Crank mechanism slipping under tension

BDAZ

Professional
Hello! I have a Gamma Progression II crank machine, but when the pin pops when tension is reached, instead of locking out, the whole crank mechanism slides back. Does anyone know how to tighten up the break? Thanks!
 

BDAZ

Professional
Thank you! I bought the machine second hand and don't have the manual. I tried going on the Gamma website to download it, but couldn't. I appreciate your help.
 

Irvin

Talk Tennis Guru
It could there is something on the brake pads or the disk too, you may want to clean it.
 
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