JD 310A

jthornton · Post by **jthornton** » Mon Apr 04, 2016 12:08 pm

I have a JD 310A and while tearing into it to replace the hydraulic pressure control valve o-rings I discovered 4 grease fittings on top of the rear axle. One by the outboard bearings and one on either side of the transmission. Any idea what kind of grease and how much I need to put in there?

Thanks
JT

cowboy4996 · Post by **cowboy4996** » Wed Apr 06, 2016 9:03 pm

The outboard fittings are for the outer bearing...All they require are a couple of pumps of grease ONCE a year. Just use a good quality grease. Overgreasing can blow the seal out. I'm not sure about the inner fittings. I just looked at an ag tractor and didn't see anything but those outer fittings. It was a bigger tractor tho.

jthornton · Post by **jthornton** » Thu Apr 07, 2016 4:26 am

Thanks for the info

JT

JWB Contracting · Post by **JWB Contracting** » Thu Apr 07, 2016 7:43 am

The grease fittings near the bottom of the axle case and pointing forward will most likely be used for bleeding the brakes. This is what I have seen on a 410, so a 310 is most likely the same.

jthornton · Post by **jthornton** » Thu Apr 07, 2016 8:47 am

Now that you say that the inboard ones do look like bleeding nipples. Glad I didn't try and grease them lol.

Thanks
JT

Stan Disbrow · Post by **Stan Disbrow** » Thu Apr 07, 2016 12:32 pm

Hi,

Maybe if you grease them, they won't be seized up whenever you need to bleed the brakes!

Stan

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