snowboard419 Posted February 5, 2017 Share Posted February 5, 2017 Here is a repair of a demolition saw that came through our shop recently, customer complained that it was hard to start and did not run well. Here is what we found. I believe this may have led to his low compression. Dirt ingestion of concrete dust. Almost a 1/4 '' of ring end gap, I dont even know how it ran long enough to wear that bad. This is what it should look like. Link to comment Share on other sites More sharing options...
LittleFR Posted February 7, 2017 Share Posted February 7, 2017 Yep. I got a concrete saw one time from a yard sale that had the exact same issue. They stopped up the filter and took it off... Link to comment Share on other sites More sharing options...
RF600 Posted February 23, 2017 Share Posted February 23, 2017 I bet the oil got contaminated very quickly also. That gap is, just a bit much. Link to comment Share on other sites More sharing options...
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