https://www.google.com/search?sourc...t on jd lt150&aqs=chrome..69i57j0l2.24552j0j8 watch video's, be sure to check idler pulley bearings for wear at this time since deck will be off, I have found the best way is to remove idler pulley's, hold pulley in one hand & spin bearing with opposite index finger, should be smooth while rotating. Always use John Deere replacement parts on JD equipment.