TASK 79-21-41-300-035 Replace The Identification Plate Of The Oil Pressure Pump Casing - Repair 035 (VRS5702)

DMC:V2500-A0-79-21-4100-03A-920A-C|Issue No:001.00|Issue Date:2016-02-01

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 79-21-41-300-035 Replace The Identification Plate Of The Oil Pressure Pump Casing - Repair 035 (VRS5702)

Effectivity

FIG/ITEM

PART NO.

SERVICE BULLETIN

01-750

4A7304

Pre SB 79-0101

01-750A

4A7304A

Post SB 79-0101

Material of component

PART IDENT

SYMBOL

MATERIAL

Oil Pump Assembly Casing

-

A357-T61

General

Price and availability - none

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

This repair procedure can be carried out once on each casing assembly.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
Workshop inspection equipmentLOCALWorkshop inspection equipment
Fluorescent Penetrant Inspection EquipmentLOCALFluorescent Penetrant Inspection Equipment
Drilling equipmentLOCALDrilling equipment
Vibrating Marking PencilLOCALVibrating Marking Pencil
Vibro-engraving equipmentLOCALVibro-engraving equipment

Consumables, Materials and Expendables

NONE

Spares

NameManufacturerPart Number / IdentificationQuantityRemark
PLATE - IDENTIFICATION0AM534P72391 (Pre SB 79-0101)

Fig/Item 01-850

PLATE - IDENTIFICATION0AM534P73741 (Post SB 79-0101)

Fig/Item 01-850A

ScrewLOCALMS21318-12

Fig/Item 01-855

Safety Requirements

NONE

Procedure

    1. SUBTASK 79-21-41-350-001 Remove the Identification Plate from the Oil Pressure Pump Casing

    1. Refer to Figure and Figure.

      2. Remove the screws with the use of standard tools.

      1. Drill or grind off heads.

      2. Do not damage casing during this procedure.

    3. Remove the identification plate.

      NOTE

      Record part number and serial number of the pump before identification plate disassembly.

    2. SUBTASK 79-21-41-220-001 Visually Inspect Local Surfaces

      1. Nicks, scores, dents or scratches.

        1. All quantity, length not more than 0.035 in. (0.889 mm) in depth is permitted.

        1. Accept

        2. More than Step.

        1. Refer to VRS5305, TASK 79-21-41-300-003 (Repair-003).

      2. If old screws are not removed, apply Step to Step.

      1. If old screws are removed, apply Step, Step to Step.

    3. SUBTASK 79-21-41-320-001 Drill Holes in the New Identification Plate

    1. Refer to Figure.

      2. Drill the holes.

      1. Use standard Drilling equipment. Make sure the diameter of each hole is not more than 0.060 in. (1.524 mm).

    4. SUBTASK 79-21-41-320-002 Drill New Holes in the Casing Assembly

    1. Refer to Figure.

      2. Mark the position of the holes.

      1. Use the identification plate as marking mask. Make sure the identification plate is aligned correctly before drilling new holes.

        NOTE

        Apply this step only if old screws can not be removed.

      3. WARNING

        DRILLING BEYOND MAXIMUM DRILLING DEPTH CAN CAUSE SERIOUS DAMAGE TO THE PUMP HOUSING AND OIL LEAK.

        Drill the new holes.

      1. Use standard Drilling equipment. Hole diameter is between 0.049 in. and 0.05 in. (1.245 mm and 1.270 mm). Hole depth is between 0.134 in. and 0.142 in. (3.404 mm and 3.607 mm).

    5. SUBTASK 79-21-41-350-002 Vibro-engrave the Data on the New Identification Plate

      1. Mark the pump data on the identification plate.

      1. Refer to the SPM, SUBTASK 70-09-00-400-001.

    6. SUBTASK 79-21-41-350-003 Install the Identification Plate on the Casing Assembly

      1. Align the plate on the seat.

      2. Press in the screws.

      1. Use standard tools. Do not bend the screws. Do not damage the plate.

      3. Inspect the plate.

      1. Make sure the plate is firmly seated.

    7. SUBTASK 79-21-41-350-004 Identify the Repair

      1. Mark VRS5702 adjacent to the part number. Use Vibro-engraving equipment.

      1. Refer to the SPM, SUBTASK 70-09-00-400-001.

    8. Figure: Drill Holes In The New Identification Plate

    Drill Holes In The New Identification Plate

    Figure: Drill New Holes In The Casing Assembly

    Drill New Holes In The Casing Assembly

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Added new Repair-035 task. (14VF895)

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
Part Number:4P7239
Part Name:PLATE - IDENTIFICATION
Manufacturer Code:0AM53
Part Number:4P7374
Part Name:PLATE - IDENTIFICATION
Manufacturer Code:0AM53
Link not Found
Manufacturer Code:LOCAL
Tool Number:Drilling equipment
Tool Name:Drilling equipment
Link not Found
Manufacturer Code:LOCAL
Tool Number:Vibrating Marking Pencil
Tool Name:Vibrating Marking Pencil
Manufacturer Code:LOCAL
Tool Number:Vibro-engraving equipment
Tool Name:Vibro-engraving equipment
Manufacturer Code:LOCAL
Tool Number:Workshop inspection equipment
Tool Name:Workshop inspection equipment