Farmall 450 Gas PTO seal replacement questions

Hello,
I am trying to fix the last few leaks on my Farmall 450. When I cleaned out the PTO with diesel a few months ago, well it seemed to clean everything out fine and dandy, but now I have this leak from the seal. I think it would have been leaking before, but the 10W oil was so low inside the housing. now that it is filled to the correct level it leak.
My question: Can I just pry out the seal with a screwdriver, or is this a "more to it than that kind of deal"?
Do I need to remove the 3 bolts that are in the picture and take more stuff off to get to the seal.

Thanks
Tony
 
Mine had a small leak when I cleaned it up. I drained the unit and put half Lucas Hydraulic oil Booster & Stop Leak and half IH hi-trans oil.Thats been a year ago and it hasn't leaked a drop.
 
Forgot to add the picture... :)
5914.jpg
 
Looks like it might be the esiest to just take those 3 bolts out of the retainer and remove whole thing? drive the seal out the back Check the shaft for major grooving.(I doubt it its.)dress it with fine emery .

Get a new gasket for the retainer or cut one.
 

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