SLIDE 15 CASE STUDY When shit happens
Multi-Hearth Shaft Segment Replacement
- Job involved replacing three segments of shaft
- One new section was manufactured in NZ and two sections
were manufactured in China
- After closer inspection the two Chinese manufactured sections
appeared to have some casting faults
- Paint was removed around the webs and it was identified that
bog had been used to fill in casting defects
- Fortunately we were able to replace the badly damaged
section with the locally manufactured one and reuse the remaining sections
- The two Chinese sections were scraped
MESNZ Maintenance Conference 2015