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White PTFE ring for piston
When I changed seals yesterday, I discovered that the white PTFE ring on the piston had swollen at the break point and was projecting out of the groove. I took it out and ordered a replacement from the store. The one I ordered is called a "piston seal wiper", although as I recall it used to be described as a "piston guide". What is its function?
Another matter. The one I had was split at one point, presumably to make it easy to fit on the piston. The one in the store photo doesn't seem to have a break point. If that is so, does it stretch to fit like the seals?
Another matter. The one I had was split at one point, presumably to make it easy to fit on the piston. The one in the store photo doesn't seem to have a break point. If that is so, does it stretch to fit like the seals?
Comments
as you will appreciate, the ptfe is a non elastic material and without us putting a cut in it you will not be able to fit it to the piston
kind regards
reiss.
Yours, Matt