Today's Message Index:
----------------------
1. 01:44 PM - Blown oil hose CJ - connectors? (jay-dub)
2. 03:15 PM - Re: Blown oil hose CJ - connectors? (Doug Zeissner)
3. 05:12 PM - Re: Blown oil hose CJ - connectors? (A. Dennis Savarese)
4. 10:56 PM - Re: Blown oil hose CJ - connectors? (Walter Lannon)
Message 1
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| Subject: | Blown oil hose CJ - connectors? |
It's all happening...
Just prior to shutdown (luckily), the hose from the engine to the oil cooler let
go just aft of the firewall but before the cockpit, resulting in hot oil spraying
out and now seeping from just about every panel and flooding the right side
of the cockpit. No injuries fortunately.
We can replace the hose easily enough but the issue is the connectors. The existing
ones don't appear to be reusable - unless someone here knows different.
Are they standard AN connectors? If so, no dramas. If not, what are they and where
can I get them please?
--------
CJ and Yak-52 owner
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=471357#471357
Message 2
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| Subject: | Re: Blown oil hose CJ - connectors? |
When some of mine were changed we used a pipe wrench with the hose firmly clamped
into a vice. It marked them up a little but they were reusable.
Sent from my iPhone
> On Jul 30, 2017, at 2:44 PM, jay-dub <flyjnw@gmail.com> wrote:
>
>
> It's all happening...
>
> Just prior to shutdown (luckily), the hose from the engine to the oil cooler
let go just aft of the firewall but before the cockpit, resulting in hot oil spraying
out and now seeping from just about every panel and flooding the right
side of the cockpit. No injuries fortunately.
>
> We can replace the hose easily enough but the issue is the connectors. The existing
ones don't appear to be reusable - unless someone here knows different.
>
> Are they standard AN connectors? If so, no dramas. If not, what are they and
where can I get them please?
>
> --------
> CJ and Yak-52 owner
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=471357#471357
>
>
>
>
>
>
>
>
>
Message 3
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| Subject: | Re: Blown oil hose CJ - connectors? |
They are definitely not AN fittings!=C2- They are metric.=C2- Remove th
e hose and find a hose fabrication shop that will remove the ends off the h
ose and reuse the metric nuts or give Cliff Coy a call at Border Air in Swa
nton, VT.=C2- Cliff can remake the hose using your hose ends and metric h
ose.=C2- 802-868-2822.Dennis
From: jay-dub <flyjnw@gmail.com>
To: yak-list@matronics.com
Sent: Sunday, July 30, 2017 4:45 PM
Subject: Yak-List: Blown oil hose CJ - connectors?
It's all happening...
Just prior to shutdown (luckily), the hose from the engine to the oil coole
r let go just aft of the firewall but before the cockpit, resulting in hot
oil spraying out and now seeping from just about every panel and flooding t
he right side of the cockpit. No injuries fortunately.
We can replace the hose easily enough but the issue is the connectors. The
existing ones don't appear to be reusable - unless someone here knows diffe
rent.
Are they standard AN connectors? If so, no dramas. If not, what are they an
d where can I get them please?
--------
CJ and Yak-52 owner
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=471357#471357
S -
WIKI -
-
=C2- =C2- =C2- =C2- =C2- -Matt Dralle, List Admin.
Message 4
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| Subject: | Re: Blown oil hose CJ - connectors? |
That is a very disturbing report. Such a failure in flight could be
catastrophic. These are old to very old aircraft, some in the order of 50 +
years and the oil cooler hoses are very difficult to replace or even
inspect.
The oil out hose is probably the most critical one in the aircraft due to
high temperature and the fact that scavenge pump pressure is unregulated.
Were this a certificated aircraft there would likely be an AWD on the
subject.
Jay-dub could you provide some pics and description of the failure when you
get a chance?
Condolences and Thanks;
Walt
-----Original Message-----
From: jay-dub
Sent: Sunday, July 30, 2017 1:44 PM
Subject: Yak-List: Blown oil hose CJ - connectors?
It's all happening...
Just prior to shutdown (luckily), the hose from the engine to the oil cooler
let go just aft of the firewall but before the cockpit, resulting in hot oil
spraying out and now seeping from just about every panel and flooding the
right side of the cockpit. No injuries fortunately.
We can replace the hose easily enough but the issue is the connectors. The
existing ones don't appear to be reusable - unless someone here knows
different.
Are they standard AN connectors? If so, no dramas. If not, what are they and
where can I get them please?
--------
CJ and Yak-52 owner
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=471357#471357
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