There are several ways to replace the anthers:
On the long axis can be replaced by removing the tripod. This is in the case of a complete analysis of the drive.
Churning the hinge through the brass insert.
Vypressovyvanie with a bolt, size 10x100.
Without removing the drive, knocking out the hinge with a rod.
When removing the hinge, it is necessary to change the retaining ring.