I just solved the Bevel Jump Issue on my 3000. It was simple enough that I kept overlooking it. (EDITED - This fixed only part of it. See below for the final solution. In my case, it was a two part fix.)
The Lift/Bevel lever that locks and releases has a Set Screw on it. IF the Set Screw is NOT TIGHT, it will Jump off the bevel setting when moving the lever to the lock position.
If I hold the Bevel wheel in place and hold the Lock Lever securely and move to Lock, the blade housing does not jump.
I replaced shims and added a Shim holder for the first time in 15 years today. While I had it apart, I wanted to check on the Bevel Jump. I checked and double checked tightness on the everything I could. I took the handle off and the lever also. I took the lock lever off and put it back on. Then the wheel. The wheel kept the lock lever on well enough with just a very little movement, so I didn't think about the set screw. Then I thought, why does the lock lever need a set screw? Next, with an allen wrench, I checked it and It was not tight at all. . . tightened that sucker and the Bevel Jump was gone. . .Edited: only partially!
Original discussion about a year ago - but it was originally about a different issue on the bevel:
The Lift/Bevel lever that locks and releases has a Set Screw on it. IF the Set Screw is NOT TIGHT, it will Jump off the bevel setting when moving the lever to the lock position.
If I hold the Bevel wheel in place and hold the Lock Lever securely and move to Lock, the blade housing does not jump.
I replaced shims and added a Shim holder for the first time in 15 years today. While I had it apart, I wanted to check on the Bevel Jump. I checked and double checked tightness on the everything I could. I took the handle off and the lever also. I took the lock lever off and put it back on. Then the wheel. The wheel kept the lock lever on well enough with just a very little movement, so I didn't think about the set screw. Then I thought, why does the lock lever need a set screw? Next, with an allen wrench, I checked it and It was not tight at all. . . tightened that sucker and the Bevel Jump was gone. . .Edited: only partially!
Original discussion about a year ago - but it was originally about a different issue on the bevel:
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