murray 42 inch model # 42812x92B and cannot find service manual. Everything worked fine until my belt broke... replaced belt now its constantly engaged. Any help would be greatly appreciated

sorry is a 42813x92B

Hi,
Could only find your manual in HTML format, but it is here:
Murray lt Parts Diagram Index for 42813X92B (http://partsandservice.com/html/Murray/lt/lt42813x92b.html)
And I will attach the deck image.
Peace,
Clarke