Remove the drive cog for the governor and the secondary / auxiliary pump.
Remove the cir-clip and pump parts for the secondary pump.
Please note - there should be a small ball bearing between the outer cap and the cover for the end of the spring. Mine was missing.
Remove little nut with plastic locking from the shaft with a slot in the end
You can now remove the governor and the cross shaft that connects to the secondary pump.
An important part of this system which looks like it is clogged is this little spray tube that delivers oil to the governor / secondary pump gear system.