[swazi_matt]

Do a search on you tube for cartridge forks there are a few good ones

Don't touch the allen just put the spring back in and using some rope compress the forks as much as possible then loosen the 19 (if you have a rattle gun use that instead of compressing forks etc)

There is a thread on here recently called something like compression base nut that has some good tips

For seal driver u can make one by splitting a piece of PVC pipe

Sorry if I was not on my phone I would give you some links