Assuming the XR and XU are using similar mounts:
- pull the two locking pins
- lower stick and bucket so bucket is parallel with ground (teeth pointed towards 3PH) and lower stabilizers so it kind of resembles a tripod
- goal now is to have BH-connected subframe slightly lower than tractor-mounted frame underneath tractor and slightly elevated in rear cradle (where pins attach) to allow a smooth drive-off
- before disconnecting hydraulic hoses, I ease tractor forward slightly to make sure tractor will clear BH subframe
** Tip: I try to mark position of rear tires before driving off, so I can more easily line tractor up when reconnecting -- 4' Bamboo cane laid flat on ground works great.
- reset hydraulic remote lever to the neutral/off position then disconnect hoses. Simply drive tractor straight forward until it is clear off the BH subframe
** Note: I've heard that not turning off remote can cause excess fluid leakage and damage the hydraulic pump.
** Tip: After a few days the BH pressure will leak and stabilizers will settle to the ground. If you have extra tires or blocks of wood, it might be possible to keep the BH leveled for easier re-attachment and also reduce ground-contact moisture/rust issues if stored outdoors.
All in all, dismount literally takes all of 3 minutes if I hustle or have a helper to tell me that BH is positioned correctly and help detach hoses. Reattachment gets easier each time... I just back up trying to line up tractor with BH subframe, connect hoses/turn on hydraulic remotes to pressurize, level BH subframe like it was at detach, and then ease back checking to make sure it is still lined up vertically and horizontally. The last 1/2" - 1" of remounting is, in my experience, easier performed using the BH controls. If the BH subframe is not all the way back into the tractor-mounted cradle, you won't be able to fully reinsert those locking pins. That is usually the "hardest" part of reattaching the BH, and I usually have to drive around a little so that the cradle and BH make friends again and pin(s) can easily slide in/out.