[TowerTalk] Above the Thrust Bearing

Towertalk

[TowerTalk] Above the Thrust Bearing

To:	<towertalk@contesting.com>
Subject:	[TowerTalk] Above the Thrust Bearing
From:	k3bz@arrl.net (Jerry K3BZ)
Date:	Mon Apr 7 16:12:19 2003

My old-style Heights aluminum tower has a plate to mount the rotator,
another plate 18" above that for the thrust bearing, and 18" above the
thrust bearing the very top of the tower is a 12" section of aluminum tube
with an ID of slightly more than 2 inches.  The mast would have
metal-to-metal contact as it passes through the tube. Is it necessary and/or
desireable to grease or otherwise lubricate the mast where it passes through
this tube?  If so, what's the best lubricant to use?

Jerry K3BZ

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