7080 Harmonic balancer pulley help

Is there a shim kit for the harmonic balancer pulley fitment on the tapered crankshaft of a allis 7080?   We broke a keys and the pulley was free wheeling a little until we got the tractor back in the shed?  I don't know how much is worn yet till I get it apart. 

I have never seen a problem like that either. It's kind of important to have that area correct or it can lead to crank breakage. Now that, I have seen, although rare.

There's a hole in the bottom of the bellhousing I think you can have a helper shove a big screwdriver up in to catch starter ring gear teeth. The hub you are removing has six 7/16" holes you could install two bolts and stick a prybar thru them. Remove with a good 1/2" impact wrench.

About 30yrs ago, I had a 7580 break the oil pump mounting bracket allowing the oil pump to fall down enough to stop turning. Customer was full throttle under load with a chisel plow. Needless to say the red lite came on just before the engine pulled down and locked up. So, resized all the connecting rods and new rod bolts. Align bored the block and installed a new crankshaft. We also did a complete OH and new turbo. When we got the engine back together, it had an awful noise in the timing gears right at 2500 RPM's (right where it runs when working it hard). Run the engine 2700 and the noise was gone and under 2500 the noise was gone. Long story made short, the viscous style vibration damper was bad and this was what failed the oil pump mounting bracket. It also explained why all the A/C compressor brackets were broken and welded along with the alternator brackets. Those viscous dampers were kind of pricey at that time and probably still are, but that cost the Customer a ton of money. The average guy with the radio turned up probably wouldn't have noticed all that extra noise around the front end of the roaring engine while sitting in the cab.

Pretty sure they are Fluidamper

Vibratech is the parent company of Fluidamper