I have a Makita 5010 5'' random orbital sander that has been working fine until this morning. It now rotates at a high speed only but will not go into a random orbit mode as before. Any help would be appreciated. Thanks.
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Re: Makita 5010 will not work in random orbital mode
It sounds like the bearing in thee bottom plate is seizing. If you turn the pad by hand does the motor turn. It should be smooth. I would look at that. The bearing number for Makita is 211236-8 or if you can get a generic bearing it is 6002DDW. Let me know
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HI, i have a feeling the pad could be the issue there.
The genuine Makita one is designed for the motor, so unless the the replacement is exactly the same thickness, diameter, and weight then you will have problems.
Imagine putting a small wheel designed for a car on a truck, that kind of issue.
Best thing to do is to try putting the old Makita pad back onto the machine and see if that make any difference. (that is if you still have it)
At work we have had similar problems where we have used non-genuine circular saw blades onto our Makita saws, and its has burnt the motor out.
Just under the sandpaper pad is a bearing that allows the pad to work as an orbital, that is it can turn freely, independently of the armature. If enough sawdust builds up around or inside this bearing the pad will spin like you describe and this is a fairly common problem with orbital sanders. You need Makita part number 211236-8 or a bearing #6002LL. It's fairly easy to replace; remove the screw in the center of the pad and remove it. Depending on which is tighter, the bearing will either be in the back of the pad or it will stay on the armature. Pry it off/out of the sander. Reassemble everything with the new bearing and you'll be back in business.
A makita power planer is just what it says, a planer. It has blades that spin at high speed and remove a thin layer of wood with each pass. The orbital sanding sheets go on another tool called an orbital sander. Write back if you find the sander and can not figure out how the sheets go on it.
The armature windings have an overlay problem in the wiring causing this and there is no soluation except to replace the armature which is not cost efective unless you are still under
Warrantee and get a free replacement, it will burn up at some point. If you bought it within the last month take it back and get a new one, over one month, pack it back up in the original box and send it to address in the owners manual for repair or replacement service addresses.
Usually there are 3 screws holding the plate to the eccentric assembly. The pad is formed to a metal plate and is sold as an assembly. You can go to Makitausa.com with the model number and get a replacement pad.