Pushing the seat all the way back..
... head «for 8» unscrew the two bolts of the front fastening of the seat slide to the body.
Having moved the seat forward until it stops, with the same tool we unscrew the two bolts of the rear fastening of the seat slide to the body.
We take out the seat.
To remove the sled..
... with a Phillips screwdriver, unscrew the screw of the front fastening of the slide to the seat frame..
...and a rear sled screw.
We take off the slide.
Assemble and install the seat in reverse order.