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Post by birddog on Sept 18, 2019 20:02:28 GMT -6
I have an older JD drill ( a model B i believe) that set up a long time and some of the bearings on the discs seemed to be caked up with dried up grease.
They turn, just not very smooth. They won't take more grease. Is there something to squirt in to the grease hole to dissolve the grease or is this something that just has to be taken apart and cleaned or replaced?
Thanks
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Post by M-5 on Sept 19, 2019 5:54:14 GMT -6
Fwiw get you some free-all penetrating spray. (Oriellys auto parts) the absolute best I have ever used. Better than acetone and tranny fluid . Screw out the fitting and spray in hole. Then just work it till it breaks loose. New fittings and grease the shit out of it.
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Post by chuckie on Sept 19, 2019 8:10:29 GMT -6
When ever I find a grease fitting that will not take grease, I get a safety pin and mash down on the little ball bearing that holds it shut. I can dig around the ball and often grease will come up from the alemite. Seldom have I ever had to replace one even on something that has been sitting.
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Post by birddog on Sept 19, 2019 12:19:34 GMT -6
The grease zert is okay, it is just over the years the bearing has just been over packed and it seems to have dried up to where it has very little play. The seal is remarkably strong as it is holding even with the over pressure. When I removed the zert the pressure was relieved and some old grease oozed out.
I removed it again this morning and sprayed PB blaster into it. Worked it around some and sprayed it again. It is still stiff but turning now.
I planted about 12 acres with it this morning and is working a lot better. I'll spray some more in when finished.
These old JD drills are well made machines and it surprises me how everything works so well for a 45 year old machine. And to top it off, parts are still available.
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