Workscope: Babbitted Hydrogen Seals

• Visually inspect and record as found dimensions
• Perform ultrasonic inspection of babbitt bond line to shell
• Prepare existing babbitt for weld
• Rebabbitt H2 seal using TIG weld method
• Correct minor distortion of the seal
• Furnish and install two new horizontal joint dowel pins
• Machine the seal bore and all surfaces to true up distortion
  

  -	Finish machine the bore with extra material for future machining*
  -	Finish machine the bore to design clearances*

• Perform final ultrasonic and dimensional inspection

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