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A hairline crack has developed in the plastic pump-shaft, which houses the piston. I am wondering if anyone has any experience that could be shared as to how the crack might be repaired. Thanks!
Hello,
Might some epoxy (which often has pretty good 'gap' filling ability) be able to fill that space and also adhere to that material (nylon?)?
Regards....
Hello,
Might some epoxy (which often has pretty good 'gap' filling ability) be able to fill that space and also adhere to that material (nylon?)?
Regards....
Thank you Alan. Someone on the NCRS Tech Discussion Board suggested Tech-Bond products - I am awaiting a response to an inquiry that I made to their sales support, but it seems that they have a small kit that includes what is effectively a super glue with a filler, so that cracks and holes can be filled. If I understand it correctly, that could be the right product!
I have spoken with someone at Tech-Bond who feels with a high degree of certainty that his product will repair the crack, if the superglue that was used by me (and by a third party some 15 years ago) can first be degraded and cleaned out. That will requiring heating the "plastic" part to approximately 350°F for 10-15 minutes. Of course, I don't want the part to melt/become disfigured in the process. Does anyone in this community know with certainty what type of polymer material would have been used to manufacture the "plastic" parts of the windshield washer pump? Thanks!
About 70 years go I was building model cars. I think "AMT 3 in 1" kits were what I liked.
I was also learning about 'customizing' cars. I thought that if I warmed up the plastic I could reshape it like the cars I saw in Rod & Custom and Custom Car magazines.
Well one moment I had a plastic body (I think Plymouth) and the next moment a blob of plastic. I had held the body over a gas burner on our stove.
I. That will requiring heating the "plastic" part to approximately 350°F for 10-15 minutes. Of course, I don't want the part to melt/become disfigured in the process.
Can you obtain some extra pump outlet pieces? Use them to (1) heat one to 350 degrees to determine if the heat damages this type of plastic. (2) make a thin cut in another to test out what ever "glue" you want to use.
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Before working on projects I've never done before, I try to practice my intended repair process on a part that can to be sacrificed. I've certainly spent much more time on practicing a repair process than the actual repair. My latest involved replacing the windshield on the 70. I went through about four tubes of urethane adhesive just practicing, among other things, laying out consistent and well shaped beads. I bought an electric caulk gun to aid with consistency. I bought a supply of extra caulk nozzles to practice with different shapes of the V shaped nozzle required.
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1970 5-port windshield washer pump
