Yes, on this machine it is a 10mm bolt with a 10mm lock nut on the emergency lowering valve. Loosen the lock nut and back out the bolt and all stages of the mast will fully lower themselves to the ground (at a little bit of a slower pace then when the machine is operating normally.
I did notice today that when I push the mini lever for lower function like normal, I hear the hydraulic motor/pump run a little (which my other machines do also) and the mast still very very slowly creeps down. When I push the mini lever for the lower function very slowly though, for a brief instant the mast actually raises approx 1/4 inch and when I push the lever fully forward it's back to its very very slow lower creeping. The brief raise while slowly pushing forward for the lower function is repeatable.
Also, as I have mention before. Raise does not seem to be as fast as it used to be when the mini lever is fully actuated. Seems to raise a little faster when the mini lever is not at full throw for the raise function.
I'm going to try and see what kind of voltages I'm getting at the solenoids by back-probing them while working the levers. I don't know why but it feels like if its not something mechanical I'm thinking it almost feels like it's not getting voltage to lower at full speed, or it's requesting raise and lower at the same time (even though it doesn't sound like the motor/pump is running at a lift rpm function).

Question, have you tested the emergency
Lowering valve? It will be in hyd block where the lift and lower solenoids are sometimes they have a red end or a colored end
You push in and turn to lower if you get forks stuck in air and cannot lower because of component failure or battery failure

John,
Thanks for replying. I have heard the term velocity fuse before. Would this be the mechanical fitting that screws in line to the bottom of one of the lift cylinders? Is it also called a (safety down valve)? I attached a couple photos of the valves I visually inspected. I followed the pressure line to the flow regulator valve first. I removed this valve to see if the spring was still intact. It was, but I bypassed the assy with straight through fittings and there was no change. I also removed the safety down valve at the bottom of one of the 2 2nd-stage pistons. That spring and operation on that fitting also seemed to be operational.
I have noticed now though, that the lift seems how slowed down also. Doesn't lift at the same rate as any of the other "sister" machines. I'm going to try and see if the lower solenoid is getting the same voltages as one of my known good machines.
I still appreciate any of the input in the meantime.

Thanks

Might check velocity fuse in lift line
They can cause your issue

Thank you Andrew, I'll look into that.
I may not have been totally clear explaining swapping the mini-levers. I did not actually swap out new ones, I just just moved the lever in the middle (for tilt) over to the left mini lever (for raise/lower) to see if the issue followed the lever when I moved it. It did not, so I swapped them back afterwards.
Can these mini levers lose "teaching" without being replaced?
I will definitely look into it either way and post my findings.
Thanks for the response and the manual.

I have emailed you a workshop manual.

Maybe the joystick needs teaching into the system.