TASK 72-00-50-450-003 LPT Module Components - Install The No.4 Bearing Compartment Air Cooler, Installation-012

DMC:V2500-A0-72-00-5050-02A-720A-B|Issue No:001.00|Issue Date:2014-05-01

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 72-00-50-450-003 LPT Module Components - Install The No.4 Bearing Compartment Air Cooler, Installation-012

General

This TASK gives the procedure to install the No. 4 bearing compartment air cooler.

For all parts identified in a different Chapter/Section/Subject, the applicable Chapter/Section/Subject comes before the Fig/item number.

Lubricate all threads and abutment faces of nuts and bolts with CoMat 10-039 ENGINE OIL, unless other lubricants are referred to in the procedure.

For the torque tightening procedures, refer to the SPM TASK 70-41-00-400-501 and SPM TASK 70-41-01-400-501.

After assembly apply CoMat 07-038 AIR DRYING ENAMEL to any damaged surface protection, joint flanges and attach parts. Use the correct color of the air dying enamel. Refer to the SPM TASK 70-38-21-380-501.

For lockwire data and procedures refer to the SPM TASK 70-42-05-400-501.

NOTE

To identify the consumable materials refer to the PCI.

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NONE

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 02-119 LOCKWIRELOCALCoMat 02-119
CoMat 07-038 AIR DRYING ENAMELK3504CoMat 07-038
CoMat 10-039 ENGINE OILLOCALCoMat 10-039

Spares

NameManufacturerPart Number / IdentificationQuantityRemark
Seal1
Washer1
Washer1

Safety Requirements

NONE

Procedure

    1. SUBTASK 72-00-50-470-051 Assemble the Air Cooler Assembly

    1. Refer to Figure.

      2. Check the mating surfaces.

      1. Make sure that the air inlet and outlet ducts mating faces on the air cooler are not damaged.

      2. Make sure that the air inlet and outlet ducts are not damaged.

      3. Assemble the ducts on to the air cooler.

      1. Put the air inlet duct in position on the air cooler and install the bolts No. 4 Bearing Compartment Cooler Air Ducts (75-22-41,01-315) and the nuts No. 4 Bearing Compartment Cooler Air Ducts (75-22-41,01-310).

      2. Put the air outlet duct in position on the air cooler and install the bolts No. 4 Bearing Compartment Cooler Air Ducts (75-22-41, 01-415) and the nuts No. 4 Bearing Compartment Cooler Air Ducts (75-22-41, 01-410).

      3. Torque the nuts No. 4 Bearing Compartment Cooler Air Ducts (75-22-41, 01-310) and No. 4 Bearing Compartment Cooler Air Ducts (75-22-41, 01-410) to between 85 and 105 lbfin. (9.6 and 11.9 Nm).

    2. SUBTASK 72-00-50-450-051 Install the Air Cooler Assembly

    1. Refer to Figure.

      2. Check the mating surfaces.

      1. Make sure that the cold air buffer air tubes Bearing Compartment Cooling And Sealing Air Tubes (75-22-49, 08-100) and AIR-BEARING COMPARTMENT COOLING & SEALING TUBES (75-22-49, 10-100) mating surfaces on the air cooler are not damaged.

    3. Remove the caps from all openings.

      4. Install the air cooler assembly to the engine case.

      1. Put the air cooler in position on the three brackets on the engine case.

      3. Torque the nuts to between 85 and 105 lbfin. (9.6 and 11.9 Nm).

      4. Measure dimension A. It must be between 0.080 and 0.118 in. (2.00 and 3.00 mm).

    3. SUBTASK 72-00-50-440-051 Connect the Cold Buffer Air Tubes

    1. Refer to Figure.

      2. Check the mating surfaces.

      1. Make sure that the air cold buffer air tubes are not damaged.

    3. Remove the caps from all openings.

      4. Install the air cold buffer air tubes.

      1. Install a new washer Bearing Compartment Cooling And Sealing Air Tubes (75-22-49, 08-108) on the cold buffer air tube Bearing Compartment Cooling And Sealing Air Tubes (75-22-49, 08-100).

      2. Align the tube with the air cooler connection and install the bolts Bearing Compartment Cooling And Sealing Air Tubes (75-22-49, 08-106).

      3. Install a new washer AIR-BEARING COMPARTMENT COOLING & SEALING TUBES (75-22-49, 10-116) on the cold buffer air tube AIR-BEARING COMPARTMENT COOLING & SEALING TUBES (75-22-49, 10-100).

      4. Align the tube with the air cooler connection and install the bolts AIR-BEARING COMPARTMENT COOLING & SEALING TUBES (75-22-49, 10-114).

      5. Torque the bolts to between 85 and 105 lbfin. (9.6 and 11.9 Nm).

    4. SUBTASK 72-00-50-440-052 Install the ACAC Duct

    1. Refer to Figure.

    2. Install a new seal ACAC Exhaust Duct And Housing (75-22-48, 01-030) on the air cooler.

    3. Put the ACAC duct ACAC Exhaust Duct And Housing (75-22-48, 01-010) on the air cooler.

    4. Install the coupling ACAC Exhaust Duct And Housing (75-22-48, 01-020).

    5. Torque the coupling to the value shown on the V-band.

    5. Figure: No. 4 Bearing Compartment Air Cooler

    Sheet 1

    Legend
    No.4 Bearing Compartment Air Cooler

    Sheet 1

    Close

    Figure: No. 4 Bearing Compartment Air Cooler

    Sheet 2

    Legend
    No.4 Bearing Compartment Air Cooler

    Sheet 2

    Close

    Figure: No. 4 Bearing Compartment Air Cooler

    Sheet 3

    Legend
    No.4 Bearing Compartment Air Cooler

    Sheet 3

    Close

Requirements After Job Completion

Follow-On Conditions

NONE
Link not Found
Manufacturer Code:K3504
Enterprise Name:INDESTRUCTIBLE PAINT CO LTD
BU Name:NULL
Street:25 PENTOS DRIVE
City:SPARKHILL
Province:BIRMINGHAM
Zip Code:B11 3TA
Country:GREAT BRITAIN
Phone Number:44-121-7022485
Fax Number:44-121-7784338
Email:sales@indestructible.co.uk
Internet:www.indestructible.co.uk
Manufacturer Code:LOCAL
Enterprise Name:LOCALLY SUPPLIED
Link not Found
Manufacturer Code:LOCAL
Supply Number:CoMat 02-119
Type:sp01
Supply Short Name:CoMat 02-119 LOCKWIRE
Supply Name:CoMat 02-119 LOCKWIRE
Specification Groups:
Doc NumberType
SAE AS9226 Part Number MS-9226-04 (0.032 IN DIA.)
Suppliers:
ManufacturerRemarks
LOCAL
51563
81343
V508V
Manufacturer Code:00BB6
Supply Number:CoMat 07-038
Type:sp01
Supply Short Name:CoMat 07-038 AIR DRYING ENAMEL
Supply Name:CoMat 07-038 AIR DRYING ENAMEL
Specification Groups:
Doc NumberType
OMAT:7/22B (RR REF)IP9138 R1
JCR-029 (JAEC REF)
Suppliers:
ManufacturerRemarks
00BB6
K3504
Manufacturer Code:LOCAL
Supply Number:CoMat 10-039
Type:sp01
Supply Short Name:
Supply Name:CoMat 10-039 ENGINE OIL
Specification Groups:
Doc NumberType
DELETED
Suppliers:
ManufacturerRemarks
LOCAL