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 71-00-02-000-003 (A1/A5-PPBU) - Remove The Common Nozzle Exhaust Assembly, Removal-003
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
NOTE
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| IAE 1N20001 Common nozzle fixture | 0AM53 | IAE 1N20001 | 1 | |
| IAE 1N20004 Common nozzle dolly | 0AM53 | IAE 1N20004 | 1 |
Consumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CoMat 10-058 PENETRATING OIL | 0AM53 | CoMat 10-058 |
Spares
NONESafety Requirements
NONEProcedure
Lift the IAE 1N20001 Common nozzle fixture 1 off with a suitable lifting device to the common nozzle assembly (CNA) Common Nozzle Assembly (CNA) (78-11-11, 01-010).
Put the IAE 1N20004 Common nozzle dolly 1 off in to position at the rear of the engine.
SUBTASK 71-00-02-420-061 Install the Common Nozzle Fixture
Remove the bolts Common Nozzle Assembly (CNA) (78-11-11, 01-020), washers Common Nozzle Assembly (CNA) (78-11-11, 01-025) and nuts Common Nozzle Assembly (CNA) (78-11-11, 01-030) or the bolts Common Nozzle Assembly (CNA) (78-11-11, 01-020) and washers Common Nozzle Assembly (CNA) (78-11-11, 01-025) which attach the CNA Common Nozzle Assembly (CNA) (78-11-11, 01-010) to the engine flange.
Carefully remove the CNA in the fixture away from the rear of the engine. Make sure that you do not touch the exhaust cone Engine Exhaust Cone And Plug (78-11-12, 01-010) with the CNA.
Install the IAE 1N20001 Common nozzle fixture 1 off with the CNA on the IAE 1N20004 Common nozzle dolly 1 off.
SUBTASK 71-00-02-020-018 Remove the Common Nozzle Assembly (CNA)
NOTE
Access to some of the CNA fasteners is difficult. Access to these fasteners can be improved by the use of a standard 5/16 in. (7.93 mm) wrench modified to fit the contour of the CNA.
Figure: Common Nozzle Assembly, Fixture and Dolly
Sheet 1

Figure: Common Nozzle Assembly, Fixture and Dolly
Sheet 2

