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Nanchang Oil Scavenge Pump

 
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mnwaust



Joined: 24 Mar 2009
Posts: 3

PostPosted: Tue Mar 24, 2009 4:43 pm    Post subject: Nanchang Oil Scavenge Pump Reply with quote

Hi All

I'm in the process of trying to get my Nanchang flying. The latest problem is the oil isn't getting back to the header tank. My mechanic is thinking there is a problem with the scavenge pump but he is not familiar with the Housai engine and is hoping not to start pulling it to pieces if possible. If anyone has any info or advice it would be greatly appreciated.

Thanks
Mark Norman
West Australia


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jgriffint28(at)cox.net
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PostPosted: Tue Mar 24, 2009 7:35 pm    Post subject: Nanchang Oil Scavenge Pump Reply with quote

Hi Mark
If you had your hoses rebuilt, make sure they are flow tested. It is very
easy to occlude the hose when the fitting is inserted because most people
don't have mandrells for these hoses and the rubber is softer than AN hoses
.The oil pump is very reliable in this engine. Been there.
Jim Griffin

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mnwaust



Joined: 24 Mar 2009
Posts: 3

PostPosted: Mon Mar 30, 2009 3:34 am    Post subject: Re: Nanchang Oil Scavenge Pump Reply with quote

The problem wasn't the pump, it was a blockage in the lines somewhere.
Thanks to everyone who emailed me, your advice was very helpful.

Mark


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