Last week my group and I started the disassembly of a Mack E7. I learned how to pull cylinder liners and what can go wrong in the process. At maritime I was a assigned to repack two shaft stuffing boxes on a vessel. The post side went just fine with no eyebrows raised. I noticed the starboard side had major pitting and if simply repacked would have leaked again. Also the pitting has created a weak point so if the operator was to accidentally hit a rock (happens more often then one would think), it would most likely shear clean off at that point creating huge problems. The customer was notified and is taking preventative maintenance measures (new shaft) to avoid a disaster down the road.
w: 42.5
t: 185
Shaft corrosion
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