Topic name pretty much says it all. How do I remove the lower spindle bushing? I'm ripping the new pro down for powder coating and can't seem to get them out
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The only problem I know of with leaving them in is that it will cook the oil out of the bronze bushings. They are essentially oil-lite bronze bushings that are impregnated with oil for lubricity. The heat of the powder coating "cure" can bake the oil out of the bushings. Not a huge deal but they will wear out significantly quicker when the oil is gone. Attached is a picture of what this looks like on a Pro spindle. Notice how the powder coat is bubbled and pealing up on the one on the right.......this is from oil being baked out.
The bushing are made from powder metal bronze and it is inherently porous by nature.......around 15-20% open porosity to be exact and it is this porosity that holds impregnated oil like a reservoir and it makes for great lasting durable bushings. Just a heads up to people.......not the end of the world or anything....but it is one side affect from leaving the bushings in.