ASR33 platten problem

[Dwight K. Elvey]

>From: "Jim Beacon" <jim at g1jbg.co.uk>
>
>
>> > in the process of repairing an ASR33 for someone else, I've found that
>the
>> > platten roller moulding has swollen, so that it no longer turns in the
>end
>> > plates. Has anyone else come across this problem, or know what may have
>> > caused it? (I suspect exposure to a solvent at sometime in the past).
>> >
>> > Luckily, I have a spare platten assembly!
>>
>> Well, presumably all you really needed was the roller?
>>
>> Since the old one is useless in its current state, it might be worth
>> putting the roller in a lathe and turning down the bearing areas. This
>> would be a pretty easy job ofr anyone with a metalwork lathe, so even if
>> you don't have access to one yourself, you might find a friend who would
>> do it for you. The sort of people who make model steam engines almost
>> always have a suitable lathe...
>>
>> -tony
>>
>
>Tony,
>
>I had considered skimming the roller, and if it was my machine I would,
>however, as the machine is going elsewhere, I'm opting for replacement (I
>don't like my repairs coming back after a couple of months.........)
>
>Jim.

Hi
 It is most likely the oil used. Some oils swell the rubber
while others shrink it. Your not suppose to have so much oil
that the platten gets soaked.
Dwight