Hi dutch, and welcome to the forum.
I've put a link below to some interesting reading on your model, there's 18 pages to peruse so I reckon you'll find the info you seek.
http://forums.washburn.com/index.php/topic,16184.0.html
I've put a link below to some interesting reading on your model, there's 18 pages to peruse so I reckon you'll find the info you seek.
http://forums.washburn.com/index.php/topic,16184.0.html