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 72-44-30-440-001 Inner Combustion Chamber Assembly - Assemble The Inner Combustion Chamber Assembly, Disassembly-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 70-41-00-400-501 and 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, unless other lubricants are referred to in the procedure.
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
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
NONEConsumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CoMat 10-077 APPROVED ENGINE OILS | LOCAL | CoMat 10-077 |
Safety Requirements
NONEProcedure
NOTE
The 250 nuts (01-680) used to install the segments will be torqued at the end of the procedure. The nuts must be replaced any time they are removed.Refer to Figure.
CAUTION
MAKE SURE THE WASHERS (01-660) ARE CORRECTLY INSTALLED WITH THE DIMPLE IN THE SLOT AS SHOWN IN Figure BEFORE YOU TORQUE THE NUTS.Tighten the 250 nuts to no more than 50 lbfin (5.649 Nm), to a point where the washers are no longer free to move. Loosen the nuts one half turn, then torque the nuts to 25 to 35 lfbin (2.825 to 3.954 Nm).
SUBTASK 72-44-30-440-051 Install the Combustion Chamber Liner Segments on to the OD of the Combustion Chamber Inner Liner
Figure: Assemble the inner combustion chamber assembly
Assemble the inner combustion chamber assembly
