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Bryan Allsop
Joined: 29 Jun 2007
Posts: 78
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 Posted: Wed Jul 23, 2008 12:11 pm Post subject: Increased oil pressure |
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My 912s Rotax has performed very reliably for over 400 hours C but I am beginning to notice that the oil pressure is rising.
The pressure normally sits at 4 bar C but it is now rising to 6 bar in flight C and drops back on idling.
Is this common C or is indicative of an impending problem?
Bryan
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Ivor Phillips
Joined: 16 Jan 2006
Posts: 253
Location: London UK
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| Posted: Wed Jul 23, 2008 12:40 pm Post subject: Increased oil pressure |
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I would check the connector on the oil pressure switch first, a Bad connection will show as a apparent rise in pressure, Rotax do recommend having the sensor remotely fitted using a flexible pipe to reduce vibration,
Are you using the latest type with brass collar, which supposedly helped to damp down the vibration and extend the sensors life
Regards
Ivor
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Bryan Allsop
Joined: 29 Jun 2007
Posts: 78
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| Posted: Wed Jul 30, 2008 11:18 am Post subject: Increased oil pressure |
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For the record. I have traced the cause of my rising oil pressure problem C and I though a feedback could be usefull.
Moisture had found it's way into the connection at the sender end. I have been flying through some wet stuff recently. There was an indication of oxidation which would not have helped.
Once cleaned up. and sealed C the pressure gauge returned normal reading.
My thanks to Duncan C Ivor C and Roger who responded and got me thinking in the right direction.
Bryan
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