As a novice you will almost certainly benefit having a manual.(Plus it'll give you oil capacity etc..)
Dead easy aslong as you keep every thing clean, most complicated thing would be if you have to fabricate a long "locking"shaft to stop things turning around when dismantling.& tbh that's simple aswell.
Pity you didn't know/mention last week, I'd would've nipped across from StH & done it for you.
Don't be afraid to tackle it,plenty of people on here will assist
& if you look hard enough & you'll find plenty of info online.
A quick search & I found this site, I'm sure you can even do better...