[ARC5] R-4/ARR-2 schematic?

[D. Platt]

I sent Clare the schematic from the "Surplus Schematics Handbook".  The 
copy looks quite good, in fact, in this particular publication.  Its the 
"A" model but hopefully it'll be OK.

Jeep - K3HVG



On 10/10/2012 12:45 AM, WA5CAB at cs.com wrote:
> Clare,
>
> I've forgotten which of the seven or eight "conversion handbooks" had the
> schematic of the R-4/ARR-2 but it wasn't very well done and might have been
> shot down onto 8-1/2X11 (a few in that series weren't but most were).  And if
> it was scanned by the usual suspects it's probably illegible anyway.  High
> quality to that bunch means that they accurately copied all of the coffee
> stains, staple marks, browned tape repairing tears and the yellowed background
> of all of the pages.  Anyway, no old saying was ever truer than "If it's
> Free, it's probably worth what you paid for it" as applied to manuals.
> Perhaps followed by "If it's worth doing at all, it's worth doing right".
>
> Anyway, NA 08-5Q-261 is the Handbook of Operating Instructions.  I could
> sell you a decent complete reprint for $16.10 plus postage, but although it
> does have seven foldouts, they are mostly cabling diagrams for the four radio
> sets covered.  No schematics.
>
> The Handbook Maintenance Instructions on AN/ARR-2(*) (and AFAIK the final
> revision) is AN 16-30ARR2-2 dtd 10/01/45 rev 05/01/54.  176 pages plus 52
> 11X17 foldouts.  I could sell you a complete reprint of that as well for $48.70
> plus shipping but I doubt that your project has that high a priority.  :-)
> If you will confirm whether the receiver you are actually trying to save is
> an R-4/ARR-2 or an R-4A/ARR-2 (I assume that it is not an R-3/ARR-2X or
> R-3A/ARR-2X) I'll email you a decent PDF of the correct schematic.
>
> I would suspect, although I didn't dig through the pages and pages of
> photos to confirm it,  that the square versus round tuning shaft is either
> because one receiver is an R-4 and the other an R-4A or because one receiver once
> had a C-37 remote tuner installed.
>
> Robert
>
> In a message dated 10/09/2012 22:42:55 PM Central Daylight Time,
> radiocompass at yahoo.com writes:
>