[TowerTalk] Aligning rotor, mast and thrust bearing

[n8de at thepoint.net]

Dave is correct ... especially the 'tighten DOWN' part.

Start with the bearing and work down to the rotor, tightening the  
rotor LAST, making certain it is in alignment LAST.

73
Don
N8DE


Quoting K1TTT <K1TTT at ARRL.NET>:

> Bolt it all roughly into position so it can be lifted.  Then once it is
> vertical just loosen the bolts a bit, line it up, and test, then tighten it
> all back down.
>
> David Robbins K1TTT
> e-mail: mailto:k1ttt at arrl.net
> web: http://wiki.k1ttt.net
> AR-Cluster node: 145.69MHz or telnet://k1ttt.net
>
> -----Original Message-----
> From: Rick Kiessig [mailto:kiessig at gmail.com]
> Sent: Friday, October 05, 2012 10:11
> To: towertalk at contesting.com
> Subject: [TowerTalk] Aligning rotor, mast and thrust bearing
>
> My new tower project is moving ahead nicely. All major parts have arrived,
> including the tower itself (a custom 8.5m x 0.2m diam galvanized pole). Now
> it's just a matter of finishing the construction and installation.
>
>
>
> I've been working on aligning the rotor (PST61), mast and thrust bearing
> (TB3). I was thinking about bolting everything to the tower before they
> crane it into place (suggested by the installer). However, I'm finding it to
> be a challenge to align things correctly, particularly with the tower laying
> down at an angle - too many degrees of freedom.
>
>
>
> I suppose I could just wait until the tower is vertical, but even then it
> seems like it won't be easy (since it was a custom build, I would also like
> to confirm that the bolt holes for the rotor plate and the thrust bearing
> line up correctly). If anyone has any suggestions / tips along these lines,
> I would love to hear them.
>
>
>
> 73, Rick ZL2HAM (ZL1G/ZM1G)
>
>
>
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