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 71-00-02-400-026 (A1/A5-PPBU) - Install The Lower Segment Of The Air Cooled Air Cooler (ACAC) Exhaust Duct, Installation-026
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 70-41-00-400-501 and SPM TASK 70-41-02-400-501.
Special torque data is included in the procedure.
Lubricate all threads and abutment faces of nuts and bolts with CoMat 10-094 ANTI-SEIZE COMPOUND, PURE Ni-SPECIAL, unless other lubricants are referred to in the procedure.
The number for each radial location is 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.
Transportation covers/blanks must be removed immediately before installation of the components.
Make sure the upper strut recess of the Common Nozzle Assembly (CNA) is at the top center.
NOTE
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
NONEConsumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CoMat 10-094 ANTI-SEIZE COMPOUND, PURE Ni-SPECIAL | LOCAL | CoMat 10-094 |
Spares
NONESafety Requirements
NONEProcedure
Refer to Figure.
Position the lower segment ACAC Exhaust Duct And Housing (75-22-48, 01-010) on the CNA Engine Exhaust Cone And Plug (78-11-12, 01-010).
Pre SBN 75-0058.
Install the four bolts ACAC Exhaust Duct And Housing (75-22-48, 01-050) and the seal ACAC Exhaust Duct And Housing (75-22-48, 01-030) which attach the ACAC exhaust duct lower segment to the upper segment.
Put the support ring ACAC Exhaust Duct And Housing (75-22-48, 01-060) and the backup ring ACAC Exhaust Duct And Housing (75-22-48, 01-065) in the housing ACAC Exhaust Duct And Housing (75-22-48, 01-040). Attach with two bolts ACAC Exhaust Duct And Housing (75-22-48, 01-085), two radius blocks ACAC Exhaust Duct And Housing (75-22-48, 01-075) and ACAC Exhaust Duct And Housing 75-22-48, 01-080) and two nuts ACAC Exhaust Duct And Housing (75-22-48, 01-070). Attach the housing ACAC Exhaust Duct And Housing (75-22-48, 01-040) to the CNA Common Nozzle Assembly (CNA) (78-11-11, 01-010).
Install 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) which attach the ACAC exhaust duct lower segment to the upper segment.
Torque the four bolts ACAC Exhaust Duct And Housing (75-22-48, 01-050) to between 50 and 70 lbf.in (5.6 and 7.9 Nm).
Torque the coupling ACAC Exhaust Duct And Housing (75-22-48, 01-020).
SUBTASK 71-00-02-420-018 Install the Lower Segment of the ACAC Exhaust Duct
Figure: ACAC Exhaust Duct
ACAC Exhaust Duct
