Pleased to say the 2N is back together and the hydraulics work fine.
Tim asked HOW I broke the casting.
As you can see, it has been broken a long time.
Basically all that gave loose on me was about a 1/8" rim along the upper edge.
Here is a picture of the mating part:
And here is the surprise! Once cleaned up, look what was revealed:
The part has been broken previously and welded!