DMC:V2500-A0-75-00-4901-00A-251A-CIssue No:001.00Issue Date:2014-05-01
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 75-00-49-100-101 Engine Stage 7 Air Off-Take Air Ducts - Clean, Cleaning-001
General
This TASK gives the procedure to clean the HP 7 air right hand upper and lower support duct and the HP 7 bleed valve and cabin air duct. Refer to Cleaning-000 TASK 75-00-49-100-100 for the other engine air off-take ducts.
The practices and processes referred to in the procedure by the TASK number are in the SPM.
Fig/item numbers in parentheses in the procedure agree with those used in the IPC. Only primary Fig/item numbers are used. For the service bulletin alpha variants refer to the IPC.
NOTE
Consumable materials are given in the related SPM TASK.
Reference
Refer to the SPM for data on these items
Cleaning Policy and Methods, SPM TASK 70-10-00-100-501.
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
NONEConsumables, Materials and Expendables
NONESpares
NONESafety Requirements
NONEProcedure
Vapor degrease
Clean the duct, Refer to SPM TASK 70-11-01-300-503.
SUBTASK 75-00-49-110-055-001 Remove the Grease
Mild clean
Clean the duct, Refer to SPM TASK 70-11-03-300-503.
SUBTASK 75-00-49-110-055-002 Remove the Grease