Today's Message Index:
----------------------
1. 03:26 AM - Re: teardown or not to teardown (Malcolmbru@aol.com)
2. 05:58 AM - 912 fuel leak (SJA)
3. 10:22 AM - Re: 912 fuel leak (Pete Jeffers)
4. 02:00 PM - Crank Seals (frank & margie)
5. 05:08 PM - tear down or not to tear down (John Esch)
Message 1
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| Subject: | Re: teardown or not to teardown |
On first assembly the factory puts grease inside the seal before pushing it
on the crank sometimes they put too much and it is forced out.
Message 2
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--> RotaxEngines-List message posted by: "SJA" <salbore@netzero.net>
Before I contact the mechanic:
Last week I had a partially blocked main jet on the right carb. Cleaned it, floats
fine, etc. Checked the left, and, it looked good. Replaced the plugs (it
was time) and all looked about the same = tannish.
Now, on the left, Ive got a fuel leak that seems to come from the carb. The blow
by tube feels dry. But the bottom of the carb is wet, and a leak is dripping
under the carb.
So just for start: Is it the gasket? The blow-by?
Any ideas?
Thanks.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=65446#65446
Message 3
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--> RotaxEngines-List message posted by: "Pete Jeffers" <pjeffers@talktalk.net>
Hi,
Could well be the gasket on the carb bowl. They do get displaced when you
refit and then get cut up. The problem is worse if you have the older type
of cork seals because they get displaced more easily and are more fragile.
The later seals are some sort of more rigid plastic that fit well into the
grooves.
Regards Pete Jeffers
PS you did not say which engine but I answer for the 4 strokes
-----Original Message-----
From: owner-rotaxengines-list-server@matronics.com
[mailto:owner-rotaxengines-list-server@matronics.com] On Behalf Of SJA
Sent: 03 October 2006 13:58
Subject: RotaxEngines-List: 912 fuel leak
--> RotaxEngines-List message posted by: "SJA" <salbore@netzero.net>
Before I contact the mechanic:
Last week I had a partially blocked main jet on the right carb. Cleaned it,
floats fine, etc. Checked the left, and, it looked good. Replaced the
plugs (it was time) and all looked about the same = tannish.
Now, on the left, Ive got a fuel leak that seems to come from the carb. The
blow by tube feels dry. But the bottom of the carb is wet, and a leak is
dripping under the carb.
So just for start: Is it the gasket? The blow-by?
Any ideas?
Thanks.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=65446#65446
--
--
Message 4
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REF: All
I pulled my recoil starter assembly and noticed a small accumulation of
oil.
Since I am planning on decarbing it, should I consider of replacing the
PTO and Mag side seals?
--------------------------------------
John,
I know it's a pain, takes time, and costs $$$-----but aviation needs
to be treated with respect-----read that info on crank seals again on
the Green Sky website-----2 strokes will not run right if the crank
seals are leaking! I'd hate to see you become another statistic, not
to mention adding to the bad rep ultralights already have.
How many engine out forced landings have you had, so far? It ain't
a matter of IF, it's a matter of WHEN------and if you give murphy the
chance, it will be sooner-----
Frank Clyma
Message 5
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| Subject: | tear down or not to tear down |
All
Another question is can a person, not a shop, replace the O-rings on the
crankshaft bearings (5) around the connecting rods on a 447 without
damaging the o-rings ?
John
Independence, OR
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