[R-390] Collins R 389 PTO

[Cecil Acuff]

Well I have to ask...what was the military standard operating procedure to 
keep the operators from damaging the things....I can't believe Collins would 
design a radio that would self destruct in the hands of an operator?

I realize I am showing my lack of knowledge of this particular radio but 
that is less important than understanding how one was to operate the thing 
as Collins designed and have it survive.

Cecil
----- Original Message ----- 
From: "2002tii" <bmw2002tii at nerdshack.com>
To: <R-390 at mailman.qth.net>
Cc: <R-390 at mailman.qth.net>
Sent: Tuesday, May 05, 2009 8:00 PM
Subject: Re: [R-390] Collins R 389 PTO


> Bob wrote:
>
>>any suggestions on usage or PM for [R-389 PTOs] that are still in
>>good condition?
>
> Yes.  Clean the drive, with particular attention to the clutch, and
> make sure the clutch is 100% FB.  Then disconnect the wires from the 
> motor.
>
> Many people think they have the self-discipline to keep their hands
> off the motor tuning knob, so they omit the second step.  Then they
> think, "What the hell, once won't matter, I'll be careful," and not
> long after that they have a mangled PTO.
>
> Best regards,
>
> Don
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