There is a torque spec for tightening the screws. Read it, believe it,
and apply it. You won't be sorry.
73
Bob, K4TAX
> Al et al.....
>
> Those of us to whom changing final transistors has become routine, often
> overlook a small but crucial point when explaining to others just how to
> go about doing it.
>
> After you've removed the old transistors, clean the pads well and make
> sure the sink surface is clean. Then, after applying compound to the
> transistors, mount them and tighten the screws BEFORE SOLDERING the
> wings.
>
> If you solder before tightening the screws, you'll likely pop the metal
> sink off the backside of the transistor, and that cannot be repaired.
> So, if you're a fan of MP devices, neither of your new transistors are
> useable and you'll need a new matched pair.
>
> Other than that, it's pretty simple. You shouldn't be afraid to tackle
> it yourself.
>
> Phil C. Sr.
> k4dpk
>
>
>
>
>
>
> On 6/13/2013 1:39 PM, Wade Staggs wrote:
>> I would love to work for Ten Tec in the Service Dept. Problem is, I am
>> tied
>> to the Middle Tennessee area due to Family concerns. I have done lots
>> of
>> older Argonauts all the way through Corsair, Paragon and Omni 6. Nobody
>> has
>> ask me to repair the newer stuff yet ! I have always found Paul, Gary,
>> John
>> and the whole crew to be Very Helpful. Once you become accustomed to
>> the
>> way Ten Tec lays out their schematics and learn some of the common
>> problems
>> .... they are a Joy to work on.
>> Final Replacement ....?? 1. Remove old Finals 2. Replace with new ones.
>> Make sure that all soldering is done neatly using enough heat. Some
>> care is
>> needed here, there is a fine line between enough heat and too much. 3.
>> Check and adjust Bias if needed and neatly reassemble the radio, paying
>> close attention to connectors and the placement of cables. I know of
>> nothing more that has to be tuned or aligned. If, I had a full Lab
>> Bench I
>> would probably check things out a lot closer. My equipment is the good
>> stuff but, very old. Thanks to John Henry, Paul and Gary... and the
>> entire
>> Ten Tec Staff for their support.
>>
>> 73 de Wade/KJ4WS
>>
>> On Thu, Jun 13, 2013 at 11:16 AM, Al Sirois <alsirois@roadrunner.com>
>> wrote:
>>
>>> Thursday, noontime: John Henry:
>>>
>>> Thanks for the support of TenTec SERVICE.
>>> =======
>>> 6 months ago I tried to have finals replaced in my Delta-II; Service
>>> told
>>> me it was not worth to do it.
>>>
>>>
>>> ===============
>>> That should be a decision the the owner should make. They would not
>>> give
>>> me an estimate of repair.
>>>
>>> I wasted the $$ for shipping both ways and the normal fee for the
>>> bench.
>>>
>>> I'm still trying to find someone to replace the finals. Maybe,
>>> Instructions from the factory could be made available for the owner to
>>> do.
>>> All the advertisement about service didn't come thru for me this time.
>>> I have had good service from Paul & Gary in the past.
>>>
>>> Al Sirois
>>> N1MHC@arrl.net
>>> ==============
>>>
>>> -----Original Message----- From: John Henry
>>> Sent: Thursday, June 13, 2013 10:03 AM
>>> To: Discussion of Ten-Tec Equipment
>>> Subject: [TenTec] Re Service Queue
>>>
>>>
>>> TEN-TEC does have an opening for a service tech, and the main rig that
>>> service tech worked on is the Orion models. So, if anyone nearby wants
>>> to
>>> apply, get with Paul Clinton in service and see what happens.
>>>
>>> Depending upon the nature of the problem it might affect service turn
>>> around, but, we are having production techs handle servicing at the
>>> moment
>>> and also one of the Orion engineers is handling the more difficult
>>> repairs.
>>> On average though, they get out rigs per week as fast as when we had a
>>> dedicated service repair person.
>>>
>>> I think what really impacted service times on the Orion is the changes
>>> in
>>> the latest firmware revision. The latest software releases provide
>>> features
>>> that improved the performance to a point that people are hauling out
>>> their
>>> Orion's out of the closet and placing them back on the bench as the
>>> main
>>> transceiver again. We are running into a lot of rigs that were
>>> "mothballed"
>>> and for whatever reason now have some issues. So we are getting
>>> bombarded
>>> with a LOT of rigs whose problems would have been resolved over years,
>>> now
>>> all at once. I guess that is a problem with continuing on with
>>> software
>>> updates providing new features taking them to new performance levels,
>>> 1 - we don't sell new rigs (why buy a new rig when the performance
>>> level of
>>> the Orions are now jumping ahead of competition? SAF for example, best
>>> feature added (per several customers inputs) to any rig in years)
>>> 2 - we have to service more rigs. (rigs that were put in storage, off
>>> the
>>> shelf, and due to whatever reason now exhibit issues that need
>>> repair).
>>>
>>> I'll quit rambling and get back to work. Enjoy
>>>
>>> Thanks, and 73,
>>> John Henry, KI4JPL
>>> TEN-TEC Engineering
>>> ______________________________**_________________
>>> TenTec mailing list
>>> TenTec@contesting.com
>>> http://lists.contesting.com/**mailman/listinfo/tentec<http://lists.contesting.com/mailman/listinfo/tentec>
>>> ______________________________**_________________
>>> TenTec mailing list
>>> TenTec@contesting.com
>>> http://lists.contesting.com/**mailman/listinfo/tentec<http://lists.contesting.com/mailman/listinfo/tentec>
>>>
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>
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>
--
Disclosure:
I am a Tentec Ambassador and compensated according to the Tentec
Ambassador plan. I serve as a volunteer beta test person for the Omni
VII, Eagle and Argonaut VI products. Otherwise, I hold no business or
employment interest with Tentec.
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