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Posted by Karl Townsend on November 2, 2008, 6:58 am
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The 1 horse three phase motor on my bin dump water pump emits a howling
squeal about one in five starts. Let it squeal a while, shut the line
down,and restart. All better now. At least that's been the fix during the
rush.
One week left till winter shutdown. Do I just trash the motor, or is it
easily repairable? FWIW, the motor stands on end, So the noise is likely the
armature rubbing on the motor housing. I'm surprised I haven't let the magic
smoke out yet.
Karl
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Posted by Bob F on November 2, 2008, 7:15 am
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> The 1 horse three phase motor on my bin dump water pump emits a howling squeal
> about one in five starts. Let it squeal a while, shut the line down,and
> restart. All better now. At least that's been the fix during the rush.
>
> One week left till winter shutdown. Do I just trash the motor, or is it easily
> repairable? FWIW, the motor stands on end, So the noise is likely the armature
> rubbing on the motor housing. I'm surprised I haven't let the magic smoke out
> yet.
If you can get the bearings out, a bearing shop should be able to sell you
replacements. Call them with the number from the bearing to be sure.
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Posted by Ignoramus22113 on November 2, 2008, 9:13 am
Please log in for more thread options Replacing bearings in motors is v ery easy if you have a"bearing
puller".
i
>
>> The 1 horse three phase motor on my bin dump water pump emits a howling
squeal
>> about one in five starts. Let it squeal a while, shut the line down,and
>> restart. All better now. At least that's been the fix during the rush.
>>
>> One week left till winter shutdown. Do I just trash the motor, or is it
easily
>> repairable? FWIW, the motor stands on end, So the noise is likely the
armature
>> rubbing on the motor housing. I'm surprised I haven't let the magic smoke out
>> yet.
>
> If you can get the bearings out, a bearing shop should be able to sell you
> replacements. Call them with the number from the bearing to be sure.
>
>
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Posted by Wes on November 2, 2008, 9:56 am
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>One week left till winter shutdown. Do I just trash the motor, or is it
>easily repairable? FWIW, the motor stands on end, So the noise is likely the
>armature rubbing on the motor housing. I'm surprised I haven't let the magic
>smoke out yet.
>
Tear it apart and take a look inside. Replacing the bearings is easy stuff.
Wes
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Posted by john on November 2, 2008, 2:33 pm
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Karl Townsend wrote:
> The 1 horse three phase motor on my bin dump water pump emits a howling
> squeal about one in five starts. Let it squeal a while, shut the line
> down,and restart. All better now. At least that's been the fix during the
> rush.
>
> One week left till winter shutdown. Do I just trash the motor, or is it
> easily repairable? FWIW, the motor stands on end, So the noise is likely the
> armature rubbing on the motor housing. I'm surprised I haven't let the magic
> smoke out yet.
>
> Karl
>
>
If the motor is rated to stand on end, the bearings should be angular
contact bearings. I recommend replacing them with angular contact
bearings even though the original ones are not. Angular contact
bearings will take the side load of the armature standing on end much
better than plain bearings.
John
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> about one in five starts. Let it squeal a while, shut the line down,and
> restart. All better now. At least that's been the fix during the rush.
>
> One week left till winter shutdown. Do I just trash the motor, or is it easily
> repairable? FWIW, the motor stands on end, So the noise is likely the armature
> rubbing on the motor housing. I'm surprised I haven't let the magic smoke out
> yet.