That won't help the coupler that is wearing about 4 times as much as the
ball. Seen them rub clear through. Always grease.

--
Steve
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Remove the not dot from my address to abuse my email box
"Dan Krueger" wrote in message
ink.net...
Tony's right. No grease. It's not going to fall apart and new balls are
cheap when you need a replacement after 20 years.