TASK 72-32-50-040-001 LP Shaft And Bearing Assembly - Disassemble The LP Shafts, No. 1 Bearing, And No. 2 Bearing Assembly, Disassembly-001

DMC:V2500-A0-72-32-5000-00A-530A-B|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 72-32-50-040-001 LP Shaft And Bearing Assembly - Disassemble The LP Shafts, No. 1 Bearing, And No. 2 Bearing Assembly, Disassembly-001

General

This TASK gives the procedure to disassemble the LP shaft, No. 1 and No. 2 bearing assembly.

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.

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

Refer to TASK 72-32-50-440-001 (ASSEMBLY) for a sectional view of the LP shaft, No. 1 and No. 2 bearing assembly.

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
Torque multiplierLOCALSWEENEY 8200
IAE 1J12333 Hooking puller0AM53IAE 1J123331
IAE 1J12335 Spanner wrench0AM53IAE 1J123351
IAE 1J12386 Restraint holder0AM53IAE 1J123861
IAE 1J12387 Work stand0AM53IAE 1J123871
IAE 1J12395 Work stand0AM53IAE 1J123951
IAE 1J12451 Hydraulic puller0AM53IAE 1J124511
IAE 1J12453 Hydraulic puller0AM53IAE 1J124531
IAE 1J12501 Turnover sling0AM53IAE 1J125011

Consumables, Materials and Expendables

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

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-32-50-040-055 Move the LP Shaft, No. 1 and No. 2 Bearing Assembly from the Storage Stand to the Restraint Holder

    1. Refer to Figure, Figure, Figure, and Figure.

    2. Install IAE 1J12386 Restraint holder 1 off on to IAE 1J12387 Work stand 1 off with the eight bolts (part of the restraint holder).

      NOTE

      These pins are parts for preventing the rotation of the LP stub shaft and rotor center assembly when you loose the No. 1 bearing plain nut in Step.

    3. Install the six pins (part of the restraint holder) in the threaded holes of the short holder.

    4. Install IAE 1J12501 Turnover sling 1 off to the assembly with the two brackets, screws, washers, nuts and hook plates (part of the turnover sling).

    5. Safety the hook plates to the pins of the brackets with the two lock pins.

    6. CAUTION

      CAREFULLY LIFT THE ASSEMBLY SO THAT THE NO. 2 ROLLER INNER BEARING DOES NOT TOUCH THE STORAGE STAND. THE STORAGE STAND CAN CAUSE DAMAGE TO THE BEARING.

      Lift the assembly until it is clear of the storage stand.

    7. Turn the assembly vertically with its front end down.

    8. Align the six holes of the holder (part of the restraint holder) with the heads of the six pins that were installed in the short holder in Step.

    9. Install the assembly on to the restraint holder.

    10. Remove the turnover sling from the assembly.

    2. SUBTASK 72-32-50-040-051 Remove the No. 2 Inner Roller Bearing and the NF Probe Phonic Wheel from the LP Stub Shaft

    1. Refer to Figure.

    2. CAUTION

      CAREFULLY INSTALL THE HOOKING PULLER SO THAT IT DOES NOT TOUCH THE NO. 2 INNER ROLLER BEARING. THE HOOKING PULLER CAN CAUSE DAMAGE TO THE NO. 2 INNER ROLLER BEARING.

      Install IAE 1J12333 Hooking puller 1 off to the LP shaft, No. 1 and No. 2 bearing assembly.

    3. Remove the No. 2 inner roller bearing and the NF probe phonic wheel from the LP stub shaft and rotor center, No. 1 bearing assembly with the hooking puller.

    4. CAUTION

      CAREFULLY REMOVE THE HOOKING PULLER SO THAT THE JAWS OF THE HOOKING PULLER DO NOT TOUCH THE NO. 2 INNER ROLLER BEARING. THE JAWS CAN CAUSE DAMAGE TO THE NO. 2 INNER ROLLER BEARING.

      Remove the hooking puller from the No. 2 inner roller bearing and the NF probe phonic wheel.

    3. SUBTASK 72-32-50-040-052 Remove the No. 1 Bearing from the Rotor Center Shaft

    1. Refer to Figure and Figure.

    2. Remove the retaining ring from the LP stub shaft assembly.

    3. Remove the lock ring from the LP stub shaft assembly.

    4. Remove the plain nut from the LP stub shaft assembly with IAE 1J12335 Spanner wrench 1 off and the Torque multiplier.

    5. Remove the spanner wrench and the torque multiplier from the plain nut.

      6. Install IAE 1J12453 Hydraulic puller 1 off to the rotor center shaft and the No. 1 bearing.

      1. CAUTION

        YOU MUST INSTALL THREE JAWS IN THE CORRECT POSITION. INCORRECT POSITION CAN CAUSE DAMAGE TO THE BALLS WHEN YOU REMOVE THE NO. 1 BEARING.

        Install the three jaws (part of the hydraulic puller) to the rotor center shaft and the No. 1 bearing and lightly tighten the six wing bolts (part of the hydraulic puller) by hand.

      2. Install the ring (part of the hydraulic puller) to three jaws.

      3. Make sure that the three jaws and the ring are in the correct positions.

      4. Tighten the six wing bolts by hand.

    7. Attach a hydraulic pump to the hydraulic cylinder.

      8. Remove the No. 1 bearing from the LP stub shaft assembly.

      1. Operate the hydraulic pump and apply the oil pressure to the hydraulic cylinder (part of the hydraulic puller).

      2. Increase the oil pressure until the No. 1 bearing is clear of the rotor center shaft.

    9. Release the oil pressure of the hydraulic pump and disconnect it from the hydraulic cylinder.

    10. Remove the hydraulic puller from the rotor center shaft.

    11. Remove the No. 1 bearing seal seat from the rotor center shaft.

    4. SUBTASK 72-32-50-040-053-A00 V2500-A1: Remove the No. 1 Bearing Seal Assembly and the Front Seal Runner from the LP Stub Shaft and Rotor Center Assembly (Pre SBE 72-0132)

    1. Refer to Figure, Figure, Figure and Figure.

    2. Remove the socket screw and remove the No. 1 bearing seal assembly from the short holder.

    3. Remove the LP stub shaft and rotor center assembly from the restraint holder.

    4. Install the LP stub shaft and rotor center assembly in to IAE 1J12395 Work stand 1 off.

    5. Remove the six pins (part of the restraint holder) from the short holder.

    6. Remove the screws and remove the short holder from the LP stub shaft and rotor center assembly.

      NOTE

      Hold the weight of the front seal runner before it is removed.

    7. Remove the screws and remove the front seal runner from the LP stub shaft and rotor center assembly.

    8. Remove the LP stub shaft and rotor center assembly from the work stand.

    9. Install the LP stub shaft and rotor center assembly on to the restraint holder.

    5. SUBTASK 72-32-50-040-053-B00 V2500-A1: Remove the No. 1 Bearing Seal Assembly and the Nut Ring from the LP Stub Shaft and Rotor Center Assembly (SBE 72-0132)

    1. Refer to Figure, Figure, Figure and Figure.

    2. Remove the socket screw and remove the No. 1 bearing seal assembly from the short holder.

    3. Remove the LP stub shaft and rotor center assembly from the restraint holder.

    4. Install the LP stub shaft and rotor center assembly in to IAE 1J12395 Work stand 1 off.

    5. Remove the six pins (part of the restraint holder) from the short holder.

    6. Remove the screws and remove the short holder from the LP stub shaft and rotor center assembly.

      NOTE

      Hold the weight of the nut ring before it is removed.

    7. Remove the screws and remove the nut ring from the LP stub shaft and rotor center assembly.

    8. Remove the LP stub shaft and rotor center assembly from the work stand.

    9. Install the LP stub shaft and rotor center assembly on to the restraint holder.

    6. SUBTASK 72-32-50-040-053-C00 V2500-A5: Remove the No. 1 Bearing Seal Assembly and the Nut Ring from the LP Stub Shaft and Rotor Center Assembly

    1. Refer to Figure, Figure and Figure.

    2. Remove the socket screw and remove the No. 1 bearing seal assembly from the short holder.

    3. Remove the LP stub shaft and rotor center assembly from the restraint holder.

    4. Install the LP stub shaft and rotor center assembly in to IAE 1J12395 Work stand 1 off.

    5. Remove the six pins (part of the restraint holder) from the short holder.

    6. Remove the screws and remove the short holder from the LP stub shaft and rotor center assembly.

      NOTE

      Hold the weight of the nut ring before it is removed.

    7. Remove the screws and remove the nut ring from the LP stub shaft and rotor center assembly.

    8. Remove the LP stub shaft and rotor center assembly from the work stand.

    9. Install the LP stub shaft and rotor center assembly on to the restraint holder.

    7. SUBTASK 72-32-50-040-054 Remove the Rotor Center Shaft from the LP Stub Shaft

    1. Refer to Figure.

    2. Use IAE 1J12451 Hydraulic puller 1 off to remove the rotor center shaft from the LP stub shaft.

    3. Remove the hydraulic puller from the rotor center shaft.

    4. Remove the seal ring from the LP stub shaft and discard it.

    5. Remove the LP stub shaft from the restraint holder.

    6. Remove the eight bolts and remove the restraint holder from the work stand.

    8. Figure: Install the Six Pins in the Threaded Holes of the Short Holder

    Sheet 1

    Legend
    Install the Six Pins in the Threaded Holes of the Short Holder

    Sheet 1

    Close

    Figure: Install the Turnover Sling to the LP Shaft, No. 1 and No. 2 Bearing Assembly

    Sheet 2

    Legend
    Install the Turnover Sling to the LP Shaft, No. 1 and No. 2 Bearing Assembly

    Sheet 2

    Close

    Figure: Align the Six Holes of the Restraint Holder with the Six Pins

    Sheet 3

    Legend
    Align the Six Holes of the Restraint Holder with the Six Pins

    Sheet 3

    Close

    Figure: Install the LP Shaft, No. 1 and No. 2 Bearing Assembly on to the Restraint Holder

    Install the LP Shaft, No. 1 and No. 2 Bearing Assembly on to the Restraint Holder

    Figure: Remove the No. 2 Inner Roller Bearing and the NF Probe Phonic Wheel from the LP Stub Shaft

    Remove the No. 2 Inner Roller Bearing and the NF Probe Phonic Wheel from the LP Stub Shaft

    Figure: Remove the Plain Nut from the Rotor Center Shaft

    Remove the Plain Nut from the Rotor Center Shaft

    Figure: Remove the No. 1 Bearing from the Rotor Center Shaft

    Remove the No. 1 Bearing from the Rotor Center Shaft

    Figure: V2500-A1 - Pre SBE 72-0132: Remove the No. 1 Bearing Seal Assembly from the Stub Shaft Assembly

    V2500-A1 - Pre SBE 72-0132: Remove the No. 1 Bearing Seal Assembly from the Stub Shaft Assembly

    Figure: V2500-A1 - Post SBE 72-0132 and V2500-A5: Remove the No. 1 Bearing Seal Assembly from the Stub Shaft Assembly

    Sheet 1

    Legend
    V2500-A1 - Post SBE 72-0132 and V2500-A5: Remove the No. 1 Bearing Seal Assembly from the Stub Shaft Assembly

    Sheet 1

    Close

    Figure: Remove the Six Pins from the Short Holder

    Sheet 2

    Legend
    Remove the Six Pins from the Short Holder

    Sheet 2

    Close

    Figure: Remove the Short Holder from the Stub Shaft and Rotor Center Assembly

    Remove the Short Holder from the Stub Shaft and Rotor Center Assembly

    Figure: Remove the Nut Ring from the Stub Shaft and Rotor Center Assembly

    Remove the Nut Ring from the Stub Shaft and Rotor Center Assembly

    Figure: Remove the Rotor Center Shaft from the LP Stub Shaft

    Remove the Rotor Center Shaft from the LP Stub Shaft

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:LOCAL
Enterprise Name:LOCALLY SUPPLIED
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 1J12333
Tool Name:IAE 1J12333 Hooking puller
Manufacturer Code:0AM53
Tool Number:IAE 1J12335
Tool Name:IAE 1J12335 Spanner wrench
Manufacturer Code:0AM53
Tool Number:IAE 1J12386
Tool Name:IAE 1J12386 Restraint holder
Manufacturer Code:0AM53
Tool Number:IAE 1J12387
Tool Name:IAE 1J12387 Work stand
Manufacturer Code:0AM53
Tool Number:IAE 1J12395
Tool Name:IAE 1J12395 Work stand
Manufacturer Code:0AM53
Tool Number:IAE 1J12451
Tool Name:IAE 1J12451 Hydraulic puller
Manufacturer Code:0AM53
Tool Number:IAE 1J12453
Tool Name:IAE 1J12453 Hydraulic puller
Manufacturer Code:0AM53
Tool Number:IAE 1J12501
Tool Name:IAE 1J12501 Turnover sling
Manufacturer Code:LOCAL
Tool Number:SWEENEY 8200
Tool Name:Torque multiplier