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 71-00-02-000-002 (A1/A5-PPBU) - Remove The Lower Segment Of The Air Cooled Air Cooler (ACAC) Exhaust Duct, Removal-002
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.
Apply the approved CoMat 10-058 PENETRATING OIL before the removal of threaded parts and parts with an interference fit. Let the parts soak before removal.
NOTE
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
NONEConsumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CoMat 10-058 PENETRATING OIL | 0AM53 | CoMat 10-058 |
Spares
NONESafety Requirements
NONEProcedure
Refer to Figure.
Pre SBN 75-0058: Remove the four bolts (75-22-48, 01-050) that attach the housing of the ACAC exhaust duct ACAC Exhaust Duct And Housing (75-22-48, 01-010) to the CNA V2500-A5-71-00-02-01A-941A-D (71-00-02, 01-010).
SBN 75-0058: Remove the two bolts ACAC Exhaust Duct And Housing (75-22-48, 01-085), the two radius blocks ACAC Exhaust Duct And Housing (75-22-48, 01-75) and (75-22-48, 01-080) and the two nuts ACAC Exhaust Duct And Housing (75-22-48, 01-070) that attach the housing (75-22-48, 01-040) to the CNA Common Nozzle Assembly (CNA) (78-11-11, 01-010). Remove the support ring (75-22-48, 01-060) and the backup ring ACAC Exhaust Duct And Housing (75-22-48, 01-065).
Remove the coupling ACAC Exhaust Duct And Housing (75-22-48, 01-020) and the seal ACAC Exhaust Duct And Housing (75-22-48, 01-030) that attach the ACAC exhaust duct lower segment to the upper segment.
Remove the ACAC exhaust duct lower segment with the housing from the CNA Common Nozzle Assembly (CNA) (78-11-11, 01-010).
SUBTASK 71-00-02-020-017 Remove the Lower Segment of the Air Cooled Air Cooler (ACAC) Exhaust Duct
Figure: ACAC Exhaust Duct
ACAC Exhaust Duct
