TASK 72-60-28-200-005 Generator Drive Gear Bearings - Examine, Inspection-005

DMC:V2500-A0-72-60-2802-00A-300A-C|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 72-60-28-200-005 Generator Drive Gear Bearings - Examine, Inspection-005

Effectivity

FIG/ITEM

PART NO.

01-370

4T0168

01-370

7T7100

01-370

7T7102

General

This TASK gives the procedure for the inspection of the roller bearing.

Fig/item numbers in parentheses in the procedure agree with those used in the IPC.

The policy that is necessary for inspection is given in the SPM TASK 70-20-01-200-501.

All the parts must be cleaned before any part is examined. Refer to the SPM TASK 70-10-00-100-501.

All parts must be visually examined for damage, corrosion and wear. Any defects that are not identified in the procedure must be referred to IAE.

The practices and processes referred to in the procedure by the TASK number are in the SPM.

References

Refer to the SPM for data on these items:

Definition of Damage, SPM TASK 70-02-02-350-501, Record and Control of the Lives of the Parts, SPM TASK 70-05-00-220-501, Inspection of Parts, SPM TASK 70-20-01-200-501.

Some data on these items is contained in this TASK. For more data on these items refer to the SPM:

Surface Protection.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Workshop inspection equipmentLOCALWorkshop inspection equipment
Bearing radial clearance gageLOCALBearing radial clearance gage

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-60-28-220-113 Examine the Roller Bearing (01-370)

      1. Examine the roller bearing for general damages

      1. Refer to the SPM TASK 70-29-01-290-501.

    2. SUBTASK 72-60-28-220-114 Examine the Roller Bearing (01-370) Outer Diameter at Location 1

    1. Refer to Figure.

      2. Diameter.

        1. Between 3.1890 and 3.1884 in. (81.000 and 80.985 mm)

        1. Accept

        2. Less than 3.1884 in. (80.985 mm)

        1. Reject

    3. SUBTASK 72-60-28-220-115 Examine the Roller Bearing (01-370) Inner Diameter at Location 2

    1. Refer to Figure.

      2. Diameter.

        1. Between 2.1256 and 2.1260 in. (53.991 and 54.000 mm)

        1. Accept

        2. More than 2.1260 in. (54.000 mm)

        1. Reject

    4. SUBTASK 72-60-28-220-116 Examine the Roller Bearing (01-370) Inner Radial Clearance

    1. Refer to Figure.

      2. Measure the inner radial clearance; apply a load of 11 lb (5 kg).

        1. Between 0.0020 and 0.0028 in. (0.050 and 0.070 mm)

        1. Accept

        2. More than 0.0028 in. (0.070 mm)

        1. Reject

    5. SUBTASK 72-60-28-620-052 Preserve the Roller Bearing (01-100)

      1. Preserve the bearing

      1. Refer to the SPM TASK 70-53-01-620-501.

    6. Figure: Locations - Roller bearing

    Locations - Roller bearing

Requirements After Job Completion

Follow-On Conditions

NONE
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Link not Found
Manufacturer Code:LOCAL
Tool Number:Workshop inspection equipment
Tool Name:Workshop inspection equipment