(Topic ID: 208447)

Silicone on all the solders?

By Texastravis

1 year ago

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  • 13 posts
  • 10 Pinsiders participating
  • Latest reply 1 year ago by LynnInDenver
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    #1 1 year ago

    I am still a bit new at this... most of the solder connections on my JP machine are gooped with some kind of silicone. Is this a good practice to do with your solder joints? What does it accomplish besides preventing dirt on the solder?

    I have a bad switch on the ball trough. Before I ordered a new one, I wanted to reflow the solder to make sure it was getting a good connection. I will have to remove the silicone though first.

    15170733133061655215722 (resized).jpg

    #2 1 year ago

    That looks like dielectric grease. It gets used on cars and atvs to repel water from electrical connections.

    #3 1 year ago

    That's clear silicone. Dirt from a pinball machine won't hurt solder. Silicone can be used to prevent accidental shorts or wire breakage. Maybe previous owner had problems with wires breaking off switches? Sure makes replacement of the switch "fun".

    #4 1 year ago
    Quoted from Texastravis:

    Is this a good practice to do with your solder joints?.


    #5 1 year ago

    I second TheLaw's answer! If you solder them correctly you should have no issue.

    #6 1 year ago

    It looks like a scene from The Blob. Couldn't find humans so it attacked your pin.

    #7 1 year ago

    It would be fun trying to resolder those if they ever come loose.

    #8 1 year ago

    Definately silicone and not grease.

    Thanks for the tips. Sounds like this was a bad idea and while I am trying to remove it agree that it is a bad idea!

    You won't believe how much silicone is under this playfield...

    #9 1 year ago

    Most broken wires on my machines have been from poor WIRE STRIPPING and bad soldering. People use a knife or the wrong guage stripping tool, then poorly solder the few remaining strands anyway.

    I'd never goop that crap on my machines and don't think anyone else should either.

    #10 1 year ago
    Quoted from radium:

    I'd never goop that crap on my machines and don't think anyone else should either.

    Couldnt agree more.

    #11 1 year ago

    That stuff works fairly well sealing gaskets on cars, but I prefer to use the "ultra black".

    #12 1 year ago

    That isn't the first time I have seen that. When a switch gets flakey some people wiggle on the leads and get switch hits. Most of the time its a bad switch or the screws are too tight. Instead of replacing they goop it with silicone or hot glue.

    #13 1 year ago

    Yeah, reminder of something else I'd need to look for on a machine to be purchased. I'd be asking for a couple hundred knocked off the price, just because I'd need to go through and clear and completely redo any joint done like that, and possibly replace the gooped parts. It's a sign of either really bad soldering skills on a repair (using silicon/hot glue to compensate for lack of structural integrity in a bad solder job), or an attempt to AVOID resoldering a loose connection (from lack of skill or equipment).

    My recommendation for this mess? Go ahead and just replace all the switches instead of trying to degoop them. They're likely going to be cheaper than the labor, and you're probably going to have to cut and restrip the wires anyway for the best connection.

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