TASK 79-21-41-460-401 Oil Pressure Pump/Filter Housing - Related Parts - Assemble The Oil Pressure Pump, Assembly-001

DMC:V2500-A0-79-21-4100-00A-710A-C|Issue No:002.00|Issue Date:2019-05-01

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 79-21-41-460-401 Oil Pressure Pump/Filter Housing - Related Parts - Assemble The Oil Pressure Pump, 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 70-41-01-400-501 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 10-077 APPROVED ENGINE OILS 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 01-275 CHROMATE CONVERSION COATING FOR ALUMINIUM chromate conversion coating to any damaged surfaces protection, joint flanges and attach parts. Refer to SPM TASK 70-38-02-300-503.

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

If the gear requires replacement, also replace its mating gear.

Check the circumferential clearance of the gears assembly is within limits specified in FITS AND CLEARANCE. Keep all parts in a plastic bag in the waiting period.

To identify the consumable materials refer to the PCI.

Special tools are identified in the procedure by the tool primary number.

Expendable parts

ATA

FIG/ITEM

PART NAME

QUANTITY

79-21-41

01-650

Packing

2 off

79-21-41

01-250

Packing

1off

79-21-41

01-450

Packing

1off

79-21-41

01-690

Packing

1off

79-21-41

01-720

Packing

1off

79-21-41

01-330

Packing

1off

79-21-41

01-460

Packing

1off

79-21-41

01-570

Packing

2off

79-21-41

01-770

Packing

4off

79-21-44

01-100

Pressure oil filter element

1off

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NameManufacturerPart Number / IdentificationQuantityRemark
IAE 1F10322 Base0AM53IAE 1F103221 off
IAE 1F10324 Assembly fixture0AM53IAE 1F103241 off
IAE 1F10323 Base0AM53IAE 1F103231 off
IAE 1F10305 Support stud (short)0AM53IAE 1F103053off
IAE 1F10319 Clamping fixture0AM53IAE 1F103191 off
IAE 1F10320 Support stud0AM53IAE 1F103203off
IAE 1F10309 Installation drift0AM53IAE 1F103091 off
IAE 1F10312 Adapter wrench0AM53IAE 1F103121 off
IAE 1F10333 Base0AM53IAE 1F103331 off

Consumables, Materials and Expendables

NameManufacturerPart Number / IdentificationQuantityRemark
CoMat 01-275 CHROMATE CONVERSION COATING FOR ALUMINIUMLOCALCoMat 01-275
CoMat 02-119 LOCKWIRELOCALCoMat 02-119
CoMat 10-077 APPROVED ENGINE OILSX333XCoMat 10-077

Spares

NONE

Safety Requirements

NONE

Procedure

    1. SUBTASK 79-21-41-470-051 Assemble the Oil Filter Cover

    1. Refer to Figure and Figure.

    2. Install the filter cover on suitable support bracket.

    3. Put the spring and the ring on the boss in the inner side of the cover.

    4. Install the special bolt from the external side of the filter cover. Install the washer and the nut.

    5. Torque the nut to 75 to 85 lbfin (8.474 to 9.604 Nm).

    6. Install (79-21-41, 01-250) packing 1 off on the groove of the priming valve.

    7. Turn the filter cover up.

    8. Install the valve on the cover. Torque to 53 to 71 lbfin (6 to 8 Nm). Install the nut on the valve and torque to 53 to 71 lbfin (6 to 8 Nm).

    9. Remove the oil filter cover assembly from the support bracket.

    10. Install (79-21-41,01-330) packing 1 off on the cover mating seat.

    2. SUBTASK 79-21-41-470-052 Assemble the Anti Drain Valve

    1. Refer to Figure and Figure.

    2. Install the anti drain valve casing in IAE 1F10322 Base with the open side turned to the top.

    3. Install in the casing the valve, the spring, the ring and the retaining ring. Use IAE 1F10324 Assembly fixture.

    4. Install (79-21-41, 01-460) packing 1 off on the casing.

    5. Check that the valve opens at 0.054 MPa (0.54 kg/sq cm) plus or minus 10 percent. Use suitable test rig.

    6. Remove the anti drain valve from the test rig.

    3. SUBTASK 79-21-41-470-053 Assemble the Relief Valve

    1. Refer to Figure and Figure.

    2. Install the valve on IAE 1F10323 Base with the flanged side down.

    3. Install the valve in the casing with the open side turned to the top.

    4. Install the spring, the ring and the retaining ring on to the valve. Use IAE 1F10324 Assembly fixture.

    5. Check that the valve opens at 3.100 MPa (31.65 Kg/sq cm) plus or minus 5 percent with suitable test rig. If the value is not achieved, select a ring with a correct thickness to obtain the required value.

    6. Install packing (79-21-41, 01-570) 2 off on the valve.

    7. Remove the relief valve from the test rig.

    4. SUBTASK 79-21-41-470-055 Preassemble the Drive Gear Assembly, Pump Casing Cover and Oil Pump Drive Gear

    1. Refer to Figure and Figure.

    2. Install the IAE 1F10333 Base in a vice.

    3. Install the bolt into the seat of the drive gear. If necessary use a soft drift to facilitate the operation.

    4. Install the drive gear assembly on the IAE 1F10333 Base, with the long hub to the top.

    5. Install the pump casing cover over the drive gear assembly.

    6. Put (79-21-41,01-770) packings 1 off and bolts in adjacent holes of the drive gear assembly of the pump casing cover.

      7. Install the oil pump drive gear to the drive gear assembly hub.

      1. 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 MEDICAL ATTENTION IF PAIN OR BLISTERING PERSISTS.

        Heat the oil pump drive gear to 320 to 356 deg F (160 to 180 deg C).

      2. Position the collar uppermost, and engage the notch on the drive gear with the key in the front of the drive gear assembly hub.

      3. If necessary, set the pump drive gear. Use IAE 1F10309 Installation drift.

      4. Attach the oil pump drive gear with the washer and the nut.

      5. Install the IAE 1F10312 Adapter wrench on the pump drive gear.

      6. Hold the pump drive gear with IAE 1F10312 Adapter wrench Torque the nut to 85 to 95 lbfin (9.604 to 10.734 Nm).

      7. Remove the IAE 1F10312 Adapter wrench from the oil pump drive gear.

      8. Remove the assembled parts from the IAE 1F10333 Base.

    5. SUBTASK 79-21-41-460-051 Install the Component to the Oil Pressure Pump

    1. Refer to Figure and Figure.

      2. Install the components on the filter side.

      2. Install the casing on the IAE 1F10319 Clamping fixture with the drive gear side down.

      3. Install the (79-21-44,01-100) pressure oil filter element 1 off in to the housing.

      4. Install the oil filter cover assembly on the casing.

      5. Attach the cover with the six nuts and washers. Torque to 85 to 95 lbfin (9.604 to 10.734 Nm).

      3. Install the anti drain valve.

      1. Apply CoMat 10-077 APPROVED ENGINE OILS approved engine oils to the packing. Install (79- 21-41,01-450) packing 1 off on the anti drain valve cover.

      2. Install the anti drain valve in the pump casing.

      3. Align the bolt holes.

      4. Attach the cover with the three bolts and washers. Torque to 85 to 95 lbfin (9.604 to 10.734 Nm).

      4. Install the relief valve.

      1. Install the relief valve in the pump casing.

      2. Align the bolt holes.

      3. Attach the valve with the two bolts. Torque to 85 to 95 lbfin (9.604 to 10.734 Nm).

      5. Install the trim valve.

      1. Install (79-21-41,01-720) packing 1 off on the strainer groove.

      2. Install the strainer in the pump casing.

      3. Fully screw the trim valve through the flange. Install the nut on the valve. Do not tighten the nut.

      4. Install (79-21-41,01-690) packing 1 off on the valve screw groove.

      5. Align the bolt holes.

      6. Attach the valve with the bolt. Torque to 85 to 95 lbfin (9.604 to 10.734 Nm).

      7. Manually turn the trim valve to check the free axial movement during its full travel.

      6. Install the plugs.

      1. Install (79-21-41,01-650) packing 2 off to the union adapters.

      2. Install the union adapters on the casing. Torque to 18 to 35 lbfin (2 to 4 Nm).

      3. Install the two nuts on the union adapters. Torque to 18 to 35 lbfin (2 to 4 Nm).

      7. Install the oil pump gears, Figure, Figure.

      2. Turn the assembly with the pump drive gear side up.

      3. Put driven gear (01-230) in the offset seat of the casing. Make sure manually that the gear turns freely.

        4. Install the gears and cover previously assembled.

        1. Align the gears and the cover preassembled on the pump casing assembly.

        2. Engage correctly the gears and align the cover holes with the pins on the casing.

        3. Install the other (79-21-41,01-770) packings 2 off and bolts on the pump casing cover.

        4. Attach the pump casing cover and the casing assembly. Torque the four bolts to 85 to 95 lbfin (9.604 to 10.734 Nm).

        5. Manually ensure that the gears turns freely.

      8. Final assemble the oil pressure pump.

      1. Remove the oil pressure pump assembly from the IAE 1F10319 Clamping fixture.

      2. Lock with CoMat 02-119 LOCKWIRE. together the nut and the adapter of the filter cover. Lockwire the adapter with the filter cover.

      3. Lockwire with the plugs together and each plug with its nut.

    6. Figure: Assemble The Oil Pressure Pump Assembly

    Assemble The Oil Pressure Pump Assembly

    Assemble The Oil Pressure Pump Assembly

Requirements After Job Completion

Follow-On Conditions

NONE
Change Type:

Revised text. (17VG133)

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:X333X
Enterprise Name:REFER TO V2500 SB ENG-79-0108
Manufacturer Code:00BB6
Supply Number:CoMat 01-275
Type:sp01
Supply Short Name:CoMat 01-275 CHROMATE CONVERSION COATING FOR ALUMINIUM
Supply Name:CoMat 01-275 CHROMATE CONVERSION COATING FOR ALUMINIUM
Specification Groups:
Doc NumberType
BONDERITE M-CR-1200S AEROJCR-047 (JAEC REF)
JCR-048 (JAEC REF)SPMC 206 (PW REF)
Suppliers:
ManufacturerRemarks
00BB6
71410
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: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:0AM53
Tool Number:IAE 1F10305
Tool Name:IAE 1F10305 Support stud (short)
Manufacturer Code:0AM53
Tool Number:IAE 1F10309
Tool Name:IAE 1F10309 Installation drift
Manufacturer Code:0AM53
Tool Number:IAE 1F10312
Tool Name:IAE 1F10312 Adapter wrench
Manufacturer Code:0AM53
Tool Number:IAE 1F10319
Tool Name:IAE 1F10319 Clamping fixture
Manufacturer Code:0AM53
Tool Number:IAE 1F10320
Tool Name:IAE 1F10320 Support stud
Manufacturer Code:0AM53
Tool Number:IAE 1F10322
Tool Name:IAE 1F10322 Base
Manufacturer Code:0AM53
Tool Number:IAE 1F10323
Tool Name:IAE 1F10323 Base
Manufacturer Code:0AM53
Tool Number:IAE 1F10324
Tool Name:IAE 1F10324 Assembly fixture
Manufacturer Code:0AM53
Tool Number:IAE 1F10333
Tool Name:IAE 1F10333 Base