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Sir Squeaky

  • Posts: 8341
Pump diaphragm
« on: May 02, 2008, 04:18:44 pm »
Following on from my other thread...

If I have got a damaged diaphragm, would I be able to see the damage?

I assume it's the two black rubber circles I can see. ???
I can't see any holes though.

*Mr Tumble

  • Posts: 367
Re: Pump diaphragm
« Reply #1 on: May 02, 2008, 04:23:22 pm »
You need a diagram of the diaphragm
To verify any damage
A hole here or there will certainly be bad
An imaginary hole is not bad at all
Nor is it a hole.

HTH.

Alex Gardiner

  • Posts: 7742
Re: Pump diaphragm
« Reply #2 on: May 02, 2008, 04:31:22 pm »
Following on from my other thread...

If I have got a damaged diaphragm, would I be able to see the damage?

I assume it's the two black rubber circles I can see. ???
I can't see any holes though.

It is the two black circles. You need to give them a stretch to see if there are any slits etc. These often only show up under strain.

If there is no damage then at least you know that these are OK. You can then start checking all of the internal tubing for blockages etc.

Xline Systems

  • Posts: 902
Re: Pump diaphragm
« Reply #3 on: May 02, 2008, 04:53:27 pm »
correct me if i anm wrong but if it was damage to the diaphram the pump would not build pressure then drop. couldbe a number of differant things squeeky did you put the system together yourself? got a few ideas if you want to give me a call. 0115 9394444

Sir Squeaky

  • Posts: 8341
Re: Pump diaphragm
« Reply #4 on: May 02, 2008, 05:00:38 pm »
correct me if i anm wrong but if it was damage to the diaphram the pump would not build pressure then drop. couldbe a number of differant things squeeky did you put the system together yourself? got a few ideas if you want to give me a call. 0115 9394444
Me and couple of mates put it together, but it was all done properly.

No leaks anywhere, and it's been fine for a year.
Just lost pressure last week.

It doesn't build pressure then drop.
It only builds a bit of pressure if you turn the tap off, because the pump doesn't stop.

Alex Gardiner

  • Posts: 7742
Re: Pump diaphragm
« Reply #5 on: May 02, 2008, 05:07:16 pm »
If there is definitely no damage then put it back together and try running it again to see what the flow rate is like. To eliminate possible pressure switch problems then take the square cap off the pressure switch and take one of the orange wire terminals off and hold it on to the other orange terminal. This will give you a permanent live and the ability to see if you can get enough flow. If for some reason this works then you could try adjusting the pressure switch back down or replace the pressure switch itself.


Xline Systems

  • Posts: 902
Re: Pump diaphragm
« Reply #6 on: May 02, 2008, 05:08:31 pm »
does the water pas through a di vessel at all?  if so where is it situated? do you have a varistreem fitted or any other flow regulter or a return to tank fitted? any hozelock connectors?

Xline Systems

  • Posts: 902
Re: Pump diaphragm
« Reply #7 on: May 02, 2008, 05:12:58 pm »
it sounds to me like something stupid. dont mean that to sound funny squeeky. could be a number of differant reasons. are you anywhere near nottingham.

Sir Squeaky

  • Posts: 8341
Re: Pump diaphragm
« Reply #8 on: May 02, 2008, 06:02:43 pm »
does the water pas through a di vessel at all?  if so where is it situated? do you have a varistreem fitted or any other flow regulter or a return to tank fitted? any hozelock connectors?
No, no, and no.

Sir Squeaky

  • Posts: 8341
Re: Pump diaphragm
« Reply #9 on: May 02, 2008, 06:02:58 pm »
it sounds to me like something stupid. dont mean that to sound funny squeeky. could be a number of differant reasons. are you anywhere near nottingham.
No. ;D

Sir Squeaky

  • Posts: 8341
Re: Pump diaphragm
« Reply #10 on: May 02, 2008, 06:04:15 pm »
If there is definitely no damage then put it back together and try running it again to see what the flow rate is like. To eliminate possible pressure switch problems then take the square cap off the pressure switch and take one of the orange wire terminals off and hold it on to the other orange terminal. This will give you a permanent live and the ability to see if you can get enough flow. If for some reason this works then you could try adjusting the pressure switch back down or replace the pressure switch itself.


I will put it back together before I do anything else.
Maybe's muck in the pump somewhere.
Maybe I've dislodged it. ???

pjulk

Re: Pump diaphragm
« Reply #11 on: May 02, 2008, 10:51:25 pm »
Battery low


Probably not but its probably something simple

L.J.Thorpe

  • Posts: 2056
Re: Pump diaphragm
« Reply #12 on: May 02, 2008, 11:00:39 pm »
if its a flojet and the diaphragm goes it will leak like flip wont it ???

Moderator David@stives

  • Posts: 8829
Re: Pump diaphragm
« Reply #13 on: May 02, 2008, 11:01:13 pm »
Battery sounds likely

Sir Squeaky

  • Posts: 8341
Re: Pump diaphragm
« Reply #14 on: May 02, 2008, 11:02:45 pm »
if its a flojet and the diaphragm goes it will leak like flip wont it ???

Ah, that's probable.
No leaks at all.

Battery is only 2 months old and charged every night.
Pump is flying along really well.
If battery was under voltage I wouldn't expect it would. ???

L.J.Thorpe

  • Posts: 2056
Re: Pump diaphragm
« Reply #15 on: May 02, 2008, 11:16:23 pm »
if pump is only 2 mths old and mounted in either of flojets recommended positions then it will leak if diaphragm goes ,also the water coming out will leave brown marks on anything it touches,probly because of breach between pump and motor

d s windowcleaning

  • Posts: 2782
Re: Pump diaphragm
« Reply #16 on: May 02, 2008, 11:24:00 pm »
try the inlet and outlet bends / straights from the pump for blockage it dont take much to block them even using a strainer .
where theres muck theres money

Wayne Thomas

Re: Pump diaphragm
« Reply #17 on: May 02, 2008, 11:41:04 pm »
I had a pump just like Squeeky's. Nothing wrong with any connections (electrical or water). Battery fine. No hose blockages. No slits or holes in the diaphram. Pump work fine for about 4 hours then it would trickle flow. The pump was getting too hot as it was being used constantly, virtually non stop.
I will be interested to hear what the problem is and what the remedy is as well as Squeeky.

L.J.Thorpe

  • Posts: 2056
Re: Pump diaphragm
« Reply #18 on: May 02, 2008, 11:47:04 pm »
squeeky if its only 2 mths old try cleghorn waring in letchworth

Sir Squeaky

  • Posts: 8341
Re: Pump diaphragm
« Reply #19 on: May 03, 2008, 12:51:00 am »
I don't know where the 2 month thing came from. ;D

It's a year old actually.

Wayne, I don't think I've got the same problem, as it's constantly like it, right from first thing.

I'll put it all back together on the weekend and see if it's cured itself somehow.
If not, then have to take the pump apart and see what I can see...