Anvil blade gap

[Gtatree]

I have a morbark model 290 12”chipper. I have replaced the blades and anvil and the gap is much different on the inside and outside blades on the disk. The machine runs smooth with no shaking and has decent power with the Perkins engine. I previously had the same chipper and never had this issue and it almost seems like I need to shim the blades. Do you even do this or any other thoughts on where to start would be much appreciated.

 

[RBJtree]

The anvil is adjustable. There are 3 bolts that hold the anvil in place, 2 of them should have adjusters on them. There is a specification as to how much the gap between blades and anvil should be. You should be able to adjust the anvil to where the gap is equal or very close to equal for each blade.

 

[Gtatree]

With the anvil all the way up there’s a difference between the upper and lower blades

 

[RBJtree]

It adjusts towards or away from the blades. The top and bottom bolts must be adjusted independently to get the anvil equal distance to the inside and outside blade.

 

[Gtatree]

Yes but all the bolts are up as far as they can go

 

[RBJtree]

This is a disk chipper right? Not a drum? Looks basicly like this?

 

[Gtatree]

Yes but all the bolts are up as far as they can go

 

[Gtatree]

Yes disk same machine

 

[RBJtree]

Then I don't understand what you mean by the bolts are "up" all the way. It adjust horizontally. If one side is too far away from the blade, adjust that side in closer to the blade and leave the other side where it is.

 

[Gtatree]

There slid towards the blades all the way there’s no more adjustment

 

[MA Arborist]

Maybe the wrong size anvil

 

[RBJtree]

I agree might be wrong anvil.

 

[RBJtree]

Call morbark, they should be able to tell you proper dimensions.

 

[Gorman]

Or they cut the anvil because the edges were too rounded over.