---------------------------------------------------------- Zenith701801-List Digest Archive --- Total Messages Posted Mon 06/04/12: 3 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 07:15 AM - 912 and 701 oil pump connections (dashwood) 2. 06:24 PM - Re: 912 and 701 oil pump connections (dashwood) 3. 07:30 PM - Re: 912 and 701 oil pump connections (MacDonald Doug) ________________________________ Message 1 _____________________________________ Time: 07:15:32 AM PST US Subject: Zenith701801-List: 912 and 701 oil pump connections From: "dashwood" i am having a problem plumbing the oil cooler outlet to the inlet to the pump.. a 912 in a 701. it is a suction line. and the pipe and fittings are not working. plane has been flying for 11 years and 500hrs.. i have replaced this hose several times.. the fitting into the pump is a hose barb with what appears to be a 12mm 16 tpi fitting.. from there the shortest amount of hardware takes me 2" past the outlet of oil cooler.. the hoses have to return 2" and down 4" to get back to oil cooler. this line is under stress and wants to kink off oil flow.. i was just wondering what others are doing at this point. i think instead of 2 hose barbs back to back into an up size adapter into 1/2 x 90deg elbow down into 1/2hose barb, short hose to inlet barb on cooler... does not fit well and is a lot parts to get a short distance.. if i could find a fitting to go into pump that could in shorter space be adapted into standard pipe fitting would be better.. pictures would be appreciated. -------- Ross Aalexander: CH701 driver 912ul 589tt It only takes two things to fly, airspeed and money Read this topic online here: http://forums.matronics.com/viewtopic.php?p=374663#374663 ________________________________ Message 2 _____________________________________ Time: 06:24:02 PM PST US Subject: Zenith701801-List: Re: 912 and 701 oil pump connections From: "dashwood" example of poor drawing -------- Ross Aalexander: CH701 driver 912ul 589tt It only takes two things to fly, airspeed and money Read this topic online here: http://forums.matronics.com/viewtopic.php?p=374726#374726 Attachments: http://forums.matronics.com//files/pipedraw_820.pdf ________________________________ Message 3 _____________________________________ Time: 07:30:42 PM PST US From: MacDonald Doug Subject: Re: Zenith701801-List: 912 and 701 oil pump connections Ross, I think I understand what you are looking for.- With my engine ther e is a 90 deg elbow fitting that goes onto the outlet of the pump that line s up perfectly with my oil cooler.- The piece of hose I use is about two inches long and has no stress on it.- My understanding is the elbow fitti ng-was part of the older bed style firewall forward kit from Zenith.- I don't know where the one on my engine came from because it was on the engi ne when I bought it used.- The engine was originally installed on a 701 t hough, '99 vintage I believe.=0A-=0AHope this helps a bit.=0A-=0ADoug M =0ACH-701/912 UL=0ANW Ontario, Canada=0A =0A=0A____________________________ ____=0A From: dashwood =0ATo: zenith701801-list@m atronics.com =0ASent: Monday, June 4, 2012 9:14:42 AM=0ASubject: Zenith7018 01-List: 912 and 701 oil pump connections=0A =0A--> Zenith701801-List mess age posted by: "dashwood" =0A=0Ai am having a pro blem plumbing the oil cooler outlet to the inlet to the pump..- a 912 in a 701. it is a suction line. and the pipe and fittings are not working. pla ne has been flying for 11 years and 500hrs.. i have replaced this hose seve ral times..- the fitting into the pump is a hose barb with what appears t o be a 12mm 16 tpi fitting.. from there the shortest amount of hardware tak es me 2" past the outlet of oil cooler.. the hoses have to return 2" and do wn 4" to get back to oil cooler. this line is under stress and wants to kin k off oil flow.. i was just wondering what others are doing at this point. i think instead of 2 hose barbs back to back into an up size adapter into 1 /2 x 90deg elbow down into 1/2hose barb, short hose to inlet barb on cooler ... does not fit well and is a lot parts to get a short distance.. if i cou ld find a fitting to go into pump that could in shorter space be adapted in to standard pipe fitting would be better.. pictures would be appreciated.=0A=0A--------=0ARoss Aalexander: CH701 driver 912ul 589tt=0AIt only takes two things to fly, airspeed and money=0A=0A=0A=0A=0AR ead this topic online here:=0A=0Ahttp://forums.matronics.com/viewtopic.php? 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