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Dish Soap vs. Grease

S

spiffy1

Member
For some reason I have grease stuck in my head as proper lube for wet-sleeve o-rings, but thought there were a couple recommendations around here for dish soap.

I've used soap on orings before in other applications, but despite having water on one side anyway, putting [yeah, minscule amounts] soap in the crankcase makes me hesitant.

What says the experts?
 
Hello,
The only thing to put on linner orings is soap.
any oil or grease will swell the orings. JD sells oring soap. I use tire soap, dish soap is not good because of the additives it will hurt your linners.
Good Luck Ed
abcrepairparts
 
I have overhauled a few of the O/T green tractors and use JD liner soap. JD doesn't recommend using grease or oil because it can swell the o'ring too much and possibly scuff it. They don't like regular dish soap either. Their liner soap has a wax feel to it when it dries. I have never used anything besides their liner soap but it has yet to cause a problem either. It is available across the parts counter.
 
We always use vegatable oil, when I worked at IH that is what they recomended as it wouldnt swell the orings, never had a problem with it yet knock on wood, good luck.
 
You put some lube on the o-ring then put the skeeve in now just where can the o-ring go. I have used different materials and none leak. Anything for some "lube" is better than dry.
 

Thanks Everyone!

Couldn't find my tube of o-ring grease anyway, so I'm glad there are so many options. Thought about checking into that JD lube, but they were closed by the time I got to town this weekend; however, the vegetable oil sounds like a great plan. Else, I may just go with the Palmolive. After snagging some scrubbies from under the sink to clean parts and stuff the breather tubes, I may as well raid it again. :lol: I love Gene's theory; can't beat a warm fuzzy like that!
 
I have never replaced sleeves, but have used MANY o-rings. I usually use Lucas X-Tra Heavy Duty grease from the 14.5 oz tube (green grease). I know it is a premium grease (I have seen it on a test machine aginst Lubriplate and Mobil synthetic) and have had no adverse reactions with hydraulic oil.

Just curious. If the o-ring seals the (I am guessing wet sleeve) to the block, when you torque the head does it lock it in place? If it "swells" will it bulge into the water jacket or what? I am interested in this application of an o-ring. Is this a special o-ring? What tempatures are it subjected to? Is it in hot water or the combustion area?

Thanks,

Charles
 
(quoted from post at 22:16:39 01/26/09) I have never replaced sleeves, but have used MANY o-rings. I usually use Lucas X-Tra Heavy Duty grease from the 14.5 oz tube (green grease). I know it is a premium grease (I have seen it on a test machine aginst Lubriplate and Mobil synthetic) and have had no adverse reactions with hydraulic oil.

Just curious. If the o-ring seals the (I am guessing wet sleeve) to the block, when you torque the head does it lock it in place? If it "swells" will it bulge into the water jacket or what? I am interested in this application of an o-ring. Is this a special o-ring? What tempatures are it subjected to? Is it in hot water or the combustion area?

Thanks,

Charles
Click to expand...

As far as I know, nothing too funky for material. Perhaps Viton; no idea at all on the oringals.

They fit in the lower end of the sleeve [sealing the sleeve to the block] separating the water in the block and oil in the crankcase. So water temp would be a pretty good temp estimate; same with pressure [no contained pressure in this case].

The groove is in the block, and the sleeve [no groove] is a pretty close fit; so nowhere to go. In this case these were not molded continuous, so I was more concerned about any degradation [overswelling and retrating later etc.] that might cause it to leak at the seam.
 
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