This article covers TOS SN lathe shifter block replacement and the problems caused by worn shifter blocks. Correctly functioning shifter blocks are important for reliable clutch engagement and should be replaced when excessive wear is detected.

The replacement procedure and practical details can be seen in the video below, created by Daniel Haartman from Community Machinery. A special thanks to Daniel for making the video and sharing his practical experience with the TOS lathe community.

You can find shifting blocks on our eshop, block 803180 for SN40-50 and block 703304 for SN55-71.