TASK 72-00-60-050-012-A00 External Gearbox Components - Remove The PMA Drive Gear Assembly , Removal-016

DMC:V2500-A1-72-00-6050-13A-520A-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

Common Information

TASK 72-00-60-050-012-A00 External Gearbox Components - Remove The PMA Drive Gear Assembly , Removal-016

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 the 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.

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

Transportation covers/blanks must be installed immediately after the removal of components.

NOTE

To identify the consumable materials refer to the PCI.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
CapsLOCALCaps
IAE 1R18002 Wrench0AM53IAE 1R18002

Consumables, Materials and Expendables

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

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-00-60-020-097 Disconnect the ACOC Oil Tubes 119 and 122

      NOTE

      Some oil drainage could occur during this procedure. It is recommended that an applicable container be available.

    1. Refer to Figure and Figure.

    2. Disconnect the tube 119 from the tube 118. Use IAE 1R18002 Wrench 1 off.

    3. Disconnect the tube 122 from the tube 121. Use IAE 1R18002 Wrench 1 off.

    4. Remove three bolts which attach the tube 122 to the ACOC.

    5. Remove three bolts which attach the tube 119 to the ACOC.

    6. Remove the nut, washer and bolt which safety the pipe clips at clip position 0220.

    7. Remove the nut, washer and bolt which safety the pipe clips at clip position 1031.

    2. SUBTASK 72-00-60-020-098 Disconnect the Oil Tubes 121, 173 and 118 (Pre SBE 71-0110)

    1. Refer to Figure.

    2. Remove the three bolts which attach the tube 121 to the oil pressure filter. Remove and discard the preformed packing.

    3. Loosen the bolts which safety the clips of the tubes 118 and 173 at position 0333.

    4. Remove the bolt from the clip securing the tubes 121 and 118 at the clip position 0200.

    5. Remove the bolt from the clip securing the tubes 118 and 121 at the clip position 0334.

    3. SUBTASK 72-00-60-020-168 Disconnect the Oil Tubes 121, 173 and 118 (SBE 71-0110)

      SBE 71-0110: Provide rerouted oil tubes for the ACOC and the oil tank assembly

    1. Refer to Figure.

    2. Remove the three bolts which attach the tube 121 to the oil pressure filter. Remove and discard the preformed packing.

    3. Loosen the bolts which safety the clips of the tubes 118 and 173 at positions 1110, 1111, 1116 and 1117.

    4. Remove the bolt from the clip securing the tubes 121 and 118 at the clip position 0200.

    5. Remove the bolt from the clip securing the tubes 118 and 121 at the clip position 1109.

    4. SUBTASK 72-00-60-030-051 Remove the Dedicated Alternator Stator

    1. Remove the dedicated alternator stator, refer to TASK 72-00-60-050-001.

    5. SUBTASK 72-00-60-020-099 Remove the tube 184

    1. Refer to Figure.

    2. Cut and remove the wire and disconnect the tube 184 from the gearbox casing and from the PMA drive gear assembly.

    3. Remove the tube.

    6. SUBTASK 72-00-60-020-100 Remove the PMA Gear

    1. Refer to Figure.

    2. Remove the three nuts which attach the PMA drive gear assembly to PMA drive housing.

      3. Pre SBE 72-0055 and 71-0110.

      1. Pull the pipe cluster forward until the bracket disengages from the studs.

      4. SBE 72-0055 and 71-0110.

      1. Remove the two nuts which attach the bracket ENGINE-MAIN GEARBOX ASSEMBLY (72-60-10, 01-630) to the flange of the drive gear assembly.

    5. Disengage the flange of the PMA drive gear assembly from the PMA drive housing.

    6. Move the tube cluster against the fan casing. Put a plastic or wood wedge below the tube cluster to keep the tube in position.

    7. Hold the two legs of the bracket with two pairs of pliers. Move the bracket away from the flange of the PMA drive gear assembly.

    8. Remove the PMA drive gear assembly from the PMA drive housing.

    9. Remove and discard the two packings from the PMA drive gear assembly.

    7. Figure: Disconnect the ACOC oil tubes 119 and 122

    Disconnect the ACOC oil tubes 119 and 122

    Figure: Disconnect the ACOC oil tubes 119 and 122

    Disconnect the ACOC oil tubes 119 and 122

    Figure: Pre SBE 71-0110: Disconnect the oil tubes 118, 121, 173 and 184

    Pre SBE 71-0110: Disconnect the oil tubes 118, 121, 173 and 184

    Figure: SBE 71-0110: Disconnect the oil tubes 118, 121 and 173

    SBE 71-0110: Disconnect the oil tubes 118, 121 and 173

    Figure: Remove the PMA drive gear assembly

    Remove the PMA drive gear assembly

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:LOCAL
Tool Number:Caps
Tool Name:Caps
Manufacturer Code:0AM53
Tool Number:IAE 1R18002
Tool Name:IAE 1R18002 Wrench