I have done everything I could in order to change the OD=1.600 to OD=1.770 in this model, but every time I try, I loss the slots and curves.
I would like to have the same exact slots shapes and measurements with an OD=1.770.
Please be kind enough to help!
You need to go to Edit Definition for the import feature and enter into the Import Data Doctor.
then select the outer surfaces and select Convert to Cylinder:
and enter appropriate value to match your requirement, click Done and complete: