how to replace belt on a 14-4 scyle side mower on a 8N tractor.

Click on the link to see the Manual for your 14-4 sickle mower.

Scroll down to see the belt adjustment assembly.

I think you may find the answer to your question about belt replacement.

• Link: https://ntractorclub.com/manuals/implements/mowers/Dearborn%2014-3%20&%2014-4%20Side%20Mounted%20Mower%20-%20Assembly%20&%20Operating%20Instructions.pdf