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Techniques on using a heavy duty pistol grip grease gun(5000 psi)?


I just bought a heavy duty pistol grip grease gun(5000 psi),and the rubber ext. for hard to reach places on my mower. The coupler I bought to go with it barely fits over the grease fittings and when it finally does you can’t get it off. The hose is rated for 3000psi, is that the problem? Is it the size of the fittings?


Hello Jonathan,
No problem, just grab the hose down near the grease fitting and pull at an angle. Don't pull straight because that may break off the fitting. The jaws inside the coupler are spring loaded and the first few times it's used you'll find it harder to release but, if the coupler doesn't hold on to the fitting properly, the grease will ooze out and not be forced into the fitting.

Thanks for asking,


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