replacing water intake piece

[rex]

I am trying to replace the water intake piece (to which the hose attaches) on a Karcher 395M pressure washer. I have removed the aluminum piece that encases the intake piece but can't figure out how to remove the piece from the metal encasement. Can your help?

[phantomktown@aol.com]

Put it in the freezer overnight (Make sure there is no water in it), then it should come out if you put a screwdriver between the plastic and metal. Twist the screwdriver, don't pry.
this site has a diagram and instructions
http://www.rjbowers.com/parts_manuals/9001-1870_repla_1278598640.pdf

[ejmjensen]

I am trying to replace the Water intake elbow and have the same issue.
Is there a better link for that one Phantomktown recommends? I will try the freezer thing but must say, the 3 valves encased within that Plastic insert cannot be completely dried unless one chances taking them apart. I don't feel confident enough to get it back together.