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23-2-2023 17:50:36  #1


Olympia SM9 Platen Knob Screws

Having recently acquired an entirely new platen for a 1967 Olympia SM-9, I began what ought to be a simple removal of the old unit in order to replace it with the new one. Thus far I have managed to remove the left hand platen knob (A). Please see photos.
As for the right hand knob (C), I have only been able to locate a single screw (B) that fastens it to its normal position. Being accustomed to working on SM-3s in the past, I do not believe that I have yet reached the point where I can draw the right knob along with its part of the platen rod out because it continues to turn the platen with it in the normal ratcheting motion.
Perhaps there is a second or third such screw as (B) that I have missed? I wonder if any of you may be more familiar.
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That and salaams.
 

23-2-2023 17:56:26  #2


Re: Olympia SM9 Platen Knob Screws

Perhaps these will be more useful:




That and salaams.
     Thread Starter
 

24-2-2023 04:30:03  #3


Re: Olympia SM9 Platen Knob Screws

Unfortunately the links to your pictures do not seem to work.  However, if you have an SM 9, both platen knobs simply unscrew from the ends of the platen.  It is not like the rod arrangement on the SM3 at all.

 

24-2-2023 08:42:12  #4


Re: Olympia SM9 Platen Knob Screws

The thing is, I have only been able to locate one such screw on the righthand platen collar. I know there must be at least one other but I cannot find it. Here's a new picture link that may serve better:

https://imgur.com/a/c3tatBL

https://imgur.com/a/c3tatBL


That and salaams.
     Thread Starter
 

25-2-2023 04:31:34  #5


Re: Olympia SM9 Platen Knob Screws

There is no need to remove screw 'B' at all.  It only serves to hold a collar that adjusts the side to side play of the platen.  The right hand knob simply unscrews from the platen itself.  It may be stuck.  You will need to grip the platen very tightly to stop it turning so that you can unscrew the knob.  A strap wrench would be ideal.

 

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