Boats For Sale:
Testing the Oil Cooler |
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theumer 
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Joined: July-14-2008 Status: Offline Points: 46 |
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 Topic: Testing the Oil CoolerPosted: July-31-2008 at 8:40pm |
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When testing the oil cooler, what kind of pressure gauge should i use? thanx.
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SNobsessed
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Joined: October-21-2007 Location: IA Status: Offline Points: 7102 |
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Posted: August-01-2008 at 12:10am |
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I put in a schrader (tire) valve) into a end cap & then used my tire pressure gage. You can get the schrader valve at the hardware store, along with an oring to seal it. You can also use a tire chuck to pressurize it.
I put the whole thing in a tub of water (plugged the oil ports) to look for bubbles. |
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“Beer is proof that God loves us and wants us to be happy.”
Ben Franklin |
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8122pbrainard
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Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Posted: August-01-2008 at 8:05am |
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Chris, You pressurized the oil side correct? It's just easier because of the threaded fittings on that side.
Theumer, 30 PSI is fine. The gauge is handy if you what to leave it sit for several hours to see if the air leaks but looking for bubbles isn't bad ether. |
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eric lavine
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Joined: August-13-2006 Location: United States Status: Offline Points: 13413 |
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Posted: August-01-2008 at 10:02am |
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use the tightening hexes on the cooler to tighten the fittings, 9 out of ten coolers are bent from not using them and they will crack when you tighten the fittings
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SNobsessed
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Posted: August-02-2008 at 12:44am |
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Pete - I pressurized the water side & found a pinhole leak in the end-bell joint. I didn't seal the oil ports very tight so I inherently tested that interface along the way. Just my way of doing it.
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“Beer is proof that God loves us and wants us to be happy.”
Ben Franklin |
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eric lavine
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Posted: August-02-2008 at 11:48am |
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snob, always check the oil side because if you completey block all ports you wont see an internal leak, the cooler can handle 100 lbs. on the oil side and if you leave the water ports open on each end the air will leak out. if you cap them you will only find an external water leak and your more concerned with internal leaks, obviously if it is leaking externally also you want to replace
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eric lavine
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Posted: August-02-2008 at 11:51am |
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i plug one oil port and put an airline chuck in the other and thats it, i put the airline to it and sink it in a bucket and watch for bubbles... i rarely check the water side but probably should for water leaks
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SNobsessed
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Posted: August-03-2008 at 12:31am |
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I agree your way is better. Mine was wrapped with duct tape from the PO so I was suspicious of an external water leak - found it!
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“Beer is proof that God loves us and wants us to be happy.”
Ben Franklin |
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