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26-1-2024 21:21:37  #1


SM platens interchangeable?

Hi all,
I have several Olympia SMs, and would like to change out the much more supple platen from my 1977 SM9 for the rock hard one on my 1956 SM4. I do not think I can do this, because the variable release on the 1956 is via a button pressed IN on the right platen knob, and the later one via pulling OUT the left platen knob. So I assume different mechanisms=not interchangeable platens. But since both are working inside the platen in the same direction (to the left), I wonder if maybe I am wrong. Anyone got any thoughts before I try it and probably come to grief? Thanks!
 

 

01-2-2024 12:45:33  #2


Re: SM platens interchangeable?

Hi LD,,

My 1960 SM4 is 9-3/4" in length while my 1968 SM9 is 9-5/8" in length...from outside-edge of metal on right side to outside-edge of toothed gear on left side.
.

 

03-2-2024 18:12:11  #3


Re: SM platens interchangeable?

that's a good point, Pete--probably not worth trying. thanks!

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