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Distance Isolator <-> PTFE with Olsson Block

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Posted · Distance Isolator <-> PTFE with Olsson Block

Hey there,

after installing the Olsson Block I have a bit of very consistent underextrusion. My first guess is the PTFE coupler which has been used for 200 hours now. But before changing it, I want to prevent doing something wrong.

When I installed the Olsson Block, i wanted to exchange the spring for the Korneel spacer. I'm using the original fan shroud and with the spacer, the Block was so low that I couldn't even mount the shroud. So instead I'm still using the spring now. At first I had a gap of ca. 2mm between isolator and PTFE, I reduced this to 1,5mm and the block is almost touching the fan shroud.

The old PTFE is a little bit black but filament went through easily. Today I came to the idea, that this doesn't say anything about the friction when it's hot in there :p

now my questions are: Does my setup sound fine or did I do anything wrong there? Should the Korneel spacer work with the original fan shroud? Is 1,5mm acceptable with the spring or already too much pressure? I don't want to change the PTFE and kill it from the beginning.

I will take some pictures tonight and add them here.

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