Coil Plastic ID

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w30bob
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Coil Plastic ID

Postby w30bob » Mon Jan 22, 2018 8:10 pm

Hi Guys,

I picked up an old original IH Cub 6V coil as a spare for my '59 Cub and the black plastic "tower" on the end of the coil (that the high tension wire to the distributor plugs into) has a nice chunk taken out of it (thanks UPS!) that I'd like to build back up with epoxy. Does anyone know what type of plastic the end of the coil is made of? Looks like Bakelite to me, but it's important to know for sure when picking an epoxy. Anybody know??

thanks,
bob

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Re: Coil Plastic ID

Postby Drfting1 » Mon Jan 22, 2018 8:51 pm

I think its bakelite, but its made to insulate, not sure how well it will work being repaired or if it will cause issues
Bill

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Re: Coil Plastic ID

Postby w30bob » Tue Jan 23, 2018 9:48 am

Hi Drfting1,

Thanks.........I think it's bakelite too, but I haven't found a way to positively identify Bakelite that doesn't require a piece to be taken off and heated with a flame, basically destroying it. The part of the coil I'm repairing is at the very end of the plastic "tower" and doesn't go too far down the hole for the wire, so I don't think I'm really affecting the insulating capacity with the repair being that far away from the metal contact which is deep down the hole. The area I'm repairing will be fully under the rubber boot of the coil wire that goes to the distributor cap.........I'll try to post a pic later.

thanks,
bob

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Re: Coil Plastic ID

Postby Eugene » Tue Jan 23, 2018 9:54 am

Give it a try. I epoxy repaired the distributor cap on a magneto for a single cylinder engine.
I have an excuse. CRS.

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Re: Coil Plastic ID

Postby rockfarmer » Tue Jan 23, 2018 10:27 am

Slow drying epoxy or JB weld will provide the best adhesion. Hit the area lightly with sandpaper before applying the epoxy.

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Re: Coil Plastic ID

Postby AL Farmall Boy » Tue Jan 23, 2018 12:14 pm

keep in mind that the OEM style coils can still be bought new from TM Tractor....a forum sponsor.
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Re: Coil Plastic ID

Postby cub&catman » Tue Jan 23, 2018 1:11 pm

I would try j-b weld . grind a little bevel on outside edges , fill in, sand off smooth.

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Re: Coil Plastic ID

Postby radioguy41 » Tue Jan 23, 2018 4:35 pm

Is this the style you have?

1958 Farmall Loboy-008s.jpg
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Re: Coil Plastic ID

Postby Cubfriend » Tue Jan 23, 2018 5:02 pm

Be sure there is not a crack running down from the chip. I had a coil that was cracked and the electricity arced across the tower to one of the (stud) terminals. Hope your repair is successfull.
Frank

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Re: Coil Plastic ID

Postby Glen » Tue Jan 23, 2018 6:50 pm

Hi,
I would call or go to UPS, and tell them that the part was broken in shipment, they should do something about it, not sure what they do though. :)


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