throwout bearing should be soaked in oil?

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pett3227b
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throwout bearing should be soaked in oil?

Postby pett3227b » Mon Jan 02, 2023 4:38 pm

I purchased a new throwout bearing should I soak it for 24 hours in oil?

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Re: throwout bearing should be soaked in oil?

Postby staninlowerAL » Mon Jan 02, 2023 4:48 pm

yes and grease it when it gets installed.
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Re: throwout bearing should be soaked in oil?

Postby ricky racer » Mon Jan 02, 2023 11:04 pm

Then grease it a couple times a year.
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Re: throwout bearing should be soaked in oil?

Postby Bob McCarty » Mon Jan 02, 2023 11:34 pm

Before installing, I'd suggest pumping cheap, low temperature grease into the zerc until grease comes out the weep hole on the opposite side. Some of the aftermarket ones come "empty".
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Re: throwout bearing should be soaked in oil?

Postby Peter Person » Tue Jan 03, 2023 10:14 am

This is an example of "cheap" grease;
TSC Cheap Grease.jpg

The idea is to use a grease that allows the oil to separate easily from the base.

This is a brand new throwout bearing that we cut apart at CubFest NE 2011 that had failed.
Image
- Bearing was not soaked in oil before installing.
- Wrong grease used.
- Cavity not filled to the point of coming out the hole opposite the zerk.
We also suspect the "liner" may have contributed to premature failure even if the proper and sufficient grease had been used.
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Re: throwout bearing should be soaked in oil?

Postby ScottyD'sdad » Tue Jan 03, 2023 10:44 am

I keep a spare TO bearing "marinating" in cheap grease, in a plastic bag. Always ready, if I need it.

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Re: throwout bearing should be soaked in oil?

Postby inairam » Tue Jan 03, 2023 10:59 am

the first one I did was greased but not soaked in oil prior to install. It went in about 3-4 months.
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Re: throwout bearing should be soaked in oil?

Postby Jim Becker » Tue Jan 03, 2023 12:37 pm

I have contemplated the idea of squirting the grease cavity full of oil while the bearing is soaking in oil. Then pump grease in place of the oil at install time. I haven't actually tried it.

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Re: throwout bearing should be soaked in oil?

Postby Dale Finch » Tue Jan 03, 2023 5:50 pm

Jim Becker wrote:I have contemplated the idea of squirting the grease cavity full of oil while the bearing is soaking in oil. Then pump grease in place of the oil at install time. I haven't actually tried it.

Jim, that sounds like a good idea! Wonder if my grease fitting cleaner, filled with oil, would accomplish this?
3950995.jpeg

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Re: throwout bearing should be soaked in oil?

Postby Bob McCarty » Tue Jan 03, 2023 5:59 pm

Dale Finch wrote:Jim, that sounds like a good idea! Wonder if my grease fitting cleaner, filled with oil, would accomplish this?

Or remove the zerc, hold your finger over the weep hole pointed down, and use a squirt can to fill it until it comes out the zerc hole pointed up.
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Re: throwout bearing should be soaked in oil?

Postby Dale Finch » Tue Jan 03, 2023 6:14 pm

Sure! I do seem to enjoy complicating things! :lol:
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Re: throwout bearing should be soaked in oil?

Postby Clemsonfor » Tue Jan 03, 2023 7:15 pm

If the holes are open wouldn't the oil flow into there as much as the air bubbles trapped inside would allow.

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Re: throwout bearing should be soaked in oil?

Postby Jim Becker » Tue Jan 03, 2023 10:59 pm

I was going to check that it is a threaded fitting, but thought the pump oil can was the way to go.

I'm not sure how many times the grease fitting cleaner would need to be refilled.

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Re: throwout bearing should be soaked in oil?

Postby john2189 » Wed Jan 04, 2023 7:55 am

Jim Becker wrote:I was going to check that it is a threaded fitting, but thought the pump oil can was the way to go.

I'm not sure how many times the grease fitting cleaner would need to be refilled.


A regular grease gun will pump oil.
We pump penetrating oil in the kiln car bearings at work to loosen the hard dried up grease after they come out of the kiln.
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