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Re: [TenTec] PTO Rebuild or not?

To: tentec@contesting.com
Subject: Re: [TenTec] PTO Rebuild or not?
From: "Dr. Gerald N. Johnson" <geraldj@weather.net>
Reply-to: geraldj@weather.net, Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Wed, 01 Dec 2010 09:12:33 -0600
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
The frame of the PTO is cut from a bit of aluminum channel and the 
inside is not exactly perpendicular to the shaft, but that's how the out 
race is supported at an angle to the shaft, not quite square. The race 
in my Corsair II had such a groove that the drive slipped badly, 
especially at the end of the band where the spring tension is highest. 
The new part had no groove. It was wear, not factory machining.

73, Jerry, K0CQ

On 12/1/2010 8:01 AM, Mike Hyder -N4NT- wrote:
> I used Dawn dish detergent (applied with an old toothbrush) to cut through
> the old grease.  In only one PTO did I think I saw signs of wear -- the
> bearing race had a groove "worn" in it.  Looking back on it, I'd bet that
> was the way it was machined before Ten-Tec found it could reduce the cost of
> that part by not machining the groove.  Otherwise the parts have never been
> necessary for me.
> When rebuilding, I've found a shallow pan like a pizza pan is handy to hold
> little parts, mainly the little bearings.
> on the side of the PTO.
> 73, Mike N4NT
> ----- Original Message -----
> From: "Curt"<rhulett1@comcast.net>
> To:<tentec@contesting.com>
> Sent: Tuesday, November 30, 2010 10:14 AM
> Subject: [TenTec] PTO Rebuild or not?
>> I own an Omni D that works well and enjoy using, except the PTO is
>> beginning
>> to drag.  Have the kit to rebuild it, have never done a rebuild before,
>> but
>> am reasonably mechanically capable. TT tells me the price is $125 to
>> rebuild
>> it, and then of course the shipping will likely add at least another $50.
>> They tell me alignment after rebuild is probably not necessary.
>> So, appreciate advice about rebuilding/having TT rebuild it/ or avoiding
>> the
>> issue by just selling the rig,    Finally, assuming I rebuild, what is the
>> best solvent to remove the old grease?  Is Varsol ok?
>> 73, Curt KB5JO
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