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[TowerTalk] Lube a Rohn Thrust Bearing?

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Subject: [TowerTalk] Lube a Rohn Thrust Bearing?
From: (Robin E. Midgett)
Date: Sat, 14 Jun 1997 18:51:34
I  have had a TB3 up for 4 years; no sign of deterioration at all. I was
told by a Rohn rep that there is no need to lube it; is made of alumminum &
has stainless steel ball bearings, & only turns at about 1 rev per minute.
If it does its job, leave it alone.

At 05:49 AM 6/14/97 -0600, Charlie Summers wrote:
>Has anyone ever tried lubricating a Rohn TB for a Rohn 45 tower?  
>I tried to take one apart only to find that many ball bearings appear
>under the only set screw on the inside of the bearing.  It appears as if
>one could squirt some form of grease into that hole and saturate the
>bearing race but hard to tell.  It also appears one needs to remove all
>the ball bearings before the Thrust Bearing truly comes apart.
>The Rohn thrust Bearing has sounded like a metal to metal happening ever
>since I got it.  It does not seem to be a precisions piece of equipment
>but then maybe it doesn't have to be.  Mine worked for 13 years atop the
>tower and it still lookes like it did the day I opened the package.
>Any comments?
>Charlie, W0YG..>>
>FAQ on WWW:     
>Administrative requests:
73, Robin KB4IDC

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