Hold the knob in one hand and insert the other end of the spindle into the square port inside the door lock.
Thru spindle too short on door handle.
The other end of the spindle and opposite knob is threaded so that this knob can screw on to the spindle and subsequently adjust for door thickness.
Remove the set screw securing the doorknob to the spindle then unscrew the door knob off of the spindle.
Unscrew one handle and remove the spindle.
One knob is fixed permanently to the spindle by means of a grub screw through the neck of the knob.
It seems the original had broken so it actually was too short to fit where it belonged.
The one that screws into the larger flat.
Mount the handle near the end of the the spindle on the spindle opposite the one that contains the larger flat ie.
Remove the knob and rosette from the other side of.
Take old latch with you as there are numerous different sizes.
Try and use a big flat screw driver to open the door where the spindle use to go.
I do this most days easiest way to do it is to insert follower bar thats the technical term for the spindle into the door handle and through the latch in the door ensure door handle is.
Push on the handle until it fits against the corresponding trim plate at that side of.
It s nice being able to get through your door without too much trouble.