What solvent for (Crisco) transducer oil?
I have depth-sounder transducers mounted inside the hull. Each lives in a short piece of PVC pipe bonded to the hull with 5200. The pipes are filled with oil - probably Crisco to judge from the part-empty bottle nearby. One of the tubes has leaked at the 5200 joint and a layer of dried oil coats the bilge, float switches, pumps etc. The dried oil has a firm rubbery consistency and has proved immune to degreaser, kerosene, hot water and dish washing liquid. Any ideas what I can use to clean this crud off without disolving the plastic pumps and pipes?
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