On Tue, 30 Sep 2008 15:07:23 -0400, RJ_32 wrote:

It's a plastic one, "Loyalty" 2 gal that hasn't been used in years

when I try to pump it up, very little pressure is built. It seems to not be
sealing inside the pump cylinder. Can I make it work? Thanks.

Try some WD 40 sprayed into the cylinder to lubricate it and try
again.