DMC:V2500-00-70-35-28-00A-520A-DIssue No:001.00Issue Date:2013-03-20
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 70-35-28-350-501 Removal Of Broken Bolts Or Studs
Scope
To remove broken bolts and/or studs by mechanical removal methods, unless specified differently by the Engine Manual.
Equipment
Use a commercially available bolt/stud extraction tool.
Preliminary Requirements
Pre-Conditions
NONESupport Equipment
NONEConsumables, Materials and Expendables
NONESpares
NONESafety Requirements
NONEProcedure
Drill a hole into the end of the broken bolt and/or stud. Refer to the tool manufacturer's instructions for the correct size of the drill.
Put the extraction tool into the drilled hole and lock into position.
Turn the extraction tool in a counterclockwise direction to remove the broken bolt or stud.
Tap the threads, if necessary, to clean or chase the threads.
Examine the threads for damage or an oversize condition.
Procedure