04-27-2012, 06:10 PM
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#36
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Registered User
Join Date: Apr 2012
Location: Hawaiian Islands
Posts: 34
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Looking into the future
Quote:
Originally Posted by opus69
The bearing did not look too bad.
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What does this guy mean?
The idea that he could look at a bearing and decide that 50,000 miles from now the thing will not fail. What did he do take it out and check it with a micrometer?
About the most he can say is that the bearing does not appear to have gone yet. How does he know the seal on the other side is not already blown?
The idea of preventive maintenance is to replace it before it even has a hint of looking bad. The design is bad. You are improving the design by replacing it. The design will always look bad to the trained eye until it is fixed. How can he look at a bad design that may self-destruct at any time and say that it does not look bad?
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