[time-nuts] 10811 Outer oven controller schematic

[Arnold Tibus]

Magnus,

I am sure he does mean gasoline, petrol, benzine. I apply it quite often
when
other alcohols dont work e.g. spiritus (ethanol). But beware to apply
only the
clean issue which is specially sold for this purpose or that one sold in
small metal cans for the good old cigarette lighters. It is always wise
to make
a little test before to be sure it does not attack the surface or parts
around.
To prevent explosions do it in a good ventilated area or beven better
outside
closed rooms (garden).

Good luck,

Arnold

Am 31.07.2013 10:51, schrieb Magnus Danielson:
> Paul,
>
> gas? What gas?
>
> what soft plastic paint remover?
>
> A little more specifics would help if someone is in the need.
>
> Cheers,
> Magnus
>
> On 20/07/13 23:22, paul swed wrote:
>> Hello to the group.
>> As the various posts mention pulling the outer oven and taped wire
>> off is a
>> job. But thats done.
>> The Osc is 45 Hz low hot and 200 Hz low cold. Bobs on target with his
>> comment on what to expect. It does warm up and behave as you might
>> expect
>> but its all relative not exact even according to the 10811 service
>> manual.
>> So it could be off temperature. But very hard to say until I get a
>> thermocouple in there.
>> Will say the various rubbery stuff and shock absorbing stuff left one
>> heck
>> of a gooey mess.
>> Oily sticky stuff.I tried oil, alcohol, turpentine, and finally gas.
>> None
>> really did anything. But what did was a soft plastic paint remover. That
>> peeled the old tape and goo off very nicely.
>> What was left was the true glue and that was removable by gas.
>> It went from a gooey mess that stuck to everything to a pretty clean
>> can.
>> Next I used a small torch one of those small butane refillable units.
>> Had
>> it for years and never really had a use for it till now. I have
>> started the
>> process of opening the can. Thats not complete yet. But I cleaned enough
>> goo off that when I heat things I don't have a smelly smoldering mess.
>> Regards
>> Paul
>> WB8TSL
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> On Sat, Jul 20, 2013 at 1:57 PM, Bob Camp<lists at rtty.us>  wrote:
>>
>>> Hi
>>>
>>> If a 10811 oven is simply not working, the output will be>  400 Hz off
>>> frequency.
>>>
>>> Bob
>>>
>>> On Jul 19, 2013, at 12:48 PM, ed breya<eb at telight.com>  wrote:
>>>
>>>> Paul,
>>>>
>>>> If the 10811 is that far off, are you sure the oven is working?  A few
>>> years ago mine had a failure of a particular date code range of the
>>> opamp
>>> that controls the oven, that were prone to failure.at high temperature.
>>> The symptom in the Z3801A was that the outer oven seemed bad - it
>>> did not
>>> turn on, but it was because it was waiting for the inner one to reach
>>> nominal temperature, but it never did. Once you get it all apart,
>>> replacement of the IC is no big deal, but what a PITA to get to it. I
>>> vaguely recall posting the whole story on that website that has big
>>> coverage of the Z3801A - I can't remember the name, since I haven't
>>> been
>>> there in a while, but it should be easy to find. The website had all
>>> kinds
>>> of Z3801A info, including a nice writeup on how to take the oven apart,
>>> which is where I started.
>>>>
>>>> Ed
>>>>
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