figure: Install the Face Seal on to the Seal Ring Holder Assembly

    Install the Face Seal on to the Seal Ring Holder Assembly

    Figure: Install the Retaining Collars and the Cotter Pins

    Install the Retaining Collars and the Cotter Pins

    Figure: Pre SBE 72-0132: Install the No. 1 Bearing Front Oil Seal in to the IAE 1P16188 Fixture

    Pre SBE 72-0132: Install the No. 1 Bearing Front Oil Seal in to the IAE 1P16188 Fixture

    Figure: SBE 72-0132: Install the No. 1 Bearing Front Oil Seal in to the IAE 1P16357 Fixture

    SBE 72-0132: Install the No. 1 Bearing Front Oil Seal in to the IAE 1P16357 Fixture

    Figure: Dimensions for Pressure Checking the Seal

    Dimensions for Pressure Checking the Seal

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Added note and revised caution. (19VC512)

Link not Found
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:X333X
Enterprise Name:REFER TO V2500 SB ENG-79-0108
Link not Found
Manufacturer Code:X333X
Supply Number:CoMat 10-077
Type:sp01
Supply Short Name:CoMat 10-077 APPROVED ENGINE OILS
Supply Name:CoMat 10-077 APPROVED ENGINE OILS
Specification Groups:
Doc NumberType
For V2500-A1/A5/D5 models - Refer to V2500 Service Bulletin ENG-79-0108
For V2500-E5 model - Refer to Service Bulletin E5-79-0001
Suppliers:
ManufacturerRemarks
X333X
Manufacturer Code:0AM53
Tool Number:IAE 1P16188
Tool Name:IAE 1P16188 Fixture
Manufacturer Code:0AM53
Tool Number:IAE 1P16357
Tool Name:IAE 1P16357 Fixture
Manufacturer Code:0AM53
Tool Number:IAE 6F10029
Tool Name:IAE 6F10029 Air flow test cart