The Basic Process

• Grind out damage to remove smeared metals and contamination
• Electroclean area
• Acid etch area
• Desmut surface
  
• Mask off area
• Pre plate with nickel
• Plate in copper (rapid fill)
• Remove masking
  
• Dress area to desired profile
• Electroclean
• Cobalt area to suit
• Polish into surrounding areas
• Put back into service.

Typical spear repair 2-3 hrs.