Abstract

The Department of Hawaiian Homes wanted to eliminate oil contamination while overhauling a deep well pump used as a primary potable water source for the island of Molokai. Bearing failures are often experienced when systems of this depth are converted to water lubrication because of the difficulty of maintaining lubrication during pump startup. Roscoe Moss tells how these problems were avoided by switching from bronze to graphite metal alloy bearings that withstand run-dry conditions. The result has been four years of trouble-free operation.

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