Geebax
Captain
Australia
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Mark The Droner Posted at 2018-3-30 11:13
I would like to comment on your post.
I always thought these bearings were packed with specially graded grease (designed for these tiny bearings) and within a leak-proof chamber to keep the grease from leaking out - and also from contaminants from getting in. But apparently, I'm wrong. You seem to be saying that we can indeed lubricate our DJI motor bearings quickly and easily with a tool as simple as a toothpick. This is the first I've heard of this. Apparently, we can apply oil to the motor shaft somewhere which will somehow enter the bearing chamber. Right? I guess there is a inlet of some sort which will allow the oil to enter the chamber? Is that right? And this is beneficial. Is that correct? Won't this oil that's mixing with the grease contaminate or dilute the grease which is already in there? Won't the oil that's applied to the outside of the motor attract dust? If not, why not? What oil would you recommend for this procedure? 3 in 1?
solentlife is correct, the bearings are shielded, not sealed, but you are also correct in that the lubrication applied to them is gease, not oil. The correct procedure for lubricating them is to remove them, placed in an ultrasonic bath of degreaser, then into a bath of heated grease that is liquefied to allow the grease to penetrate the housing. Not a practical thing to do for the average user.
You can lubricate a dry bearing by placing a tiny drop of oil on the edges of the bearing shield, but it is not an ideal method of lubrication.
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