A chemical to get burned oil off

markiz41

Member
In trying to rebuild an old hydraulic jack, I had to use the torch a lot to tear it down. All the residual oil that was still in the unit got burned and caked on the inside, and is hard to get to with a wire brush. Probably inside the valve seats too. The solvent in the parts washer softened it some, but can't quite cut it. I need this thing cleaned up before I move on, anybody know a chemical soak or spray that'll handle the job? Thanks for all and any advice.
 
Will not hurt cast iron, steel, stainless, brass, or plastic but will eat aluminum and pot metal. Also called caustic soda.
 
(quoted from post at 14:11:12 09/05/17) Will not hurt cast iron, steel, stainless, brass, or plastic but will eat aluminum and pot metal. Also called caustic soda.

The sodium hydroxide (caustic soda) oven cleaner that I sell by the truckload will etch steel given enough time, but used as directed by greg, and neutralized with vinegar afterwards will not hurt it a bit.
 
Yes, it works good on grills. Best done often so it doesn't get too caked on.

It will also clean expanding foam off hands. Only thing I have found that will! And you will be surprised at how many little cuts you have! LOL
 
I just used oven cleaner on my 1030 to clean off 50 years of cooked on grease, oil, and dirt. Worked great, just spray on and rinse off. Might take several tries, took 3 on my tractor. It will fade paint tho.
 
Agree 100%. I rebuilt our old Ford 2N last summer. (In frame engine rebuild) The area under the valve cover was filthy with burnt on oil and greasy deposits. I sprayed it with Easy Off, let it rest and then used plastic scrapers to remove the loosened deposits.

Did that for two cycles.

For the final wash, I used dairy pipeline detergent at a strength about 5 times as strong as one would use to clean a pipeline milking system.

Engine was spotless when I was done.
 
(quoted from post at 19:25:20 09/05/17) Agree 100%. I rebuilt our old Ford 2N last summer. (In frame engine rebuild) The area under the valve cover was filthy with burnt on oil and greasy deposits. I sprayed it with Easy Off, let it rest and then used plastic scrapers to remove the loosened deposits.

Did that for two cycles.

For the final wash, I used dairy pipeline detergent at a strength about 5 times as strong as one would use to clean a pipeline milking system.

Engine was spotless when I was done.


Dairy pipeline cleaner, which the manufacturer that I work for also makes, is very similar in formulation to open cleaner.
 

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