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Have you tried changing the coupler on the grease gun? They do wear out after some years of use. I have a 25 year old grease gun that I have change twice, both time making it work like new again.</div>
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<a href="https://www.mcmaster.com/grease-gun-fittings">https://www.mcmaster.com/grease-gun-fittings</a><br>
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Here is some good general information (somewhat tongue in cheek) on zerks and couplers, even about how to reverse the jaws in the couplers to provide a new mating surface to the zerk:</div>
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<a href="https://www.youtube.com/watch?v=m_v0ptMU0DI" id="LPNoLP536994">https://www.youtube.com/watch?v=m_v0ptMU0DI</a><br>
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<p style="margin-top: 0px; margin-bottom: 0px;">best,</p>
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<p style="margin-top: 0px; margin-bottom: 0px;">des</p>
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