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[Towertalk] US Tower TX 472MDP Raising Fixture

To: <>
Subject: [Towertalk] US Tower TX 472MDP Raising Fixture
From: (David)
Date: Tue, 3 Sep 2002 19:57:12 -0400're right there's a load lock brake and a rachet pawl that holds
the weight.  Crank clockwise to raise the tower and counterclockwise to
lower it.  You should hear the rachet pawl clicking while cranking up, but
you won't hear it while cranking down because the load brake is activated.

David, K4ZZR

----- Original Message -----
From: <>
To: <>
Sent: Tuesday, September 03, 2002 6:59 PM
Subject: [Towertalk] US Tower TX 472MDP Raising Fixture

> I am helping a ham with a TX472 that has a new Raising Fixture, TRX 80HD.
> is attached and ready to use, lowering the nested tower for maintenance
> antenna work.  The raising fixture has never been used and I am looking at
> the gear box wondering what keeps the tower from "taking off" when you
> to let it down. There appears to be a clutch mechanism in the gear box
> will prevent the tower from lowering itself at a high rate of speed.  Has
> anyone used one of these? and is the clutch mechanism the "safety" device
> during lowering, or is there something I am missing.
> Thanks es 73 Bill  K3SV
> _______________________________________________
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