MTD mower belt

[JTS3]

My mower belt keeps coming off, replaced belt and still same problem. Handle that engages blades will not stay back (disengage), replaced cable still same problem

 

[ILENGINE]

duplicate thread. see other post

http://www.lawnmowerforum.com/showthread.php/45371-MTD-riding-belt?p=274948#post274948