mhilderbrand
Joined: 28 Sep 2006
Posts: 36
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 Posted: Sun Oct 25, 2009 3:24 pm Post subject: Problem after ground run |
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Thanks, Doug! I appreciate the advise. I do plan on calling Pete in the morning, before doing anything else. All these random, expensive thoughts, enter my head.. and, of course, this all happens on the weekend!
Michael Hilderbrand
Derby, Kansas
Http://www.kansasflying.com
From: "Kayberg(at)aol.com" <Kayberg(at)aol.com>
To: jabiruengine-list(at)matronics.com
Sent: Sunday, October 25, 2009 2:56:04 PM
Subject: Re: Re: Problem after ground run
First, I would talk to the US Jabiru guys. Call them tomorrow.
Second, I would do what they suggest, not your local A & P. The engine is a little jewel, but it is not a Lycoming or a Continental. You could easily UPS them the parts if necessary.
Very unlikely it is a piston ring. They dont make that noise when they break!
You wont have to take the engine off the mount to fix it.
Doug
In a message dated 10/24/2009 9:03:28 P.M. Eastern Daylight Time, m_hilderbrand(at)sbcglobal.net writes:
| Quote: | After taking the valve covers off it does not look like a rocker & pushrod slip. The knocking sound is REALLY prominent about 3" out from the crankcase on the cylinder (using the old screwdriver to the ear trick). My father has a hard time believing a sticking valve would be heard so close to the crankcase. I am NOT real mechanical so I refer often to my father's suggestion and ideas. He thinks the sound is probably from a messed up piston ring - at least, that is his latest thoughts.
Another question I have: IF this requires replacing the piston and honing the cylinder, where would you guys take it? Is this engine easy enough to disassemble that a seasoned veteran mechanic should be able to perform such a task? Maybe an AP? And, can this task be performed without taking the engine off the mount? The local airport owner was telling me that AP's take jugs off certificated engines independently all the time.... Any suggestions?
Thanks!
Michael Hilderbrand
Derby, Kansas
Http://www.kansasflying.com |
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