300u hydraulic noise still

tbinny

Member
worked on the 300u yesterday trying to correct a loud hyd. pump. Took the advice from this site and cleaned the tank suction screen. The screen had some debris, but not completely covered. Started tractor today and no difference. I used new Case Hy-trans to fill tank back up. Hydraulics work good, same as before. I use this tractor mostly for snow removal and in the cold winter months the pump is loud enough to hurt ones ears. Any other ideas out ther on what could be causing this? (other than a good pair of ear buds)
 

I just had my pump apart to replace leaking seals. Wasn't too bad of a job, maybe you need to pull it and take a look. Bearings and gears don't seem to be available. I had to shim one bearing as it was loose in the housing.
 

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