Today's Message Index:
----------------------
1. 04:18 AM - Re: Electrical issue (Bryan Chambers)
2. 07:56 AM - Re: Electrical issue (Rob Rowe)
3. 08:48 AM - Re: Electrical issue (LawnDart)
4. 09:18 AM - Re: Electrical issue (Rob Rowe)
5. 10:45 PM - Re: Why is the T34 so overpriced? (Richard Romaine)
Message 1
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| Subject: | Re: Electrical issue |
Mark,
Thanks! Its a -52. Ill try looking at those first. I did open the right forward
access panel and there was an electrical box/panel marked AC panel immediately
on the firewall, based on your picture Im not sure thats the box youre referencing.
If thats not it, which way from that box?
Sorry new to the yak.
Thanks
Bryan
> On Aug 7, 2019, at 12:24 AM, Mark Bitterlich <markbitterlich@embarqmail.com>
wrote:
>
> <Yak Electrical scan.jpg>
Message 2
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| Subject: | Re: Electrical issue |
Hi Bryan & Mark,
Bryan - as Mark outlined it's likely to be either the fuse or the relay that's
failed ... simple check (for a -52) is to turn on the battery master switch and
if the green 'battery on' warning light is illuminated in the rear cockpit then
the fuse is good & the relay suspect.
YAK-50 does not have this facility but if putting a voltmeter on #6 relay from
fuselage ground to each of the 4 connections in turn gives a voltage reading on
one of them (#2?) then the fuse is good.
FYI - I've had this relay(#6 TKD501DOD) fail on me some five years ago in my -52
and replacements are hard to come by.
If no rear warning light / voltage then likely the fuse has failed mechanically
or become corroded ... always be wary of big fuse failure as it may be the result
of a major short elsewhere. YAK-52 fuse is 50A & -50 is 20A.
So proceed with caution in replacing it ... you could remove the fuse and put a
ohm-meter from the downstream side to fuselage earth and see if there's a very
low reading (i.e. c.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=490741#490741
Attachments:
http://forums.matronics.com//files/yak_52_dc_relay_box_843.jpg
Message 3
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| Subject: | Re: Electrical issue |
Once my 52 had same symptom. As mentioned, it was "6" 5010 relay/kontactor. The
"7" is the relay/kontactor for ground power.
I believe they can be swapped in a pinch.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=490743#490743
Attachments:
http://forums.matronics.com//files/yak_dc_electrical_ru_120.jpg
Message 4
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| Subject: | Re: Electrical issue |
Also from similarly reported issues in the past the relay screws can work loose
and the resulting vibration in the high current metal strap connectors can fracture
them. So worth examining these carefully too.
Rob R
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=490746#490746
Message 5
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| Subject: | Re: Why is the T34 so overpriced? |
...and with that flat engine you wont get the same round engine health benefits
of whole body vibration that is only now being hyped by the fitness industry...the
whiter teeth bit may be a stretch though.
Rich
Sent from my iPhone
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