Greasing involves forcing grease into a bearing through the zerk. Grease guns are capable of producing high pressure because sometimes the old grease has congealed and blocks the flow of new ...

A serviceman places a grease gun on a zerk on the valve body and pumps grease into all points at once. No fitting will be missed when the greasing gets done. However, a human being still has to ...

My father’s rule was, “Never walk past a grease zerk without greasing it.” Larry Ludwig, chief chemist and technical director for Schaeffer (Oil) Manufacturing, says improved bearing quality ...

4. Purge dirty grease from the end of the grease gun by pumping the handle once or twice. Wipe each zerk fitting with a clean rag first.

Grease-able bearings come in two designs. One design has no seal on one side, so grease from its zerk easily gets where it needs to go.

Also, if the cap falls off, grease won’t stay in the hub forever, but it will stay in place for many miles—hopefully, long enough for you to notice. Load Rite and Tie Down Engineering both offer ...

Before applying new grease, the tip of the zerk fitting should be wiped clean of dirt and old, dry grease. And because grease is messy and sticky, carefully align the grease gun fitting to the zerk ...

Learn more on what dielectric grease is. Our team of experts have prepared a detailed guide on everything you need to know about electric grease.

Try a different fitting. Once in a while, I've had to remove a Zerk fitting from the vehicle (they just unscrew) and replace it with one I could actually grease.