I remove mine often. It is a 2 minute task, at most.
Curl the bucket up, lower the FEL all the way down (which will slightly raise the front wheels), unlatch the lock(s), and raise the FEL (result will be the frame will drop from the front attachment point, i.e. the weight bracket, and become the stand for the FEL). Then the mast will raise off the two stubs a few inches, then stop. Turn tractor off, and relieve all hyd. pressure from the lines. Now comes the time-consuming 1 minute to get off and disconnect the 4 hyd hoses fromtheir ports.

Get back on the tractor and drive away.
The reverse to align the tractor with the parked FEL (on even ground of slab is good here), shut off tractor, relieve pressure in hyd. and connect the four hyd. hoses. Start tractor and by pushing forward on the joy stick, the frame will lift and the mast will drop down over the stubs (have to be lined up reasonably well for this action). Continue to push the joy stick forward which will bring the frame up to the weight bar, and allow you to close the locks. Good to go. About 2 minutes if the hoses have not built up oil pressure from temp changes which requires the pressure to be released (rag around the end of the male connector and pressing the tip in to let out a small bit of oil that will spray out if not careful).
All done from the tractor except for connecting/disconnecting the 4 hyd. hoses. No pins to align, no danger involved, but a rag to wipe some oil up that will drip from the removed hyd. connector is a good idea.