eaton 13spd

[Chamberpains]

For sure something not to take too lightly. I damn near pinned my twigs and berries to the ground with an 18 speed transmission once. I didn't chain the transmission to the jack and pulled way too hard. The Jack wheel was caught on a stone on the floor and because 18 speeds have an enormous auxiliary box on the back it had more than enough counterweight for me to pull it off the jack. The yoke pinned my pants to the floor that's how close it was.
it's nothing to be deathly afraid of but you definitely want to be aware and extra cautious every step of the way. It's a half a ton of metal and liquid you're pushing around under a very tight area.
Also I don't know if your Volvo has the engine mounts on the transmission or not. If it does you're going to want a little extra help with blocking the engine up and putting the two back together when that time comes.
Like Rawze said, just have someone there that has done it a handful of times and it should be nothing you can't handle.