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De-scaling block on tractor?


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  #1  
Old 08-10-2019, 11:49:55 AM
G Willikers G Willikers is offline
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Default De-scaling block on tractor?

Simple thing, and this has no doubt been discussed before, but on the McDeering 10-20, I would like to get some more of the scale out of the block. The engine shows all signs of having been rebuilt in the recent past so it will not be coming out of the tractor.
What have you guys used? Would a mild vinegar mix work?
I have blown a lot out with air pressure, and will try to wire in between the cylinders.
Thanks.
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Old 08-10-2019, 12:02:53 PM
Tracy T Tracy T is online now
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Default Re: De-scaling block on tractor?

I lost a impact socket, found it a year later exactlay where i used it last under the vehicle. it had been exposed to road salt and everything else, I soaked it in 100% vinegar overnight and the rust was gone! forgot about the pan and next thing i knew it ate thru the pan!
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Old 08-10-2019, 01:31:09 PM
David Hoover David Hoover is offline
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Default Re: De-scaling block on tractor?

Get the stronger cleaning viniger, it’s a higher percentage
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Old 08-10-2019, 05:58:47 PM
NDmeterman NDmeterman is offline
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Default Re: De-scaling block on tractor?

Or "glacial" acetic acid if you have access to a chemical supply house - that's the 100% strength version of vinegar.
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Old 08-10-2019, 09:00:43 PM
Molinegb Molinegb is offline
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Default Re: De-scaling block on tractor?

Ford 6l diesel had issues with block sand plugging egr setup. I used a recommended block flush and mine still original. On Ford diesel sites.
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Old 08-10-2019, 09:41:47 PM
Duey C Duey C is offline
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Default Re: De-scaling block on tractor?

Would a baking soda treatment help to neutralize the vinegar bath?
I've seen mention of neutralizing the rad system after a vinegar treatment in an engine block/rad on other sites/posts.
Like the Dyke's manual suggests: "To remove scale from the inner surface of the radiator: One method is by using hot water, in which a small amount of ordinary washing or baking soda (about one teacupful to each two gallons) has been dissolved. Fill the radiator with this solution, and then start the engine and run it with the spark retarded for about 15 or 20 minutes until the solution becomes hot and has thoroughly circulated the entire water system. Drain off the solution and thoroughly flush the system with clean water, using a hose for the purpose. Do not permit the solution to remain in the radiator for more than an hour. Be careful to not to spill any of the soda solution on any painted or varnished surface." I did this to an old, scaled up radiator for a model T that was pretty crummy looking inside. Worked a treat! That rad is still going strong/cool.
A. L. Dyke does go on to mention "For very hard deposits a solution of one quart of commercially pure muriatic acid to five gallons of water circulated through the system slowly for five minutes is advised by one manufacturer. We get 18% muriatic acid easily. I don't know what "commercially pure" was.
Hoping a help and not a hindrance.
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Old 08-10-2019, 10:33:43 PM
Bubbles Bubbles is offline
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Default Re: De-scaling block on tractor?

Muriatic Acid is just watered down HCL (Hydrochloric Acid).
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Old 08-10-2019, 11:21:42 PM
Oilpulled Oilpulled is offline
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Default Re: De-scaling block on tractor?

The muriatic acid is Hcl or hydrogen chloride or hydrochloric acid. That is the same acid as in your stomach. Strength is the difference. I would be cautious about acid in a soldered radiator and never in an aluminum one. When I first ran my eagle, I restored the rusty steel tanks but the Perfex cellular radiator core was perfect and fairly clean. I circulated dilute muriatic acid in the system without the radiator and let it set for a few hours and then rinsed thoroughly and then put in some sodium bicarbonate (baking soda) to neutralize any possible remaining acid. With acids be sure that any corrosion protecting anodes, usually magnesium, are removed. Acid on high strength steel will cause hydrogen embrittlement which may cause fracture failure. If acid has been used on such steel, bake at 400 to 500 deg F or 200 to 260 deg C immediately and do not wait.

---------- Post added at 10:17:48 PM ---------- Previous post was at 10:06:19 PM ----------

I prefer muriatic acid to vinegar because of the vinegar odor. Muriatic from the hardware store is strong and the fumes burn your respiratory system and rust steel. Dilute to a reasonable strength. The acid is just corrosive hydrogen chloride gas dissolved in H2O (water). A corked bottle of the acid will, sometimes, blow out the cork as the gas tends to escape.

---------- Post added at 10:21:42 PM ---------- Previous post was at 10:17:48 PM ----------

I store my muriatic acid plastic bottle outside, away from galvanized surfaces and steel which I don't want to rust.
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Old 08-10-2019, 11:22:45 PM
casertractor casertractor is offline
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Default Re: De-scaling block on tractor?

http://www.starbrite.com/item/descaling-motor-flush
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Old 08-10-2019, 11:28:36 PM
Oilpulled Oilpulled is offline
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Default Re: De-scaling block on tractor?

Quote:
Originally Posted by casertractor View Post
Note that it contains hydrochloric acid.
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Old 08-11-2019, 07:05:23 AM
G Willikers G Willikers is offline
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Default Re: De-scaling block on tractor?

Thanks for responses. I should have mentioned the head is off right now and I was thinking of something to soak in the block while it is off. I can keep working away manually and with air for now. Have not tested the rad for leaks yet-some scale in the tanks.
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Old 08-11-2019, 10:12:42 AM
Wayne Riedlinger Wayne Riedlinger is offline
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Default Re: De-scaling block on tractor?

I would pour bleach in to it. Leave it sit for a day then flush it out. We have tried to pull water well pumps and they wouldn't budge. pour a gallon of bleach down and after a day they come right out. it sure cleans the rust scale and lime and sodium build up in the pressure system on your house so it should work on the tractor.
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Old 08-11-2019, 10:18:45 AM
David Hoover David Hoover is offline
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Default Re: De-scaling block on tractor?

Kerosene will take it out too
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Old 08-11-2019, 12:50:08 PM
Caanderson Caanderson is offline
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Default Re: De-scaling block on tractor?

I had modified an air type blow gun to fit the end of a garden hose to break the rust buildup in the block of a 9n Ford, it seemed to work pretty good. I had the head off and blew the debris out a frost plug hole.
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Old 08-11-2019, 01:30:18 PM
ronm ronm is offline
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Default Re: De-scaling block on tractor?

Watch out for muriatic acid. At the JD shop, our old ancient steam cleaner got the coils plugged, wouldn't work worth a crap. One of the salesman/owners heard that muriatic was supposed to clean them out, so he brought the coils INTO THE SHOP, filled them with muriatic, & left them open in there all weekend...Monday morning every bare metal surface in the shop had a nice coating of rust-vises, workbench tops, unpainted parts, JD special tools on the wall board, you name it...
And the old steamer still didn't work worth a crap...
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Old 08-11-2019, 07:27:54 PM
slip knot slip knot is offline
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Default Re: De-scaling block on tractor?

Muriatic will work but it will flash rust very quickly. and I've seen stuff that the rust was worse a week after the acid than it was before the acid. I've given it up for good on cleaning rusty metal.
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Old 08-11-2019, 08:29:41 PM
Oilpulled Oilpulled is offline
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Default Re: De-scaling block on tractor?

RonM; That steam cleaner coil should have been cleaned out outside because of that rust situation.

If you don't want scale to accumulate in a system, then just use rainwater!
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Old 08-12-2019, 12:13:07 AM
ronm ronm is offline
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Default Re: De-scaling block on tractor?

Quote:
Originally Posted by Oilpulled View Post
RonM; That steam cleaner coil should have been cleaned out outside because of that rust situation.

If you don't want scale to accumulate in a system, then just use rainwater!
Ya think? Good grief, Captain Obvious!
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Old 08-12-2019, 02:36:04 AM
Mike McKnight Mike McKnight is offline
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Thumbs down Re: De-scaling block on tractor?

Quote:
Originally Posted by ronm View Post
Ya think? Good grief, Captain Obvious!
C’mon man, ain’t that kinda harsh?
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Old 08-12-2019, 10:01:05 AM
ronm ronm is offline
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Default Re: De-scaling block on tractor?

Why restate something that has OBVIOUSLY already been said? What do you think the "IN THE SHOP" was in caps for?
Yeah, harsh maybe, it's been a tough year & I'm grouchy...deal with it or ignore me, I don't give a crap...
BTW, how the hell do you use rainwater in a steam cleaner? it hasn't rained enough here in 100 years to supply a steam cleaner for 5 minutes...

(G, sorry about the derail of your thread. Thought I was just passing on info that might be useful...)
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Last edited by ronm; 08-13-2019 at 08:38:06 AM.
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