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Re: [TowerTalk] Thrust Bearing Protection

To: "Perry - K4PWO" <k4pwo@comcast.net>, <TowerTalk@contesting.com>
Subject: Re: [TowerTalk] Thrust Bearing Protection
From: "Gene Smar" <ersmar@verizon.net>
Date: Sat, 15 Oct 2011 11:10:10 -0400
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
TT:

     I used a plastic funnel (Home Despot) with the neck cut down a bit to 
almost fit the mast.  Then I split the top of the remaining platic into 
slits to slide over the mast.  I sealed this with a SS hose clamp and 
caulking.  Here's a photo:  http://tinyurl.com/3bv2zac .

73 de
Gene Smar  AD3F




----- Original Message ----- 
From: "Perry - K4PWO" <k4pwo@comcast.net>
To: <TowerTalk@contesting.com>
Sent: Saturday, October 15, 2011 3:33 AM
Subject: Re: [TowerTalk] Thrust Bearing Protection


>I used a standard rubber roof vent seal for a vent stack.  I just cut the
> "bell" part out of the base and used that.  It looks a little lop sided
> since it was designed for the roof slope but it covers the bearing very
> well.
>
> 73 de Perry - K4PWO
>
> -----Original Message-----
> From: towertalk-bounces@contesting.com
> [mailto:towertalk-bounces@contesting.com] On Behalf Of Dan Hearn
> Sent: Friday, October 14, 2011 9:59 PM
> To: towertalk reflector
> Subject: [TowerTalk] Thrust Bearing Protection
>
> When my 131 ft UST crankup arrived it had a 2 7/8 chrome moly mast with a
> nice top bearing. The bearing has a zerk fitting and I was concerned that
> water would stand in the top of the bearing. In order to prevent that I
> picked up a rubber feeding bowl at a local farm store. As I recall it was
> about 8 inches or so in diameter and possibly 4 inches deep. I cut a hole 
> in
> the center which would pass the mast but was a tight fit. This can be 
> lifted
> up and will stay gripped to the mast when I want to grease the bearing.
>  Unfortunately I was not wise enough to do this before the mast was
> inserted into the tower so I cut a slit from the center to the outside of
> the bowl and was able to twist the bowl to slip it onto the mast. I had
> installed a strip of aluminum where the cut was made held with some 
> screws.
> Possibly one could use silicone rubber cement to seal the cut or something
> else. It has been up for 10 years with no problems
>
> -- 
> Dan Hearn
> N5AR
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