If you are replacing or installing the bottom guide (which "RAR" or "Rear" might refer to for the interior sliding panel), follow these general steps:
Are you a broken part or installing a brand-new door? Sc8954 Gu30 rar
: Center the guide on the threshold. For Rotolo units, the guide typically requires a 2 7/16-inch threshold width to ensure it doesn't hang off the edge. If you are replacing or installing the bottom