Don't know about l's but on M's if the tightener to the cylinder drive is put on the out side of the belt you get the honor of buying a new shaft and belt! On M's right side remove unloading auger drive pulley----it is left hand thread--may have to make a impact socket out of heavy walled square tub and use big daddy --the 1" drive rattle gun. Suspend drive pulley in position with chain hoist. This is a good time to service that drive. If the drive goes closed it can be spread with a two bars a series of ever wider blocks and the mil. On tne left side start stripping parts and lAY THEM OUT ON A TABlR EXACTlY as they came off. There is one piece that uses two pusher bolts. a simple gear puller does the rest. New bearings all around and antisieze going back. lol. Tell something about the spelt business.