[R-390] Re: R-390/URR

[rbethman]

Bob,

Do you by chance have the Dial Lock engaged?  As if you were going to 
adjust the PTO to agree with the Veeder Root readout with the calibrator?

Bob - N0DGN

Bob Young wrote:
> I looked at it today and the PTO is turning fine and there is no play 
> there, the problem is in the big front clutch gear (counter drive 
> gear?) right behind the front panel. There is a little space between 
> the clutch and the mating surface which is not in my other one. This 
> allows the PTO to turn (had it opposite, sorry)  but the whole rest of 
> the mechanism doesn't turn, you can feel it in the kilocycle knob, 
> there is a little play in it which is why I called it backlash. I have 
> loosened the clamp and moved the large gear to see if the gears were 
> worn but this had no effect. I would say there is about 1Kc of play 
> there in which the PTO turns but the readout doesn't, I judges this by 
> the BFO. The PTO turns freely and there is no play there at all. The 
> Oldham Coupler was fine.
> I founbd out something else today, there is no spring on the PTO 
> oldham coupler on my other one, does anyone know of a source for these?
> Also I will measure those voltages on E210 today as I plan to do a 
> rough line up of this one today,
>
> Bob
> KB1OKL
>
> From: Tim Shoppa <shoppa_r390a at trailing-edge.com>
> To: youngbob53 at msn.com, rbethman at comcast.net
> Cc: r-390 at mailman.qth.net
> Subject: Re: [R-390] R-390/URR
> Sent: Sunday, October 28, 2007 2:35 PM
> Bob Young wrote:
>> >>> I'm working away on 2 390's also, got one running pretty well so 
>> >>> far, it really just needed a good electrical alignment, I need a 
>> >>> couple of crystals for it. I haven't checked the cams yet though. 
>> >>> The bands are uneven. I changed the PTO in the other one, I'm >>> 
>> getting severe backlash, not sure why yet, I think the oldham >>> 
>> coupler is hooked up ok although it didn't have backlash until I >>> 
>> decided that the oldham coupler two sides needed to be closer >>> 
>> together after I put it in.
>> >>>
>> >>> I'll check mine tomorrow for those readings and see what I get on 
>> E210.
>