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11-28-2009, 04:07 PM
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Join Date: Apr 2008
Location: Stockholm, Sweden
Posts: 164
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Oil cooler connection
I have been trying to find info in the overhaul & parts manual where you connect the oil cooler. I can't find it so I turn to the forum for help. What are the plugs marked with A, B and C.

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Hans Str?hle
Jodel sold (SE-XEV)
RV-4, flying any day (SE-XJJ)
F?rentuna, Stockholm
Sweden
EAA222
2020 =VAF= $20 donation paid
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11-28-2009, 04:13 PM
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Join Date: Mar 2005
Location: Dallas area
Posts: 10,769
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Look in the back of the "Operator's Manual"
"A" is "To cooler"
"B" is "From cooler"
Not sure what "C" is. Doesn't show up in my manual.
__________________
Mel Asberry, DAR since the last century.
EAA Flight Advisor/Tech Counselor, Friend of the RV-1
Recipient of Tony Bingelis Award and Wright Brothers Master Pilot Award
USAF Vet, High School E-LSA Project Mentor.
RV-6 Flying since 1993 (sold)
<rvmel(at)icloud.com>
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11-28-2009, 04:36 PM
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Join Date: Apr 2008
Location: Stockholm, Sweden
Posts: 164
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Oil cooler
Thanks Mel. I didn't look in the operators manual but there it was. The unknown outlet is not in my manual either. If I can't find out what it is I just have to plug it.
__________________
Hans Str?hle
Jodel sold (SE-XEV)
RV-4, flying any day (SE-XJJ)
F?rentuna, Stockholm
Sweden
EAA222
2020 =VAF= $20 donation paid
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11-28-2009, 07:14 PM
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Join Date: Oct 2005
Location: 08A
Posts: 9,500
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"C" gets a #62417 plug and STD-294 gasket.
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Dan Horton
RV-8 SS
Barrett IO-390
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11-28-2009, 07:38 PM
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Join Date: Mar 2005
Location: Dallas area
Posts: 10,769
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Quote:
Originally Posted by DanH
"C" gets a #62417 plug and STD-294 gasket.
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Dan is correct, However my parts manual shows that if you use the plug, it also gets a 62415 oil cooler bypass plunger and a 69436 oil cooler bypass spring.
"C" can also be used as an alternate "to oil cooler" connection.
__________________
Mel Asberry, DAR since the last century.
EAA Flight Advisor/Tech Counselor, Friend of the RV-1
Recipient of Tony Bingelis Award and Wright Brothers Master Pilot Award
USAF Vet, High School E-LSA Project Mentor.
RV-6 Flying since 1993 (sold)
<rvmel(at)icloud.com>
Last edited by Mel : 11-28-2009 at 07:42 PM.
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11-29-2009, 06:29 AM
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Join Date: Oct 2005
Location: 08A
Posts: 9,500
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Quote:
Originally Posted by Mel
Dan is correct, However my parts manual shows that if you use the plug, it also gets a 62415 oil cooler bypass plunger and a 69436 oil cooler bypass spring.
"C" can also be used as an alternate "to oil cooler" connection.
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The plunger and spring are not necessary with a vernatherm, and can't be installed with vernatherm configurations.
http://www.vansairforce.com/communit...9&postcount=14
__________________
Dan Horton
RV-8 SS
Barrett IO-390
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11-29-2009, 07:02 AM
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Join Date: Mar 2005
Location: Dallas area
Posts: 10,769
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Quote:
Originally Posted by DanH
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Gotcha. Thanks for the catch.
__________________
Mel Asberry, DAR since the last century.
EAA Flight Advisor/Tech Counselor, Friend of the RV-1
Recipient of Tony Bingelis Award and Wright Brothers Master Pilot Award
USAF Vet, High School E-LSA Project Mentor.
RV-6 Flying since 1993 (sold)
<rvmel(at)icloud.com>
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12-10-2009, 02:42 PM
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Join Date: Apr 2008
Location: Stockholm, Sweden
Posts: 164
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Oil cooler connection again
Quote:
Originally Posted by DanH
"C" gets a #62417 plug and STD-294 gasket.
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Dan
I thought this was an outlet to the oil cooler fed through the Vermitherm. I measured the thread to 3/8" but it is probably a 9/16"-18 thread and a standard (#62417?) plug fits in. To connect to the cooler I need a fitting with that thread and a flared tube at the other end. Is my guessing correct and where would I find a fitting like this?
__________________
Hans Str?hle
Jodel sold (SE-XEV)
RV-4, flying any day (SE-XJJ)
F?rentuna, Stockholm
Sweden
EAA222
2020 =VAF= $20 donation paid
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12-10-2009, 03:25 PM
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Join Date: Apr 2008
Location: Lake Havasu City AZ
Posts: 2,393
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COOLER
In most cases, using the Aero Classics cooler as an example, the cooler ports end up one above the other. B should go to the top cooler port and A to the bottom cooler port. If I recall correctly, Mahlon says this is just standard protocol and probably doesn't make any significant difference. Using these ports, all fittings are AN816-8 or 8D, AN 822-8 or 8D or AN823-8 or 8D. Some recommend trying to avoid 90 degree fittings, but I have seen factory 90degree cooler fittings that worked fine. Using C for a cooler line just complicates the fitting situation and adds another place for a leak. The aluminum fittings(D) in aluminum do increase the chances of galling or siezeing the fitting, but if you use titeseal or something similar this is usually not a problem.
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12-10-2009, 03:39 PM
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Join Date: Apr 2008
Location: Stockholm, Sweden
Posts: 164
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Cooler
Quote:
Originally Posted by jrs14855
In most cases, using the Aero Classics cooler as an example, the cooler ports end up one above the other. B should go to the top cooler port and A to the bottom cooler port. If I recall correctly, Mahlon says this is just standard protocol and probably doesn't make any significant difference. Using these ports, all fittings are AN816-8 or 8D, AN 822-8 or 8D or AN823-8 or 8D. Some recommend trying to avoid 90 degree fittings, but I have seen factory 90degree cooler fittings that worked fine. Using C for a cooler line just complicates the fitting situation and adds another place for a leak. The aluminum fittings(D) in aluminum do increase the chances of galling or siezeing the fitting, but if you use titeseal or something similar this is usually not a problem.
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Connecting the cooler to the A port means that it will cool all the time. If I understand it right, the Vermitherm valve will regulate the amount of oil that will flow into the oil cooler. What puzzles me is what kind fo fitting you would use to connect to the A port.
__________________
Hans Str?hle
Jodel sold (SE-XEV)
RV-4, flying any day (SE-XJJ)
F?rentuna, Stockholm
Sweden
EAA222
2020 =VAF= $20 donation paid
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