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652Re: fan unit.

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  • Robert Kirk
    Sep 18, 2007
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      Only one of the 3 has a grease fitting.  I believe someone added it BUT its my belief that one should be installed on each side in order to maintain balance.  In fact with modern steel shielded enclosed bearings I question the need to have any grease fitting.  But that is why I am asking.

      Robert Kirk

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