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+-- Thread: How to determine if motor bearings are going bad? (/showthread.php?tid=7359096)
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RE: How to determine if motor bearings are going bad? - TDKPE - 11-25-2020
(11-24-2020, 10:15 PM)Wild Turkey Wrote: I have a "mechanic's stethoscope" that lets me listen to the noises from certain areas via a metal probe so I can easily listen to the suspect area.
really helps me locate a noisy bearing, but wouldn't help if quiet is the problem
The OP can stick a big screwdriver on the bearing housing or cap, and his ear on the handle, and possibly hear the bearing spinning the blade by hand. Old-school. Not as good as a stethoscope, but definitely better than the unaided ear. Especially my ears.
RE: How to determine if motor bearings are going bad? - John Mihich - 11-25-2020
IMO - don't worry about the bearings. You don't have an electronic stop so the blade will spin; lots of force on the blade when power is shut off so it will spin for a while. You will be able to hear bad bearings.