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Different type of wrench Empty Different type of wrench

Post  coxaddict Wed Mar 20, 2019 7:56 pm


Different type of wrench Dscf1210Different type of wrench Dscf1110Different type of wrench Dscf1111
Found this on sale for $17 at a Sears store. Doesn't mar cylinder even when used on the cooling fins. Can be used on Cox .09 to .020.  Avoids using factory wrench on early cylinders and any other brand that fits. They have a smaller one but didn't try it.  Worth the money to me.


Last edited by coxaddict on Wed Mar 20, 2019 7:59 pm; edited 1 time in total
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Post  coxaddict Wed Mar 20, 2019 7:58 pm

Different type of wrench Dscf1112
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Post  Jason_WI Wed Mar 20, 2019 9:02 pm

Shocked Shocked Not on my engines!

Ill use the OEM wrenches.
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Post  Admin Wed Mar 20, 2019 10:38 pm

I would be afraid of the metal on metal contact. I normally even try to keep a nitrile glove or plastic bag between the OEM wrench and head/cylinder. Maybe if you find a way to line the center of the wrench with a ring of leather or something. I do like that it seems to apply an even pressure around the circumference of the cylinder.

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Post  MauricioB Thu Mar 21, 2019 12:53 am

It seems to me a good alternative tool, long before using a common clamp, as the photo of an original Cox manual shows.
As we all know, there are cylinders without the groove inserts for OEM tools, so this may be a better option, instead of the common clamp.
Different type of wrench 20190383
Whenever you have to use a clamp, place a strip of synthetic tape or 4 mm thick leather between the cylinder and the clamp to protect the cylinder.
The big difference of a common clamp to the one that shows and shares the coxaddict here, is that the coxaddict tool exerts a uniform pressure on the whole cylinder, while a common clamp exerts a pressure basically on two supports, this can be a problem, Since you can deform the cylinder.
However in my case, I definitely prefer to make the slots of the cylinders that do not have them and, therefore, use the OEM tools, especially when it comes to holding the cylinder to remove the glow plug, which many times when wanting to remove the glow plug, the cylinder unscrews.
https://www.coxengineforum.com/t12700p50-acceleration-ring-cox-tee-dee-010#163436
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Post  coxaddict Thu Mar 21, 2019 3:41 am

I have several Cox engines with no way of removing the cylinder for lack of cutouts for a wrench. A few had mufflers and throttle sleeves and some double slit cylinders. This tool worked for me.
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Post  getback Thu Mar 21, 2019 8:08 am

If it works for you thats good i still use rubber hose on those stubborn ones Babe Bee
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Post  Mark Boesen Thu Mar 21, 2019 9:37 am

Cool tool, for 17 beans and if you're doing a lot of engine work, its looks like a good thing. Would be great for Cubs and later Cox cylinders.
Remember heat is our friend and if using a wrench on exhaust ports use a bit of making tape on edge of wrench to prevent marring of cylinders.
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Post  aspeed Thu Mar 21, 2019 12:28 pm

One of the English motors (DC?) used a similar cylinder arrangement. They recommended a leather belt and dowel or something like that for loosening the cylinder. Kind of similar to the oil filter wrenches used now.
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Post  coxaddict Fri Mar 22, 2019 2:30 am

Yes heat always helps.
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