BHP were experiencing issues with the load bearing ability of a shaft as it had only 3 bushes which could not carry the load allowed. This created issues as it resulted in excessive wear of both the pin and the bushes, which made all 3 bushes wear unevenly.
Read MoreDipper door not opening and closing efficiently with the trip rope wedge and socket breaking frequently. Failure rate was found to be an average 12 per month, creating excessive downtime of 18.25 hours.
Read MoreAfter years of trying various manufacturers and solutions BHP approached McNeall Plastics in the early 2000’s to work with them in developing a solution for the issues they were experiencing with their pivot bushes.
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