We're starting to see suggestions of some creative solvents and
greases. When I rebuilt mine, I saw traces of the familiar green Copper
Sulphate in the old grease. The source of copper is obviously the
brass. The source of sulphur was probably the cutting fluid that was
used when the brass was machined. Be careful you don't use anything
containing trace amounts of sulphur, either in the solvent or the
grease. Good luck. The factory gets $25 for rebuilding a PTO. They
told me that it was roughly the same complexity as rebuilding a 2 barrel
carbeurator. If we knew the type of plastics used, we could easily
specify a solvent that would be safe.
Tim, W2UI
Steve N4LQ wrote:
I've been using WD40 to dissolve old PTO grease but am looking for something better. WD is slow and requires a lot of manual cleaning to completely remove all the goo. Keep in mind that some of the parts are plastic so I don't want anything that would soften it. Any recommendations?
Steve N4LQ
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