You might need to increase the preload on the main shaft by adding a washer in the back bearing. While you have the PTO out and apart, you might want to check ALL the solder connections in the PTO. 73, Jerry, K0CQ -- FAQ on WWW: http://www.contesting.com/FAQ/tentec Submissions: tentec@contesting.com Administrative requests: tentec-REQUEST@contesting.com Problems: owner-tentec@contesting.com