DMC:V2500-A0-79-22-4800-01A-649A-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 79-22-48-300-002 Gearbox Scavenge Oil Tubes - Blend Repair Surface Damage, Repair-002 (VRS5178)
General
Price and availability - none
The practices and processes referred to in the procedure by the TASK numbers are in the SPM.
NOTE
To identify the consumable materials refer to the PCI.
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
NONEConsumables, Materials and Expendables
| Name | Manufacturer | Part Number / Identification | Quantity | Remark |
|---|---|---|---|---|
| CoMat 05-021 WATERPROOF SILICON CARBIDE | 44197 | CoMat 05-021 |
Spares
NONESafety Requirements
NONEProcedure
Refer to Figure.
The maximum blend depth is 0.010 in. (0.25 mm).
Surface finish of the repaired area must be the same as the adjacent area.
Refer to SPM TASK 70-35-03-300-501
Remove the nicks, scores, galls
SUBTASK 79-22-48-350-053 Remove the Nicks, Scores, Galls from the Tube Assembly Surfaces at Location 1
Refer to Figure.
Remove high metal only.
Do not blend on groove.
Refer to SPM TASK 70-35-03-300-501
Hand polish high metal
Seal surfaces at location 2
The maximum blend depth is 0.010 in. (0.25 mm).
Refer to SPM TASK 70-35-03-300-501
Hand polish and blend
Not seal surfaces at location 3
SUBTASK 79-22-48-350-054 Remove the Nicks, Scores, Dents from the Tube Assembly End Fitting
Refer to SPM TASK 70-23-05-230-501.
Make sure there are no cracks.
Do a crack test on the repaired area
SUBTASK 79-22-48-230-054 Examine the Tube Assembly for Cracks
Figure: Locations On The Tube Assembly
Locations On The Tube Assembly
