If I raise the upper rack in my Kenmore Ultra Wash 665 dishwasher, the washer arm at the bottom of the rack no longer connects to the water supply at the rear of the dishwasher.

Am I missing a part?

Thanks,

You may be missing something. Here is the manual: https://dl.dropboxusercontent.com/u/8010163/Kenmore_Ultrawash_Dishwasher.pdf