TASK 72-50-10-430-001-B00 LPT Case And Rotor Assembly - Assemble The LPT Stage 3 Stator Vanes And Diffuser Outer Segments, Assembly-001

DMC:V2500-A5-72-50-1000-01A-710A-B|Issue No:002.00|Issue Date:2017-05-01

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

V2500-A5

Common Information

TASK 72-50-10-430-001-B00 LPT Case And Rotor Assembly - Assemble The LPT Stage 3 Stator Vanes And Diffuser Outer Segments, 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 the SPM TASK 70-41-01-400-501 and SPM 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 10-129A ANTI-SEIZE PASTE, unless other lubricants are referred to in the procedure.

To identify, lubricate and install seal rings, refer to the SPM TASK 70-44-01-400-501.

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 drying enamel. Refer to the SPM TASK 70-63-02-630-501.

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
IAE 1F10052 Two cables sling0AM53IAE 1F100521
IAE 1M14031 Assembly stand0AM53IAE 1M140311
IAE 1M14032 Mounting plate0AM53IAE 1M140321
IAE 1M14036 Assembly fixture0AM53IAE 1M140361
IAE 1M14037 Assembly plate0AM53IAE 1M140371
IAE 1M14039 Lifting bracket0AM53IAE 1M140392
IAE 1M14040 Guide pin0AM53IAE 1M140402
IAE 1M14147 Lifting fixture0AM53IAE 1M141471

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 02-119 LOCKWIRE0AM53CoMat 02-119
CoMat 07-038 AIR DRYING ENAMELK3504CoMat 07-038
CoMat 10-062 ASSEMBLY FLUID0AM53CoMat 10-062
CoMat 10-129A ANTI-SEIZE PASTE71984CoMat 10-129A
CoMat 10-129 ANTI-SEIZE PASTE34568CoMat 10-129

Spares

NONE

Safety Requirements

WARNING

DO NOT GET ANTI-SEIZE PASTE ON YOUR SKIN WHEN YOU LUBRICATE THREADS AND ABUTMENT FACES OF NUTS AND BOLTS. WEAR PROTECTIVE GLOVES.

Procedure

    1. SUBTASK 72-50-10-430-302 Install the Assembly Plate on the Assembly Stand

    1. Put the IAE 1M14037 Assembly plate 1 off in the center of the IAE 1M14031 Assembly stand 1 off.

    2. SUBTASK 72-50-10-430-303 Lift the LP Turbine Case on to the Assembly Plate

    1. Refer to Figure.

    2. Attach the IAE 1M14039 Lifting bracket 2 off at the rear flange of the LP turbine case with the seven screws.

    3. Tighten the screws.

    4. Use hoist equipment. Install the IAE 1F10052 Two cables sling 1 off to the lifting brackets.

    5. Lift the LP turbine case with the two cables sling.

    6. Put the LP turbine case, front end down, on to the assembly plate.

    3. SUBTASK 72-50-10-430-304 Install the Diffuser Outer Duct Assembly Support

    1. Refer to Figure.

    2. Install the eight strip seals to the eight diffuser outer duct assembly supports. Use the CoMat 10-062 ASSEMBLY FLUID.

    3. Install the assembly supports to the LP turbine case. Make sure that the assembly supports are correctly in the LP turbine case slots.

    4. SUBTASK 72-50-10-430-305 Install the Stage 3 Front Heatshields

    1. Refer to Figure.

    2. Install the four front heatshield in clockwise direction into the LP turbine case. Start in top position.

    3. Align the borescope holes of the front heatshields with the borescope holes in the LP turbine case.

    5. SUBTASK 72-50-10-430-306 Prepare the Stage 3 Vanes for Assembly

    1. Refer to Figure.

    2. Check each stage 3 vane segment for total number of "+" markings on the part.

      NOTE

      The total number of vane segments which show each two "+" markings is limited to five parts per LPT module assembly. Make sure that not more than five vane segments each marked with two "+" symbols are installed per LPT module assembly.

    3. NOTE

      Make sure that all the strip seals are correctly installed in the grooves of the stage 3 vane segments.

      Install the five strip seals in the right grooves of the inner and outer platform of all the vane segments. Use CoMat 10-062 ASSEMBLY FLUID.

    4. NOTE

      Put the vane segments on to the mounting plate in the accurate sequence. Make sure that the vane segments with the borescope hole are in the position shown on the mounting plate.

      Put the vane segments on to the IAE 1M14032 Mounting plate 1 off. Engage the outer front groove of the vane segments with the annular flange of the mounting plate.

    6. SUBTASK 72-50-10-430-307 Install the Assembly Fixture on to the Assembly Plate

    1. Refer to Figure.

    2. Install the IAE 1M14036 Assembly fixture 1 off on to the assembly plate. Make sure that the dowel pin is in the guide slot in the center hole of the assembly plate. Turn the assembly fixture counterclockwise until the outer front flange touches the assembly plate.

    7. SUBTASK 72-50-10-430-308 Install the Lifting Fixture

    1. Refer to Figure and Figure.

    2. Use hoist equipment.

    3. Lift the IAE 1M14147 Lifting fixture 1 off above the stage 3 vane assembly.

      4. Install the lifting fixture as follows:

      1. Lower the lifting fixture carefully on to the stage 3 vane assembly. Put the lifting fixture in the center with the knurled pin. Make sure that the lifting fixture correctly touches the inner and outer shrouds of the stator.

      2. Turn the lifting fixture to engage the hooks through the vane clusters. The hooks must engage through the second and third vane of the vane cluster.

    5. CAUTION

      MAKE SURE THAT EACH TAIL OF THE HOOKS IS ATTACHED CORRECTLY TO THE STAGE 3 VANES. IF NOT THE PARTS CAN BE DAMAGED. THE HOOKS CAN BE SEEN THROUGH THE APERTURE OF THE LIFTING FIXTURE.

      Push the 15 hooks down. Turn the hooks by 90 degrees so that they engage the front edges of the second vane airfoils.

    6. Attach the hooks with the knurled knobs. Tighten the knobs.

    8. SUBTASK 72-50-10-430-309 Install the Stage 3 Vane Assembly in to the LP Turbine Case

    1. Refer to Figure.

      NOTE

      Make sure that not more than five vane segments each marked with two "+" symbols are installed per LPT module assembly.

    2. Install the stage 3 vane assembly with the lifting fixture 1 off into the LP turbine case.

    3. Make sure that the outer front locating dogs of the stage 3 vanes engage with the mating slots of the LP turbine case. The front inner flanges of the stage 3 vanes must touch the assembly fixture.

    4. Remove the lifting fixture.

    5. Turn the lifting shaft, part of the assembly fixture, clockwise to lift the assembly fixture. Make sure that the rear outer locating dogs of the stage 3 vanes fully engage with the mating annular slot of the LP turbine case. Make sure that the stage 3 vanes are correctly installed in the LP turbine case slots.

    9. SUBTASK 72-50-10-430-310 Prepare the Inner Duct of the Diffuser

    1. Refer to Figure.

    2. Use hoist equipment. Lift the LP turbine case with the IAE 1F10052 Two cables sling 1 off.

    3. Remove the assembly fixture from the assembly plate. Prepare the diffuser inner duct for assembly on the assembly plate.

    4. Install the 12 strip seals to the 12 inner duct segments. Use CoMat 10-062 ASSEMBLY FLUID.

    5. Assemble the duct segments with the inner diffuser assembly support and the support ring.

    6. Install the IAE 1M14040 Guide pin 2 off in the two clinching nuts of the diffuser inner duct assembly. Install the guide pins at 180 degrees apart from each other.

    7. Install the inner diffuser assembly in the assembly plate.

    10. SUBTASK 72-50-10-430-311 Install the Inner Duct of the Diffuser

    1. Refer to Figure.

    2. Lower the LP turbine case carefully on to the assembly plate.

    3. Align the slots on the inner flange of the stage 3 vane assembly with the guide pins on the inner duct assembly. Make sure that the inner flange of the stage 3 vane assembly is correctly positioned on the inner duct assembly.

    4. Remove the two guide pins.

    5. Install the stage 3 air seal ring on the inner flange of the stage 3 vane assembly.

    6. WARNING

      DO NOT GET ANTI-SEIZE PASTE ON YOUR SKIN WHEN YOU LUBRICATE THREADS AND ABUTMENT FACES OF NUTS AND BOLTS. WEAR PROTECTIVE GLOVES.

      Apply CoMat 10-129A ANTI-SEIZE PASTE to the 29 bolts. Install the bolts which attach the stage 3 vane assembly, the stage 3 air seal ring and the inner duct assembly. Wipe off excess paste.

    7. NOTE

      The tightening torque value includes the self locking torque value.

      Torque the bolts across to 62.0 to 72.0 lbfin (7.0 to 8.0 Nm).

    8. Lift and turn the LP turbine case by 180 degrees.

    9. Remove the assembly plate from the assembly stand.

    10. Put the LP turbine case on the assembly stand, rear end down.

    11. Control the gaps between the inner diffuser segments (minimum 0.043 in. (1.1 mm)).

    11. SUBTASK 72-50-10-430-312 Install the Outer Duct of the Diffuser

    1. Refer to Figure.

    2. WARNING

      DO NOT GET ANTI-SEIZE PASTE ON YOUR SKIN WHEN YOU LUBRICATE THREADS AND ABUTMENT FACES OF NUTS AND BOLTS. WEAR PROTECTIVE GLOVES.

      Lubricate all threads and mating faces with CoMat 10-129A ANTI-SEIZE PASTE.

    3. Install the 16 strip seals to the 16 outer diffuser assembly segments.

    4. Install the outer diffuser assembly segments on to the diffuser outer duct assembly supports and the stage 3 vane assembly. Make sure that the rear slots of the assembly segments are correctly installed to the stage 3 vane assembly front support.

    5. Install all 16 bolts which attach the assembly supports and the assembly segments. Wipe off excess paste.

    6. NOTE

      The tightening torque value includes the self locking torque value.

      Torque the bolts on the outer duct of the diffuser across to 62.0 to 72.0 lbfin (7.0 to 8.0 Nm).

    7. Examine the gaps between the outer diffuser segments (minimum 0.0083 in. (0.21mm)).

    12. SUBTASK 72-50-10-430-313 Install the Blanking Plugs to the LP Turbine Borescope Ports

    1. Refer to Figure.

    2. Install the sleeve flanged bushing.

      3. Install the blanking plug.

      1. NOTE

        The blanking plug surface must be continuous to the stage 3 vane outer platform surface. A tolerance of maximum minus 0.024 in. (0.6 mm) against the stage 3 vane outer platform surface is permitted. If necessary spacer plate(s) must be used. Usually one spacer plate is necessary.

        Make an estimate by finger touch how many spacer plates are necessary.

      2. Remove the blanking plug.

      3. CAUTION

        MAKE SURE, THAT THE SLEEVE FLANGED BUSHING DOES NOT FALL OUT. IF THE PART FALLS, IT WILL BE DAMAGED.

        Install the spacer plate(s) on to the blanking plug.

      4. Install the blanking plug together with the spacer plate(s) in to the LP turbine borescope port.

      5. Examine the position of the blanking plug again. If necessary do steps (2) to (5) again.

    4. WARNING

      DO NOT GET ANTI-SEIZE PASTE ON YOUR SKIN WHEN YOU LUBRICATE THREADS AND ABUTMENT FACES OF NUTS AND BOLTS. WEAR PROTECTIVE GLOVES.

      Apply CoMat 10-129A ANTI-SEIZE PASTE to the two bolts.

    5. Attach the blanking plug with the two bolts. Torque the bolts to 62 to 72 lbfin (7.0 to 8.0 Nm). Wipe off excess paste.

    6. Safety the bolts with CoMat 02-119 LOCKWIRE lockwire.

    7. Do the same procedure with the second borescope blanking plug.

    13. Figure: Lift and Turn the LP Turbine Case

    Lift and Turn the LP Turbine Case

    Figure: V2500-A5 Install the Stage 3 LP Turbine Diffuser Outer Duct and the Front Heatshields

    V2500-A5 Install the Stage 3 LP Turbine Diffuser Outer Duct and the Front Heatshields

    Figure: Prepare the Stage 3 Vane Assembly for Assembly

    Prepare the Stage 3 Vane Assembly for Assembly

    Figure: Position of the Assembly Segments and the Assembly Supports of the Stage 3 Outer Duct

    Position of the Assembly Segments and the Assembly Supports of the Stage 3 Outer Duct

    Figure: Install the Stage 3 Vane Assembly with the Lifting Fixture

    Install the Stage 3 Vane Assembly with the Lifting Fixture

    Figure: V2500-A1 Prepare the Stage 3 LP Turbine Diffuser inner Duct for Assembly

    V2500-A1 Prepare the Stage 3 LP Turbine Diffuser inner Duct for Assembly

    Figure: Stage 3 LP Turbine Diffuser Inner Duct

    Stage 3 LP Turbine Diffuser Inner Duct

    Figure: Install the Stage 3 LP Turbine Borescope Blanking Plug

    Install the Stage 3 LP Turbine Borescope Blanking Plug

    Figure: Correct Installation of the Hooks of the Lifting Fixture

    Correct Installation of the Hooks of the Lifting Fixture

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Revised procedure. (EC17VM500)

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:34568
Enterprise Name:TIODIZE CO., INC.
BU Name:TIODIZE CO., INC.
Street:5858 ENGINEER DRIVE
City:HUNTINGTON BEACH
State:CA
Zip Code:92649
Country:USA
Phone Number:1-714-898-4377
Fax Number:1-714-891-7467
Internet:www.tiodize.com
Manufacturer Code:71984
Enterprise Name:DOW SILICONES CORP
BU Name:DOW SILICONES CORP
Street:2200 W SALZBURG RD
City:MIDLAND
State:MI
Zip Code:48611
Country:UNITED STATES OF AMERICA
Phone Number:1-800-248-2481, 1-989-496-7881, 1-989-496-6000
Fax Number:1-989-496-6731, 1-989-496-5956
Internet:www.dowcorning.com
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
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:0AM53
Supply Number:CoMat 10-062
Type:sp01
Supply Short Name:CoMat 10-062 ASSEMBLY FLUID
Supply Name:CoMat 10-062 ASSEMBLY FLUID
Specification Groups:
Doc NumberType
DELETED
Suppliers:
ManufacturerRemarks
0AM53
Manufacturer Code:34568
Supply Number:CoMat 10-129
Type:sp01
Supply Short Name:CoMat 10-129 ANTI-SEIZE PASTE
Supply Name:CoMat 10-129 ANTI-SEIZE PASTE
Specification Groups:
Doc NumberType
TIODIZE T8E PASTE
Suppliers:
ManufacturerRemarks
34568
Manufacturer Code:3CU95
Supply Number:CoMat 10-129A
Type:sp01
Supply Short Name:CoMat 10-129A ANTI-SEIZE PASTE
Supply Name:CoMat 10-129A ANTI-SEIZE PASTE
Specification Groups:
Doc NumberType
MOLYKOTE P-37
Suppliers:
ManufacturerRemarks
3CU95
818U1
Manufacturer Code:0AM53
Tool Number:IAE 1F10052
Tool Name:IAE 1F10052 Two cables sling
Manufacturer Code:0AM53
Tool Number:IAE 1M14031
Tool Name:IAE 1M14031 Assembly stand
Manufacturer Code:0AM53
Tool Number:IAE 1M14032
Tool Name:IAE 1M14032 Mounting plate
Manufacturer Code:0AM53
Tool Number:IAE 1M14036
Tool Name:IAE 1M14036 Assembly fixture
Manufacturer Code:0AM53
Tool Number:IAE 1M14037
Tool Name:IAE 1M14037 Assembly plate
Manufacturer Code:0AM53
Tool Number:IAE 1M14039
Tool Name:IAE 1M14039 Lifting bracket
Manufacturer Code:0AM53
Tool Number:IAE 1M14040
Tool Name:IAE 1M14040 Guide pin
Manufacturer Code:0AM53
Tool Number:IAE 1M14147
Tool Name:IAE 1M14147 Lifting fixture