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Old 18-09-2015, 11:25   #1
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Problem whit cklarcks pump

Hi.
I have a spectra water maker. I am trying to change end fittings on my cklarckpump. But I can't get I lose, the outer ring that holds the end fitting.
Any tips?
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Old 18-09-2015, 15:55   #2
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Re: Problem whit cklarcks pump

Should come off with a strap wrech. If not, put the edge of a piece of hardwood in the notch and give a few whacks to loosen.

"
Cylinder Disassembly (Do not disassemble the cylinder unless there is a problem) Hold the base of the S.S compression fittings and loosen the nuts to remove the J-tube. Loosen the base fitting first. Use the spanner or a strap wrench, oil filter wrench, or a nonmetal punch in the groove to loosen the aluminum cylinder ring then remove the ring and plastic end cap."


Clark pump rebuild manual here:

https://www.google.com/url?sa=t&sour...nual_03-11.pdf


What is the problem you are trying to solve?
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Old 18-09-2015, 18:21   #3
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Re: Problem whit cklarcks pump

Looks like a cracked cap from over tightening. Where are you located?

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Old 19-09-2015, 10:27   #4
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Re: Problem whit cklarcks pump

I tried it all, it is not coming lose. I try heating it a litel, tips from spectra tech. But that did knot worked.
At this moment I put it all together and it works but it leaks. Just know we are at Maderia, and we are soon going to the Canaries, there we hope to find someone how can rebuild the and give the pump some service.

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Old 19-09-2015, 16:54   #5
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Re: Problem whit cklarcks pump

I've replaced customers clark pump cylinders but never the end cap only unless it was on a membrane housing.. Maybee Tellie could ship one out to you.

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Old 19-09-2015, 16:55   #6
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Re: Problem whit cklarcks pump

Quote:
Originally Posted by cybber View Post
I tried it all, it is not coming lose. I try heating it a litel, tips from spectra tech. But that did knot worked.
At this moment I put it all together and it works but it leaks. Just know we are at Maderia, and we are soon going to the Canaries, there we hope to find someone how can rebuild the and give the pump some service.

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That end cap is toast and the ring has to come off or you'll have to replace the whole cylinder. This may sound brutal but get a large enough Monkey wrench. Preferably clamp the Clark pump in a vise. It will slightly scar the ring but the Monkey wrench will give you the best leverage. Do not apply great pressure to the wrench. If it does not come loose then apply pressure to the wrench and sharply whack the long end of the wrench with a hammer multiple times to shock the ring loose. If all this fails you can try to weld the crack by heating a screw driver with a torch and melting the crack to seal it. This is best performed with the SS fitting removed and may mean you'll need a tap to re-thread the end cap. I've never met a ring that wouldn't come loose but if you're truly the first you may need to just order a new cylinder kit and replace the whole thing.

www.HaldenMarineService.com
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Old 21-09-2015, 03:35   #7
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Re: Problem whit cklarcks pump

We have tried it all. Heating it, and a lot of force. But it not coming of. We broke the chain on this tool http://images.biltema.com/PAXToImage...e/xlarge/20322
I don't have a monkey wrench in that size, I don't think 😖 that would work either, maybe if you are in a proper workshop.

I would try to weld it if we can't find some one who can do services to the pump when we are on Canaries island's.


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Old 21-09-2015, 04:58   #8
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Re: Problem whit cklarcks pump

I would not weld with it in place, you might damage other components. Maybe just try something like JB Weld on the crack for now.

Its a lot easier to work on a Clark pump on a work bench. Removing and getting on a bench will actually save you time and give you better leverage.

Will the ring on the opposite end turn?
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Old 22-09-2015, 12:03   #9
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Re: Problem whit cklarcks pump

Don't mean to be a smart azz, But righty tighty...lefty lucy?
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Old 22-09-2015, 15:51   #10
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Re: Problem whit cklarcks pump

I have not tried the opposite ring, that side is fine, and I will leave it that way.
Yes Tellie. No worries.

Next step is to find a works shop hear in Funshal and try to get inside to work on it, if not here it bee Canaries in a week or so.

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