Forum Title: HELP...why would pump stop working suddenly?
Hello, I have a Wilden 2 duel diaphragm pump on a seal-rite 700 G. tank that just suddenly stopped working today after 3 trouble free years, all with 60 feet left on a huge job (beyond frustrating). a few notes on it... 1. It held air pressure but would not cycle material either out the hose or back into the tank. 2. Strainer basket was cleaned before job 3. water had been drained from compressor. 4. compressor ran fine, held air pressure fine. 5. pressure at reg. was between 70 and 120 with nothing at any rate. 6. it did sound like pump was running out of material a bit earlier...could it be some sort of massive clog? material still dribbled out of hose. if it was a clog there would still be pumps but there was pumps and then nothing. I am new to having this type of pump issue, is this the death blow for the pump? if not what else could this be, anything I am missing and should check?
Category: Paving Post By: SANDRA MOORE (Naperville, IL), 12/10/2019

Is it cycling? Is air actually making it to the pump? What happens if you run it back through the regurge hose? I'm pretty sure you can reverse the seal rite set-up to suction through the wand...That might clear a plug, but I doubt it is plugged. Is there air coming out of the pump exhaust? So many questions. They aren't complicated, but are expensive to repair or replace.

- SYLVIA HARPER (Asheville, NC), 01/31/2020

Originally posted by jsf343 View Post more info from working on it today, strainer basket was FULL of hard packed sand even though we cleaned it yesterday before the job. Never have I seen it this bad. So I think sand is inside that as well and maybe even in the plumbing to some degree. I went ahead and ordered a new pump and a rebuild kit for this one. After talking with a few different folks they said 2 to 3 years on a pump is about what to expect and that I should do a rebuild and have one on the shelf for down the road, all of which makes sound sense to me, although its spendy it will be good to have a back-up and get this back up and running quick. You should be able to get longer than that out of those. First steps are ensuring all clogs are clear. From intake to outtake throuh the wand. Clogs can cause that issue. These pumps don’t fail that often. Log on to Wildens site and find your manual and go through the trouble shooting steps.

- TOMMY FOWLER (Conway, AR), 01/31/2020

more info from working on it today, strainer basket was FULL of hard packed sand even though we cleaned it yesterday before the job. Never have I seen it this bad. So I think sand is inside that as well and maybe even in the plumbing to some degree. I went ahead and ordered a new pump and a rebuild kit for this one. After talking with a few different folks they said 2 to 3 years on a pump is about what to expect and that I should do a rebuild and have one on the shelf for down the road, all of which makes sound sense to me, although its spendy it will be good to have a back-up and get this back up and running quick.

- P Stevenson (San Jose, CA), 01/31/2020

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