Posted: Sat Mar 31, 2007 2:08 pm
I experienced the same problem when initially setting up the XP3 (and wound up calling Rena for advice).
Squirtles mom, what I did was to get the end of the tubing warm by running it under really warm/hot water to make the plastic more flexible, then push it on to the filter pieces. Do this for each end. You may still have to inch them on by increments, but it should be easier while the tubing is still warm. You don't, btw, have to get the tubing on exactly as far as they say. Use the clips to secure the tubing.
Once I had the tubing on, I never once removed the ends that attached to the part that attached to the canister end. For cleaning, I only removed the ends that were on the intake and outlet pieces. (The other ends stayed nice and tight.)
Good luck.
"You become responsible, forever, for what you have tamed." -Antoine de Saint Exupery-