Today's Message Index:
----------------------
1. 07:23 AM - rocker arm bushings (Lynn Matteson)
2. 02:38 PM - Re: rocker arm bushings (Peter Harris)
3. 06:42 PM - Re: rocker arm bushings (Lynn Matteson)
Message 1
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| Subject: | rocker arm bushings |
I just did a 15 hour inspection of the rocker arm bushing job on my
2200 Jabiru, and all looks well. I had put some 2-3 hour trips on it
to try to get time built up so I'd have a chance to inspect it before
a much longer planned trip. The wear pattern looks good. I expected
to see a little more oil when I took the covers off, because I had
drilled out the oil delivery tube fitting orifice from .059" to .
063", but this didn't exactly flood the rocker area with
oil...enough, but not to the point of robbing the rest of the engine
of oil, to be sure.
The valve clearance setting had to be adjusted, but I expected this
due to a seating-in of the new bushings on the rocker shafts. I had
swapped the shafts across the engine so I could start fresh on a new
portion of the shaft. I'll check the clearances again in another
10-15 hours, just to be sure the clearances don't loosen again.
Lynn Matteson
Grass Lake, Michigan
Kitfox IV Speedster w/Jabiru 2200
flying w/293+ hrs
Message 2
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| Subject: | rocker arm bushings |
Good work Lynn congratulations on the initiative and the whole approach.
Peter H
-----Original Message-----
From: owner-jabiruengine-list-server@matronics.com
[mailto:owner-jabiruengine-list-server@matronics.com] On Behalf Of Lynn
Matteson
Sent: Tuesday, 22 May 2007 12:26 AM
Subject: JabiruEngine-List: rocker arm bushings
I just did a 15 hour inspection of the rocker arm bushing job on my
2200 Jabiru, and all looks well. I had put some 2-3 hour trips on it
to try to get time built up so I'd have a chance to inspect it before
a much longer planned trip. The wear pattern looks good. I expected
to see a little more oil when I took the covers off, because I had
drilled out the oil delivery tube fitting orifice from .059" to .
063", but this didn't exactly flood the rocker area with
oil...enough, but not to the point of robbing the rest of the engine
of oil, to be sure.
The valve clearance setting had to be adjusted, but I expected this
due to a seating-in of the new bushings on the rocker shafts. I had
swapped the shafts across the engine so I could start fresh on a new
portion of the shaft. I'll check the clearances again in another
10-15 hours, just to be sure the clearances don't loosen again.
Lynn Matteson
Grass Lake, Michigan
Kitfox IV Speedster w/Jabiru 2200
flying w/293+ hrs
Message 3
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| Subject: | Re: rocker arm bushings |
Thanks, Peter. With luck, this'll hold up well. Wish I knew why the
originals didn't...gremlins, maybe. : )
Lynn
do not archive
On May 21, 2007, at 5:36 PM, Peter Harris wrote:
> <peterjfharris@bigpond.com>
>
> Good work Lynn congratulations on the initiative and the whole
> approach.
> Peter H
>
> -----Original Message-----
> From: owner-jabiruengine-list-server@matronics.com
> [mailto:owner-jabiruengine-list-server@matronics.com] On Behalf Of
> Lynn
> Matteson
> Sent: Tuesday, 22 May 2007 12:26 AM
> To: jabiruengine-list@matronics.com
> Subject: JabiruEngine-List: rocker arm bushings
>
> <lynnmatt@jps.net>
>
> I just did a 15 hour inspection of the rocker arm bushing job on my
> 2200 Jabiru, and all looks well. I had put some 2-3 hour trips on it
> to try to get time built up so I'd have a chance to inspect it before
> a much longer planned trip. The wear pattern looks good. I expected
> to see a little more oil when I took the covers off, because I had
> drilled out the oil delivery tube fitting orifice from .059" to .
> 063", but this didn't exactly flood the rocker area with
> oil...enough, but not to the point of robbing the rest of the engine
> of oil, to be sure.
>
> The valve clearance setting had to be adjusted, but I expected this
> due to a seating-in of the new bushings on the rocker shafts. I had
> swapped the shafts across the engine so I could start fresh on a new
> portion of the shaft. I'll check the clearances again in another
> 10-15 hours, just to be sure the clearances don't loosen again.
>
>
> Lynn Matteson
> Grass Lake, Michigan
> Kitfox IV Speedster w/Jabiru 2200
> flying w/293+ hrs
>
>
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