730 Load Control Yoke leaking fluid

As you may remember in the Spring we had the back of the 730LP off to repair the oil seal between the rearend and three point assembly. With your guidance all went well and the PTO clutch was back to functioning and all the fluids were staying where they should be.

We put the flail mower on the 730 this week and it started leaking fluid from behind the load control yoke (connection point for top link). I am 100% positive the fluid is not coming from the gasket located behind cover (F3391R - PTO Shaft Cover). The only seal I can see in the parts book is the seal that goes over the shaft that load control yoke is splined to. My service manual really didn't get to in depth in the three point area.

My question is how do I get to this shaft (F2899R). From the picture I took last time we had it apart it doesn't appear that this is accesses able from the inside. How do I replace this? Thanks for any insight.
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You have to pull the top of the rockshaft housing off and the plate on the LH side that holds the remote couplers blocks off the hole where that shaft comes out.
JD has a seperate service manual just on those hyd. units. SM2022 a very good manual to have.
 
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