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Old 03-14-2009, 06:19 PM   #1
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oil for the watermaker pump

I need chance the oil from the centrifical high pressure pump ( main pump-watermaker)
What is the**correct oil, Hydraulic or motoroil.
Thanks with greeting
Norbert
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Old 03-15-2009, 05:20 AM   #2
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oil for the watermaker pump

My pump calls for Mobile 1 15W-50 synthetic oil based on its serial number. But I see in my manual that some pumps call for "EPDM food grade oil" Which I am not familiar with.

-- Edited by Jim Spence on Sunday 15th of March 2009 05:21:38 AM
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Old 03-15-2009, 07:33 AM   #3
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oil for the watermaker pump

EPDM is an elastomer used for seals, so it's asking for a oil that will work with that. I guess the food grade is called for since some might leak into your water.

-- Edited by Keith on Sunday 15th of March 2009 07:34:38 AM
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Old 03-15-2009, 07:39 AM   #4
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RE: oil for the watermaker pump

Norbert,

*Which brand of HP pump do you have?* The most common*are CAT pumps which use a SAE 30 non-detergent hydraulic oil or original CAT pump oil.* Some of the Italian pumps and also Giant, if I remember correctly, use SAE 90 gear oil.* The one that I am not sure of the formula for is the WM pump that Sea Recovery use - I have not been able to find out the spec for this oil - but I have used CAT oil in these pumps without problem.*

Leon.
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Old 03-16-2009, 07:35 AM   #5
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RE: oil for the watermaker pump

Norbert, It really depends on the pump requirements, as other posters have noted and it is important that you get it right. Ours required a light oil that we purchased from Village Marine in Ft. Lauderdale. Chuck
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Old 03-27-2009, 04:34 PM   #6
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RE: oil for the watermaker pump

Downside of the pump a label:
" capacity, 1 quart # 30 detergent Motor Oil "
Ok, i am used for the Ford Lehmann 15/40 HD Motoroil and i think the same will spend a good work with the pump.
Greeting - Norbert
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Old 03-27-2009, 08:59 PM   #7
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RE: oil for the watermaker pump

30 wt oil is very common and available in Venezuela, at least it was when I worked there 20 years ago, if it is what the pump lable calls for i would use it rather than the multi grade oil
Good luck,
Steve
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