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
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Description
TASK 72-43-00-100-000 No. 4 Bearing and Rear Compartment Assembly - The Table Of Part Numbers/Task Numbers, Cleaning-000
General
This TASK gives the procedures to clean the No. 4 Bearing and Rear Compartment Assembly parts.
The practices and processes referred to in the procedure by the TASK number are in the SPM.
References
Refer to SPM TASK 70-10-00-100-501 for important cleaning information that supplements the TASKs.
When more than one TASK is specified for a part, refer to SPM TASK 70-10-00-100-501 for selection of the applicable cleaning TASK.
Refer to SPM TASK 70-10-00-100-501 for the TASK numbers given below.
Procedure
The parts in the Table are listed in numerical order by ATA number.
The TASK numbers in Table are listed in sequential numerical order.
Table 1. ATA
PART NAME.
ITEM PART NO.
TASK
72-43-11
No. 4 Bearing Front Seal Seat (ST)
2A0066
72-43-12
No. 4 Bearing Seal Spacer (ST)
2A0857
72-43-13
No. 4 Bearing (ST)
2A0001, 2A0003, 2A0006
72-43-14
No. 4 Bearing Rear Seal Seat (ST)
2A0067
72-43-20
No. 4 Bearing Seal Ring Holder (TI)
2A0847, 2A3543
72-43-20
No. 4 Bearing Seal Retaining Collar (ST)
1A2592
72-43-20
No. 4 Bearing Seal Ring (ST)
2A0074
72-43-20
No. 4 Bearing Heat Shield Spacer (NI)
2A0127
72-43-20
No. 4 Bearing Face Seal (ST)
2A0856
72-43-20
No. 4 Bearing Face Seal (ST)
2A2053, 2A2918, 2A3517, 2A2011, 2A3499
72-43-20
No. 4 Bearing Seal Sleeve Spacer (ST)
2A0859
72-43-20
No. 4 Bearing Seal Helical Spring (NI)
2A0860
72-43-30
No. 4 Bearing Heatshield (NI)
2A0890-01, 2A1204-01
72-43-30
No. 4 Bearing Rear Cooling Duct (NI)
2A0891-01, 2A0891-001, 2A1205-01, 2A1205-001, 2A3078-01, 2A3808-01
TASK 70-12-07-120-501 (See note)
NOTE
Note: If necessary, abrasive blast by TASK 70-12-07-120-501 only after chemical cleaning by TASK 70-11-13-300-503 or TASK 70-11-54-300-503.72-43-30
No. 4 Bearing and Rear Compartment Remaining Parts - non-ATA numbered parts
Various