Went dry camping over the weekend with DH and boys. We tried to use the hand pump on our sink, but the handle barely went up and down at all and no water came out. (Yep...did fill the tank.) Resorted to old fashioned water hauling for the weekend (good job for boys). I'd like to be able to use the hand pump and tank water for dishwashing, so it would be nice to get that working. The manual for my 1995 Coleman Utah is pretty much useless on this topic. (Ordered by phone from Coleman......oh well.) Can someone fill me in on the steps that should make the hand pump operate correctly?