TASK 72-60-28-440-001 Generator Drive Gear And Housing Assembly - Assemble The Gear And Housing Assembly, Assembly-001

DMC:V2500-A0-72-60-2800-00A-710A-B|Issue No:003.00|Issue Date:2021-08-01

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

All

Common Information

TASK 72-60-28-440-001 Generator Drive Gear And Housing Assembly - Assemble The Gear And Housing Assembly, 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 SPM TASK 70-41-00-400-501 and TASK 70-41-02-400-501.

Special torque data and assembly tolerances are included in the 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 SPM TASK 70-44-01-400-501.

After assembly apply CoMat 07-012 AIR DRYING ENAMEL to any damaged surface protection, joint flanges and attach parts. Use the correct color of the air drying enamel. Refer to SPM TASK 70-38-06-380-501 .

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
Arbor PressLOCALArbor press
Hot Air GunLOCALHot Air Gun
OvenLOCALOven
IAE 1F10001 Pusher0AM53IAE 1F100011
IAE 1F10197 Base, installation0AM53IAE 1F101971
IAE 1F10230 Drift, installation0AM53IAE 1F102301
IAE 1F10198 Base, installation0AM53IAE 1F101981
IAE 1F10188 Drift, installation0AM53IAE 1F101881
IAE 1F10165 Base, installation0AM53IAE 1F101651
IAE 1F10161 Pusher, Install/remove0AM53IAE 1F101611

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 10-077 APPROVED ENGINE OILSLOCALCoMat 10-077
CoMat 07-012 AIR DRYING ENAMEL0AM53CoMat 07-012

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-60-28-440-051 Install the Carbon Seal in to the Seal Housing

    1. Refer to Figure.

    2. Put the seal housing in to oven and increase the temperature to 250 deg F (121 deg C) maximum.

    3. WARNING

      DO NOT TOUCH THE HOT PARTS WITHOUT PROTECTIVE GLOVES.
      HOT PARTS CAN CAUSE REDDENING AND BLISTERING OF THE SKIN IF THE HANDS ARE NOT PROTECTED.
      IMMERSE THE CONTACTED AREA IN COLD WATER FOR 10 MINUTES IF THE SKIN IS BURNED. IMMEDIATELY GET THE MEDICAL ATTENTION IF PAIN OR BLISTERING PERSISTS.

      Install the seal housing on the adapter of IAE 1F10001 Pusher 1 off with the smaller ID to the bottom.

    4. Put the carbon seal over the seal housing with the carbon face to the top. Push the drift until the carbon seal is fully installed in to the seal housing.

    5. Remove the drift and the seal housing from the adapter.

    2. SUBTASK 72-60-28-440-052 Install the Inner Race of the Roller Bearing (01-590) on the Gearshaft

    1. Refer to Figure.

    2. Install the gearshaft on IAE 1F10197 Base, installation 1 off with the internal splined end to the bottom.

    3. Put the inner race of the roller bearing in to oven and increase the temperature to 250 deg F (121 deg C) maximum.

    4. WARNING

      DO NOT TOUCH THE HOT PARTS WITHOUT PROTECTIVE GLOVES.
      HOT PARTS CAN CAUSE REDDENING AND BLISTERING OF THE SKIN IF THE HANDS ARE NOT PROTECTED.
      IMMERSE THE CONTACTED AREA IN COLD WATER FOR 10 MINUTES IF THE SKIN IS BURNED. IMMEDIATELY GET THE MEDICAL ATTENTION IF PAIN OR BLISTERING PERSISTS.

      Put the inner race of the roller bearing on the guide bush of IAE 1F10230 Drift, installation 1 off.

    5. Put the guide bush of the drift in to the ID of the gearshaft.

    6. Push the drift until the inner race of the roller bearing touch the shoulder of the gearshaft. Use arbor press or equivalent. Apply a load of 3147 lbf (14000 N).

    7. Remove the drift from the gearshaft.

    8. Let the inner race of the roller bearing get to the room temperature. Make sure the inner race of the roller bearing is correctly installed on the gearshaft.

    9. Remove the gearshaft from the base.

    3. SUBTASK 72-60-28-440-053 Install the Inner Race of the Roller Bearing (01-370) on the Gearshaft

    1. Refer to Figure.

    2. Install the gearshaft on IAE 1F10198 Base, installation 1 off with the internal splined end to the top.

    3. Put the inner race of the roller bearing in to oven and increase the temperature to about 250 deg F (121 deg C).

    4. WARNING

      DO NOT TOUCH THE HOT PARTS WITHOUT PROTECTIVE GLOVES.
      HOT PARTS CAN CAUSE REDDENING AND BLISTERING OF THE SKIN IF THE HANDS ARE NOT PROTECTED.
      IMMERSE THE CONTACTED AREA IN COLD WATER FOR 10 MINUTES IF THE SKIN IS BURNED. IMMEDIATELY GET THE MEDICAL ATTENTION IF PAIN OR BLISTERING PERSISTS.

      Put the inner race of the roller bearing on the gearshaft.

    5. Put IAE 1F10188 Drift, installation 1 off on the inner race of the roller bearing with the guide pusher of the drift in to the ID of the gearshaft.

    6. Push the drift until the inner race of the roller bearing touch the shoulder of the gearshaft. Use arbor press or equivalent. Apply a load of 3147 lbf (14000 N).

    7. Remove the drift from the gearshaft.

    8. Let the inner race of the roller bearing get to the room temperature. Make sure the inner race of the roller bearing is correctly installed on the gearshaft.

    9. Remove the gearshaft from the base.

    4. SUBTASK 72-60-28-440-054 Install the Outer Race of the Roller Bearing on the IDG Housing

    1. Install the IDG housing on IAE 1F10165 Base, installation 1 off.

    2. Install the outer race of the roller bearing on the IDG housing. Use IAE 1F10161 Pusher, Install/remove 1 off. If this is not easy go to operation C.

    3. WARNING

      DO NOT TOUCH THE HOT PARTS WITHOUT PROTECTIVE GLOVES.
      HOT PARTS CAN CAUSE REDDENING AND BLISTERING OF THE SKIN IF THE HANDS ARE NOT PROTECTED.
      IMMERSE THE CONTACTED AREA IN COLD WATER FOR 10 MINUTES IF THE SKIN IS BURNED. IMMEDIATELY GET THE MEDICAL ATTENTION IF PAIN OR BLISTERING PERSISTS.

      If operation B is not easy, locally increase the temperature of the bearing housing to 250 deg F (121 deg C) maximum. Use hot air gun.

    4. Install the three nuts which attach the outer race of the roller bearing on the IDG housing. Torque to 85 lbfin to 95 lbfin (9.604 Nm to 10.734 Nm).

    5. Remove the IDG housing from the base.

    5. Figure: Install the carbon seal in to the seal housing

    Install the carbon seal in to the seal housing

    Figure: Install the inner races of the roller bearing on the gearshaft

    Install the inner races of the roller bearing on the gearshaft

    Figure: Install the inner races of the roller bearing on the gearshaft

    Install the inner races of the roller bearing on the gearshaft

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Revised the procedural steps. (21VC128)

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:0AM53
Supply Number:CoMat 07-012
Type:sp01
Supply Short Name:CoMat 07-012 AIR DRYING ENAMEL
Supply Name:CoMat 07-012 AIR DRYING ENAMEL
Specification Groups:
Doc NumberType
USE COMAT 07-038
Suppliers:
ManufacturerRemarks
0AM53
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:LOCAL
Tool Number:Arbor press
Tool Name:Arbor Press
Manufacturer Code:LOCAL
Tool Number:Hot Air Gun
Tool Name:Hot Air Gun
Manufacturer Code:0AM53
Tool Number:IAE 1F10001
Tool Name:IAE 1F10001 Pusher
Manufacturer Code:0AM53
Tool Number:IAE 1F10161
Tool Name:IAE 1F10161 Pusher, Install/remove
Manufacturer Code:0AM53
Tool Number:IAE 1F10165
Tool Name:IAE 1F10165 Base, installation
Manufacturer Code:0AM53
Tool Number:IAE 1F10188
Tool Name:IAE 1F10188 Drift, installation
Manufacturer Code:0AM53
Tool Number:IAE 1F10197
Tool Name:IAE 1F10197 Base, installation
Manufacturer Code:0AM53
Tool Number:IAE 1F10198
Tool Name:IAE 1F10198 Base, installation
Manufacturer Code:0AM53
Tool Number:IAE 1F10230
Tool Name:IAE 1F10230 Drift, installation
Manufacturer Code:LOCAL
Tool Number:Oven
Tool Name:Oven