[ARC5] Reviving squealing "command" receivers (re-capping)

[WA5CAB at cs.com]

In their originally intended useage, the reason for most tubing cutters 
having the slightly offset groove in the backup wheels or rollers is to allow 
you to cut off a flare with minimum length loss of the balance of the tubing. 
 You might need to do this because of either a damaged flare or a damaged 
flare nut.

In a message dated 3/6/2011 9:04:35 PM Central Standard Time, 
aaf-radio-1 at aafradio.org writes: 
> On 3/6/2011 3:03 PM, WA5CAB at cs.com wrote:
> >On the tubing or pipe cutter, I'll add one selection point I don't think
> >Dave mentioned. All (or virtually all) cutters will have a cutting wheel 
> and
> >two backup wheels or rollers. On the smaller ones the backup wheels are 
> each
> >often one solid cylinder. To cut off the flange and mica or phenolic disk 
> on
> >the canned capacitors, you need a cutter with a groove in the backups 
> that
> >is wide enough to straddle the flange while allowing the cutter to sit
> >perpendicular to the longitudinal axis of the capacitor can. On the small 
> to
> >mid-sized cutters this may require removing the backups and making or 
> widening
> >the grooves. Fortunately the backups are usually easily machined (not 
> highly
> >hardened steel).
> 
> Good point.  All the ones I have ever bought have a groove in them, for 
> some reason.  I posted photos of the process with pipe cutters several 
> years ago at 
> http://aafradio.org/garajmahal/Removing_command_receiver_capacitor_tops.htm
> l  
> Recall that only some of those capacitors can be soldered - many are 
> aluminum!
> 

Robert & Susan Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480