-----Original Message-----
From: towertalk-bounces@contesting.com
[mailto:towertalk-bounces@contesting.com] On Behalf Of K7LXC@aol.com
Sent: Freitag, 31. Oktober 2008 13:47
To: towertalk@contesting.com; draxfelton@gmail.com
Subject: Re: [TowerTalk] Thrust bearing re-grease
In a message dated 10/30/2008 8:57:53 P.M. Pacific Daylight Time,
towertalk-request@contesting.com writes:
> Could someone recommend what puller tool I would need to beg,
> borrow,
or buy to pull a thrust bearing apart with to re-pack it with grease?
I'm not that familiar with bearings or whether the tool used for
automotive bearings that a mechanic might have would work or not. I'm
talking about a thrust bearing that in all is maybe 6 inches wide.
Not enough information. What kind of thrust bearing? Manufacturer?
Material - steel or aluminum? Is it a machine shop pillow block bearing
(square mounting plate)? Did it come with a tower?
If the bearing actually needs greasing, then there will probably be a
zerk grease fitting on it. If there isn't, then it probably doesn't need
greasing. Typical ham thrust bearings (e.g. Rohn TB-3, Yaesu) are aluminum
and don't need grease.
Cheers,
Steve K7LXC
TOWER TECH
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At least in Germany the GS065 and GS050 Yaesu bearings come filled with
grease and if one doesn´t regrease regularly they will be ruined pretty
soon, all balls rusted and the aluminum races worn.
I asked the dealers, the bearings come delivered as such, they don´t provide
the grease themselves.
73
Peter
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