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TB3 Thrust Bearing

To: <>
Subject: TB3 Thrust Bearing
From: (AA1K Jon Zaimes)
Date: Sun, 12 Jan 1997 08:48:52 -0500 (EST)
I had several requests to pass along the any info I received on my TB3
question. Here's a good tip from W0UN:

To: <>
>Date: Fri, 10 Jan 1997 21:02:51 -0600
>To: AA1K Jon Zaimes <>
>From: John Brosnahan <>
>Subject: Re: TB3 Thrust Bearing
>>I recently acquired a TB3 thrust bearing that had been in service for
>>several years. When I removed it from the tower it was not turning smoothly;
>>seemed like there was either serious dirt in there or perhaps busted bearings.
>>I'll try a simple cleaning first, of course, but if there is internal damage
>>I was wondering if these can be rebuilt? 
>Jon, don't have one in front of me to remind me exactly how
>to take it apart (it has been a few years)--but there is an allen set
>screw in the side that will allow the bearing to be removed once it is
>unscrewed.  Then you can pull it apart--check the bearings, check the
>lube, and check to see if the bearing race is still in good shape.
>When time to reasseble--just put the halves back together push
>the ball bearings back in and put the set screw back.
>No, it isn't obvious at first glance--but once you know the trick it
>will be very satisfying!
>]gl es 73  John  W0UN

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