Maybe you have a lot of sludge in your tank, I often put a hose on the far end of my water system and run a couple tanks out into the slip to clean it up.
Bill Coleman Entrada, Erie PA On Tue, Sep 6, 2022 at 1:17 PM David Knecht via CnC-List < cnc-list@cnc-list.com> wrote: > It looks like the pump version was not the problem. I will confirm > tomorrow, but according to Defender, I did indeed purchase the pressure > limited version of the pump. I don’t think they even sell the non-pressure > limited version. The response I got from Jabsco/Xylem customer support > said to do this: > > The problem with your pump is the Check Valve. What you would need to do > is too clean it. Take the six screws out they would are Long then Short in > size; the pump will come part in two pieces the motor and lower housing as > one piece and the pump head; once you spread the two pieces apart the check > valve will usually fall out by itself. The check valve looks like a > triangle with suction cups in each corner on one side and the other side > theirs a rubber diaphragm in the center; that are machine press in(Take a > picture of the check valve “Both Sides”). Take the check valve and place it > in a bucket of warm water wait a couple of minutes. While the check valve > is soaking; take the head where the suction and the discharge hose hookup > and rotate and look inside. You will see a circle in the center a 1/8” > edge; take a wet towel and wipe off that edge (Front, Back and Top Edge). > Take the Check Valve when it’s submerged pick it up and slush it back and > forth in the bucket of water for a couple of minutes (While Submerged). > This should clear all the particles. Place the check valve back into the > Head of the pump and put it back together. 90% of the time your pump will > be back to normal. > > Seems excessive for a brand new pump but I guess I will have to try it. > Dave > > S/V Aries > 1990 C&C 34+ > New London, CT > > >
