Today's Message Index:
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1. 06:11 AM - Re: Mag failure at mag-check (Lynn Matteson)
2. 06:22 AM - Re: Mag failure at mag-check (Lynn Matteson)
3. 06:52 AM - Re: Mag failure at mag-check (gary aman)
4. 08:31 PM - Re: Mag failure at mag-check (jetboy)
Message 1
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| Subject: | Re: Mag failure at mag-check |
Finding a cap loose at 237 hours was what caused me to remove it and
look inside. I found a bit of oil inside the left cap, which had come
through the shaft seal. I checked the right mag and found it to be
saturated with oil, to the point of almost covering the lowest
terminal inside the cap. The left shaft was scored by the seal, but
the right shaft was unscored. The best-looking shaft had dumped the
most oil. I corrected the condition by installing Speedi-Sleeves on
both shafts, and installing new seals. No leakage has been found since.
As a result of finding loose rotors recently, I've started to use
Hysol (a 2-part structural adhesive...epoxy) to secure the rotors.
Lynn Matteson
Grass Lake, Michigan
Kitfox IV Speedster w/Jabiru 2200
flying w/470+ hrs
On Feb 6, 2008, at 11:01 PM, Keith Pickford wrote:
> <kpickford@xtra.co.nz>
>
> I have read 200 hrs somewhere on the Jabiru CD - Replaced ours at 300
> because cap was loose, Have done another 600 since with no trouble -
> used Araldite on rotors
>
> Keith
>
> Alpi Pioneer 200 w/Jabiru 2200 900+ hrs
> Jabiru J160 2200 Hydraulic lifters 300+ hrs
>
> -----Original Message-----
> From: owner-jabiruengine-list-server@matronics.com
> [mailto:owner-jabiruengine-list-server@matronics.com] On Behalf Of
> Lynn
> Matteson
> Sent: Thursday, February 07, 2008 3:19 PM
> To: jabiruengine-list@matronics.com
> Subject: Re: JabiruEngine-List: Mag failure at mag-check
>
> <lynnmatt@jps.net>
>
> I'm pretty sure that I read it right here...or on the Yahoo Jabiru
> list, I'm not sure. I went back and looked through my mail about the
> time that I had the leaking dist shaft seals, thinking maybe that
> could have triggered a response from "a person in the know", but
> couldn't find the reference.
>
> Lynn Matteson
> Grass Lake, Michigan
> Kitfox IV Speedster w/Jabiru 2200
> flying w/470+ hrs
>
>
Message 2
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| Subject: | Re: Mag failure at mag-check |
I agree, Ivan....Pete's been good about answering problems. I haven't
had to lean on him too often for advice, as my engine got to the 200
hour mark pretty quick with no problems. I did, however, try to talk
him out of a Jabiru hat when I was at Oshkosh, but no deal...I had to
buy a hat just like everyone else...bummer. : ) (I did buy the hat,
though)
Lynn Matteson
Grass Lake, Michigan
Kitfox IV Speedster w/Jabiru 2200
flying w/470+ hrs
On Feb 6, 2008, at 9:50 PM, Ivan wrote:
>
> Lynn
> The neat thing that I love about the Jabiru so far is the good
> documentation and Pete's input. I can go to the service manual and
> know exactly what I have to check, how to do it and how often. I
> felt a little unsupported in those areas when I was running my Rotax.
>
> Ivan
>
Message 3
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| Subject: | Re: Mag failure at mag-check |
Anyone happen to have the Bosch numbers for replacement caps and rotors for 2200s?
Thanx G. Aman
----- Original Message ----
From: Lynn Matteson <lynnmatt@jps.net>
Sent: Wednesday, February 6, 2008 9:13:13 AM
Subject: Re: JabiruEngine-List: Mag failure at mag-check
<lynnmatt@jps.net>
Don and Buz-
Since I began to use the epoxy, I haven't had to remove a rotor. The
first one I did...the left...was about 50 hours ago (and checked 1-2
hours ago), the second one...the right...just 1-2 hours ago. When it
comes time to change rotors next time, I'll heat the rotor with a
heat gun and it *should* loosen and come right off. I'm betting that
the epoxy will hold the rotor so well that changing will become a non-
issue. After all, what can go wrong with a rotor under normal (read
automotive) circumstances? It just sits there going around and
around, with no load or stress on it. Granted, the jumping spark
*can* erode the tip, but I've touched auto rotors up with a file, and
put them back into service. The button contact area sees no spark
jump, and should last forever as well, given a slight buffing with
steel wool, for example. To my mind, the 200 hour life span of these
parts is based on the "wobble factor"...if it doesn't wobble, why
should it fail? I'm certainly not advocating NOT changing rotors and
caps, I'd just like to see someone (read: a Jabiru dealer, mechanic,
or engineer) point out the real reason for the suggested time frame.
When I changed rotors the first time around, due to a distributor oil
seal leak, I scoffed at having to glue them on, and I learned my
lesson by having them wobble and fail early, so I'm certainly willing
to learn from someone who has the real story. In the meantime,
weather permitting, I'll continue to log hours on my engine, and do
rotor checks at every other oil change and see what
happens...hopefully NOT "famous last words" : - )
Lynn Matteson
Grass Lake, Michigan
Kitfox IV Speedster w/Jabiru 2200
flying w/470+ hrs
On Feb 6, 2008, at 10:49 AM, Don Morrisey wrote:
> Lynn:
>
> As someone who is very close to installing my 3300, I am curious
> how, after gluing or epoxying the rotors on, they then get removed
> the next time around?
>
> Thanks. Don...
>
> www.donsbushcaddy.com
> Don Morrisey's Skunkworks
>
>
> > From: lynnmatt@jps.net
> > Subject: Re: JabiruEngine-List: Mag failure at mag-check
> > Date: Wed, 6 Feb 2008 08:15:23 -0500
> > To: jabiruengine-list@matronics.com
> >
> <lynnmatt@jps.net>
> >
> > Clive-
> > Now that you mentioned it, one of my original metal clips was
> broken,
> > too.
> >
> > Oh, by the way, I drilled 4 holes around the skirt of the rotor, in
> > line with the interior grooves in the rotor, and when I epoxy the
> > rotors on, the epoxy oozes out of the holes and forms a "rivet" of
> > sorts, helping to hold the rotors on. It may be overkill, but I'd
> > rather be safe than sorry. Incidentally, my original rotors were
> both
> > sloppy loose when I first inspected them at 237 hrs.
> >
> > During the recent repair, I looked at the "good" side and it was
> > holding just fine. When I first did the hole drilling thing, I had
> > decided that if that didn't hold, that I would use a Dremel tool
and
> > grind a few shallow pockets into the side of the distributor shaft,
> > so that the epoxy could really get a bite onto the shaft. So far
> that
> > hasn't been necessary.
> >
> >
> > Lynn Matteson
> > Grass Lake, Michigan
> > Kitfox IV Speedster w/Jabiru 2200
> > flying w/470+ hrs
> >
> >
> > On Feb 6, 2008, at 4:29 AM, James, Clive R wrote:
> >
> > > <clive.james@uk.bp.com>
> > >
> > > Cause as always the metal spring clip had failed. A bit of
> > > corrosion and
> > > it was in 2 pieces. Genuine Bosch parts. Haven't opened the
> other one
> > > yet but will post it's condition when I do. Some anti corrosive
> spray
> > > would be good but then that won't help with the glue. Didn't
> show up
> > > last time I had the caps off ~50 hrs back.
> > >
> > > Regards, Clive
> > >
> >
> >====================
> >
> >
> >
>
>
> Shed those extra pounds with MSN and The Biggest Loser! Learn
> forums.matronics.com_-
> ============================================================ _-
> contribution_-
> ===========================================================
Message 4
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| Subject: | Re: Mag failure at mag-check |
Cap GH506 Rotor GH600
these show on the carton as for Honda Civic '73 and Datsun (Nissan) 1100 or 1200
They were identical to the ones on my 2200. Note you will need to cut off a portion
of the caps to use them on the engine
Ralph
--------
Ralph - CH701 / 2200a
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