Question about Oster Golden A5 2-Speed Universal Motor Clipper 78005-140

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My Oster A5 twin-speed clippers lost power half way through grooming a dog there was also a slight burning smell. I'v cleaned out the fur from inside the body but its made no difference?

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  • Hot burning smells are usually associated with the armature but without checking its hard to tell.

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The cover plate is the part with two screws that has the name and other info on it. If you remove the two screws and the plate, you will see a nylon part that moves the blade back and forth--that is the lever. The other end of the lever, with a hole in it, is connected to a metal part called the link. Both parts are easily removed by simply pulling them upward from the device (if they are worn, they should be replaced. They, and the Bakelite gear, are available from various dealers through Amazon under Oster Parts). The bakelite gear is the part that the link sits on (the larger hole in the link). It too can be simply pulled up off the metal shaft that it rides upon (careful not to lose the washer under it). Check it for worn or missing teeth.
If you don’t have a tube of oster grease, a good white lithium grease is recommended in light application for the gear and the shafts (lever and gear shafts and armature gear). Also, the gear shaft has a hole down its middle (and two small holes that lead to the outside of the shaft. The shaft should be filled with grease so that grease can get through those small holes to lubicate the inside of the bakelite bearing. The small pads on each side of the lever (in the case) are oiled, not greased.
The bearings for the Oster are sleeve bearings that require oil (the one closest to the blade is served by the oil port; the little round chrome looking thing with the spring loaded ball in it). The other end is more difficult and would require disassembly, at which time it probably should be replaced.
Oster clippers, by the way, are known for getting pretty warm. Oster blade wash will help with that, as well as oiling the blades.
Hope this helps you.

Posted on Jan 30, 2010

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Bushens inside, i can replace

Posted on Jan 19, 2010

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