[R-390] Cleaning R-390 gears in place before lube

[Barry]

That radio must've belonged to Little Miss Muffet...

Barry - N4BUQ

Sent from my iPad

> On Jul 30, 2014, at 6:13 AM, Bob Camp <kb8tq at n1k.org> wrote:
> 
> Hi
> 
> I’ve been down the road with this on a couple of radios. I’d *think* I had everything sprayed out and clean. Eventually something would get me moving and I’d tear down the gear train. There always was an improvement after the tear down. Spraying stuff out of split gears - very tough to do.  
> 
> A lot depends (of course) on just how grubby the gear train is. If your radio has been out in the rain and blowing dust for a few (hundred) years, there’s a lot of curd down in there ...
> 
> Bob
> 
>> On Jul 29, 2014, at 10:22 PM, Roger Ruszkowski <flowertime01 at wmconnect.com> wrote:
>> 
>> 
>> Frank,
>> 
>> You ask,
>> 
>> Hi,Great discussion on the lubricant issue!Before I can lubricate,
>> I have to clean the ancient crud off.I am lazy, want to try to just 
>> spray Trichloroethylene straight down thegear train and see whatit 
>> removes.Possibly also use compressed air to remove the larger chunks.
>> Is this a bad idea, as a preliminary attempt?UGLY GEARS:
>> 
>> Pull the RF deck.
>> Remove the springs, slug racks and RF cans.
>> Take the deck outside to the back yard and hang the gear train off the edge of the table.
>>