It's gone now, but in case I needed any info about our old kitchen faucet, here is what I found the last time:
How to detach the faucet: It was a nut on the tube sticking out of the bottom of the cartridge, as shown here:
http://www.moen.com/consumer-support/installation-help/tutorial?id=moen0101
This post showed the full installation procecess for that crazy transparent cartridge:
http://www.familyhandyman.com/DIY-Projects/Home-Repair/Faucet-Repair/how-to-repair-a-kitchen-faucet/Step-By-Step
