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 72-42-61-300-008 Outer Combustion Chamber Assembly - Replace The Liner (Bulkhead) Segments, Repair-008 (VRS3096)
Effectivity
FIG/ITEM PART NO. | |
|---|---|
01-501 | 2A0550-01 |
01-501 | 2A1383 |
01-501 | 2A1385 |
01-501 | 2A1399 |
01-501 | 2A1618 |
01-501 | 2A1620 |
01-501 | 2A1666 |
01-501 | 2A2013 |
01-501 | 2A2032 |
01-501 | 2A2723-01 |
01-501 | 2A2837-01 |
01-501 | 2A3345-01 |
01-501 | 2A3345-001 |
01-501 | 2A3345-002 |
01-501 | 2A3345-003 |
01-501 | 2A3345-004 |
01-501 | 2A3347-001 |
01-501 | 2A3347-002 |
01-501 | 2A3347-003 |
01-501 | 2A3347-004 |
01-501 | 2A3347-005 |
01-501 | 2A3347-01 |
01-501 | 2A3439-001 |
01-501 | 2A3439-002 |
01-501 | 2A3439-003 |
01-501 | 2A3439-004 |
01-501 | 2A3439-005 |
01-501 | 2A3439-006 |
01-501 | 2A3439-007 |
01-501 | 2A3439-008 |
01-501 | 2A3439-01 |
01-501 | 2A3441-01 |
01-501 | 2A3441-001 |
01-501 | 2A3441-002 |
01-501 | 2A3441-003 |
01-501 | 2A3441-004 |
01-501 | 2A3441-005 |
01-501 | 2A3441-006 |
01-501 | 2A3441-007 |
01-501 | 2A3441-008 |
01-501 | 2A3440-01 |
01-501 | 2A3440-001 |
01-501 | 2A3440-002 |
01-501 | 2A3440-003 |
01-501 | 2A3440-004 |
01-501 | 2A3440-005 |
01-501 | 2A3440-006 |
01-501 | 2A3440-007 |
01-501 | 2A3442-01 |
01-501 | 2A3442-001 |
01-501 | 2A3442-002 |
01-501 | 2A3442-003 |
01-501 | 2A3442-004 |
01-501 | 2A3442-005 |
01-501 | 2A3442-006 |
01-501 | 2A3442-007 |
01-501 | 2A3442-008 |
01-501 | 2A4284-01 |
01-501 | 2A4309-01 |
01-501 | 2A4312-01 |
01-501 | 2A4314-01 |
01-501 | 2A4314-001 |
Material of component
PART IDENT | SYMBOL | MATERIAL |
|---|---|---|
Liner (bulkhead) segments | Corrosion and heat resistant alloy |
General
Price and availability
Refer to IAE
The practices and processes referred to in the procedure by the TASK number are in the SPM.
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| Torque wrench | LOCAL | Wrench, torque | ||
| IAE 3P17046 Torque Adapter | 0AM53 | IAE 3P17046 | 1 |
Consumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CoMat 10-077 APPROVED ENGINE OILS | LOCAL | CoMat 10-077 |
Spares
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| NUT, OPTION - .190 DIA | 0AM53 | 4W0001 | ||
| Liner | 2A0129 | 20 | (bulkhead) | |
| Liner | 2A2452 | 20 | (bulkhead) | |
| Liner | 2A3324 | 20 | (bulkhead) | |
| Liner | 2A4299 | 20 | (bulkhead) |
Safety Requirements
NONEProcedure
Refer to Figure.
Refer to Repair, VRS3095 TASK 72-42-61-300-007 (REPAIR-007).
Remove the fuel nozzle guide.
Use IAE 3P17046 Torque Adapter 1 off to remove the nuts.
Remove the nuts, washers and bushing.
SUBTASK 72-42-61-350-075 Remove the Damaged Liner (Bulkhead) Segment
NOTE
It is not necessary to remove the access cover if the fuel nozzle guide retainers are not being replaced.Use a white light and 3X magnification.
If there are any cracks or burns, or if the thickness of the shell is less than 0.030 in. (0.762 mm) refer to Repair, VRS3091 TASK 72-42-61-300-003 (REPAIR-003).
Examine the shell for cracks, burns and wear.
SUBTASK 72-42-61-220-130 Examine the Shell for Damage
Use CoMat 10-077 APPROVED ENGINE OILS on segment threaded studs.
Install the nuts with IAE 3P17046 Torque Adapter.
Tighten nuts down on the stud between 40 to 50 lbfin (4.519 to 5.649 Nm) of torque and make sure that the washer is not free to move. Back the nut off one-half turn, then use IAE 3P17046 Torque Adapter to torque the nut to 25 to 35 lbfin (2.824 to 3.954 Nm).

CAUTION
DO NOT USE COMAT 10-049 MOLYBDENUM DISULFIDE TO LUBRICATE THE NUT THREADS. MOLYBDENUM DISULFIDE CAN CAUSE CORROSION.Install new nuts.
Refer to Repair, VRS3095 TASK 72-42-61-300-007 (REPAIR-007).
Install the fuel nozzle guide.
SUBTASK 72-42-61-350-076 Install the Replacement Liner (Bulkhead) Segment
Figure: Repair Details and Dimensions
Repair Details and Dimensions

Figure: Repair Details and Dimensions
Repair Details and Dimensions

