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New 912ULS Oil Fittings

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John Hauck

Joined: 09 Jan 2006
Posts: 4639
Location: Titus, Alabama (hauck's holler)

Posted: Wed Mar 28, 2007 10:18 am Post subject: New 912ULS Oil Fittings

Hi Gang:



Need some help with the new, push on type, oil line fittings used on 

the 912ULS oil tank and engine.



What is the prescribed procedure for installation and security?



Also, prescribed procedure for removal.



I found some info last night on the internet.  From what I could make 

out, it is a simple push on fit with no securing hose clamp.



Thanks,



john h

mkIII

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John Hauck
MKIII/912ULS
hauck's holler
Titus, Alabama

JetPilot

Joined: 10 Jan 2006
Posts: 1246

Posted: Wed Mar 28, 2007 1:50 pm Post subject: Re: New 912ULS Oil Fittings

Here is a pictre of mine.

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Kolb MK-III Xtra, 912-S

Roger Lee

Joined: 10 Jan 2006
Posts: 1464
Location: Tucson, Az.

Posted: Wed Mar 28, 2007 2:36 pm Post subject: Re: New 912ULS Oil Fittings

Hi John,



With the correct push-on fittings and correct hose (special hose for push on only) you are technically right that they are push on only, but Rotax would like those backed up with a clamp. If they were enclosed in a cowling then they would like fire sleveing , too. But I know your plane is an open engine mounting.



I can only guess that they want a clamp because we don't drive on the ground?

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John Hauck

Joined: 09 Jan 2006
Posts: 4639
Location: Titus, Alabama (hauck's holler)

Posted: Wed Mar 28, 2007 2:42 pm Post subject: New 912ULS Oil Fittings

| Here is a pictre of mine.

Thanks, Mike B:



But..............your fittings are the old style, like I had on my 

last engine.



john h

mkIII

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John Hauck
MKIII/912ULS
hauck's holler
Titus, Alabama

John Hauck

Joined: 09 Jan 2006
Posts: 4639
Location: Titus, Alabama (hauck's holler)

Posted: Wed Mar 28, 2007 2:52 pm Post subject: New 912ULS Oil Fittings

| With the correct push-on fittings and correct hose (special hose 

for push on only) you are technically right that they are push on 

only, but Rotax would like those backed up with a clamp.

| Roger Lee

Hi Roger:



No problem with the push on fitting.  The 912 series engines are 

operating on a vacuum for the feed line from the oil tank, and 3 to 5 

psi on the return line to the tank.



I may use a narrow SS hose clamp as backup, or a couple wraps of 

safety wire, just to make an old man feel better.  



Take care,



john h

mkIII

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John Hauck
MKIII/912ULS
hauck's holler
Titus, Alabama

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