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Re: replacing old grease fittings
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Posted by Tom in TN on June 26, 2004 at 12:56:40 from (149.174.164.79):
In Reply to: replacing old grease fittings posted by chuck grandgent on June 26, 2004 at 11:47:09:
Chuck, I've replaced many grease fittings on all kinds of machines over the years. They are simply screwed into the components that they are in, and can be unscrewed easily with a small box end wrench. Fittings, usually called grease zerks, are simple devices. They are comprised of a ball bearing that is captive inside the zerks. The ball bearing has a compression spring behind it that pushes the ball tightly against the face on the inside of the zerk. When you push grease against the end of the fitting by pumping your grease gun, the presurrized grease simply compresses the spring that is holding the ball bearing against the inside face of the fitting and allows the pressurized grease to enter the fitting. I'd recommend that you replace any fittings that won't take grease. Good luck, Tom in TN
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