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Bad Rotax 582 Stator Coil Removed

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ronko(at)att.net
Guest

Posted: Sun Aug 11, 2013 2:45 pm Post subject: Bad Rotax 582 Stator Coil Removed

Pulsar People,



I am making progress with my Rotax 582 ignition problem.  I just got the stator coil removed and fortunately the open 6 inches before the firewall, I did not need to remove or slide the engine from its mounts.



I found one of the white (ground) magneto charging wires was broken right at the 2 prong rubber connector (shouldn't have had to remove the coil to discover that).  But both green wires of this magneto charging source are open and as I am told they should read 230 ohms to ground.  I wiggled wires to see if there was a loose connection or intermittent, but they always showed open.  The wires and physical condition of the stator coil look perfectly fine, no scuffing, cracks, just looks solid.



I anticipate ordering a replacement coil ($713, Ouch! one seventh the cost  of a whole new engine).  But, it scares me a bit that both mag charging coils are bad.  In a way not a surprise, because during my most recent trouble shooting, I could not get spark from either ignition circuit.  Earlier, there was a time, when one ignition circuit was working, where I found that the engine would not run on "L" mag switch, swapped mags, still would not runt on "L" mag switch, so both mags seem okay. But now I am wondering, can a mag have a fault condition that burns up a stator coil?  I doubt it, but it could be costly to replace the stator coil and fry it.  From the looks of the 4 mag charging coils, they must have a significantly thinner wire, and allot more turns (230 ohms worth) than the regulator/battery charging coils, so they would be more susceptible to failure.

The Quicksilver owner that I got the stator flywheel puller from, said he went through the same problem and replaced a stator coil on his Rotax 503.



I plan on calling LEAF and talking to a tech, but any other thoughts from the Pulsar group out there is much appreciated.



Gotta get this Pulsar safely flying for the Pulsar convention.



Best regards,



Ronko 

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MyronTruex(at)comcast.net
Guest

Posted: Mon Aug 12, 2013 7:55 am Post subject: Bad Rotax 582 Stator Coil Removed

I cannot imagine a Stator causing any damage. As for the  connections and not being able to examine them, can you repair them. Heat,  vibration, and overzealous use of plastic ties can put pressure on connections.  The use of shrink tubing can cause similiar issues. Use a magnyfying glass to  look for hairline cracks in any solder connections. 

  

 One other issue. Didn't someone come up with a water craft  part number that is the same but a fraction of the  price?



   From: owner-pulsar-list-server(at)matronics.com  [mailto:owner-pulsar-list-server(at)matronics.com] On Behalf Of Ron  Koval

Sent: Sunday, August 11, 2013 3:43 PM

To: Pulsar  Builders; Pulsar-Aviators(at)yahoogroups.com

Subject: Bad  Rotax 582 Stator Coil Removed

 

  Pulsar People,



I am making progress with my Rotax 582 ignition  problem.  I just got the stator coil removed and fortunately the open 6  inches before the firewall, I did not need to remove or slide the engine from  its mounts.



I found one of the white (ground) magneto charging wires was  broken right at the 2 prong rubber connector (shouldn't have had to remove the  coil to discover that).  But both green wires of this magneto charging  source are open and as I am told they should read 230 ohms to ground.  I  wiggled wires to see if there was a loose connection or intermittent, but they  always showed open.  The wires and physical condition of the stator coil  look perfectly fine, no scuffing, cracks, just looks solid.



I anticipate  ordering a replacement coil ($713, Ouch! one seventh the cost of a whole new  engine).  But, it scares me a bit that both mag charging coils are  bad.  In a way not a surprise, because during my most recent trouble  shooting, I could not get spark from either ignition circuit.  Earlier,  there was a time, when one ignition circuit was working, where I found that the  engine would not run on "L" mag switch, swapped mags, still would not runt on  "L" mag switch, so both mags seem okay. But now I am wondering, can a mag have a  fault condition that burns up a stator coil?  I doubt it, but it could be  costly to replace the stator coil and fry it.  From the looks of the 4 mag  charging coils, they must have a significantly thinner wire, and allot more  turns (230 ohms worth) than the regulator/battery charging coils, so they would  be more susceptible to failure.

 



 The  Quicksilver owner that I got the stator flywheel puller from, said he went  through the same problem and replaced a stator coil on his Rotax 503.



I  plan on calling LEAF and talking to a tech, but any other thoughts from the  Pulsar group out there is much appreciated.



Gotta get this Pulsar safely  flying for the Pulsar convention.



Best regards,



Ronko  



 

[quote]



href="http://www.matronics.com/Navigator?Pulsar-List">http://www.matronhref="http://forums.matronics.com">http://forums.matronics.com

href="http://www.matronics.com/contribution">http://www.matronics.com/c

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alan99gill(at)yahoo.co.uk
Guest

Posted: Mon Aug 12, 2013 9:45 am Post subject: Bad Rotax 582 Stator Coil Removed

Hi Ronko

 

Hints from my Rotax (503 and 582) file.

 

Transducer supply windings on stator ... Green to White  (or ground) ... 230 - 330 ohms

 

Auxiliary windings .................................  Yellow to Yellow ................... 0.1 to 0.2 ohms

 

Pickups on triggers ..................................  Red to White (or ground) ....   60 ohms

 

Trigger to flywheel gap ... 20 thou

 

Regards

Alan Gill

UK Pulsar  Support

 

     

   From: Ron Koval <ronko(at)att.net>

 To: Pulsar Builders <Pulsar-List(at)matronics.com>; "Pulsar-Aviators(at)yahoogroups.com" <Pulsar-Aviators(at)yahoogroups.com> 

 Sent: Sunday, 11 August 2013, 23:42

 Subject: Pulsar-List: Bad Rotax 582 Stator Coil Removed

  

 

Pulsar People,



I am making progress with my Rotax 582 ignition problem.  I just got the stator coil removed and fortunately the open 6 inches before the firewall, I did not need to remove or slide the engine from its mounts.



I found one of the white (ground) magneto charging wires was broken right at the 2 prong rubber connector (shouldn't have had to remove the coil to discover that).  But both green wires of this magneto charging source are open and as I am told they should read 230 ohms to ground.  I wiggled wires to see if there was a loose connection or intermittent, but they always showed open.  The wires and physical condition of the stator coil look perfectly fine, no scuffing, cracks, just looks  solid.



I anticipate ordering a replacement coil ($713, Ouch! one seventh the cost  of a whole new engine).  But, it scares me a bit that both mag charging coils are bad.  In a way not a surprise, because during my most recent trouble shooting, I could not get spark from either ignition circuit.  Earlier, there was a time, when one ignition circuit was working, where I found that the engine would not run on "L" mag switch, swapped mags, still would not runt on "L" mag switch, so both mags seem okay. But now I am wondering, can a mag have a fault condition that burns up a stator coil?  I doubt it, but it could be costly to replace the stator coil and fry it.  From the looks of the 4 mag charging coils, they must have a significantly thinner wire, and allot more turns (230 ohms worth) than the regulator/battery charging coils, so they would be more susceptible to failure.

The Quicksilver owner that I got the stator flywheel puller from, said he went through the same problem and replaced a stator coil on his Rotax 503.



I plan on calling LEAF and talking to a tech, but any other thoughts from the Pulsar group out there is much appreciated.



Gotta get this Pulsar safely flying for the Pulsar convention.



Best regards,



Ronko 

 [quote]ht; http://www.matronics.com/contri===============


[b]

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Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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ronko(at)att.net
Guest

Posted: Mon Aug 12, 2013 6:59 pm Post subject: Bad Rotax 582 Stator Coil Removed

Allen,

  

 Thanks for your response of items that I can check.

  

 I talked to an engine tech (actually he was one of the mechanics that installed my Blue Head engine) at Leading Edge Air Foils and he sent me also the attached document he provides to check the ignition system.  It seems there have been some suttle design changes in the system over the years.

  

 Thanks again.

  

 Ron

 

    

From: Alan Gill <alan99gill(at)yahoo.co.uk>

To: "pulsar-list(at)matronics.com" <pulsar-list(at)matronics.com> 

Sent: Monday, August 12, 2013 12:42 PM

Subject: Re: Bad Rotax 582 Stator Coil Removed



 

    Hi Ronko

  

 Hints from my Rotax (503 and 582) file.

  

 Transducer supply windings on stator ... Green to White  (or ground) ... 230 - 330 ohms

  

 Auxiliary windings ..................................  Yellow to Yellow .................... 0.1 to 0.2 ohms

  

 Pickups on triggers ..................................  Red to White (or ground) ....   60 ohms

  

 Trigger to flywheel gap ... 20 thou

  

 Regards

 Alan Gill

 UK Pulsar Support

  

 



    

From: Ron Koval <ronko(at)att.net>

To: Pulsar Builders <Pulsar-List(at)matronics.com>; "Pulsar-Aviators(at)yahoogroups.com" <Pulsar-Aviators(at)yahoogroups.com> 

Sent: Sunday, 11 August 2013, 23:42

Subject: Bad Rotax 582 Stator Coil Removed



 

    Pulsar People,



I am making progress with my Rotax 582 ignition problem.  I just got the stator coil removed and fortunately the open 6 inches before the firewall, I did not need to remove or slide the engine from its mounts.



I found one of the white (ground) magneto charging wires was broken right at the 2 prong rubber connector (shouldn't have had to remove the coil to discover that).  But both green wires of this magneto charging source are open and as I am told they should read 230 ohms to ground.  I wiggled wires to see if there was a loose connection or intermittent, but they always showed open.  The wires and physical condition of the stator coil look perfectly fine, no scuffing, cracks, just looks solid.



I anticipate ordering a replacement coil ($713, Ouch! one seventh the cost of a whole new engine).  But, it scares me a bit that both mag charging coils are bad.  In a way not a surprise,  because during my most recent trouble shooting, I could not get spark from either ignition circuit.  Earlier, there was a time, when one ignition circuit was working, where I found that the engine would not run on "L" mag switch, swapped mags, still would not runt on "L" mag switch, so both mags seem okay. But now I am wondering, can a mag have a fault condition that burns up a stator coil?  I doubt it, but it could be costly to replace the stator coil and fry it.  From the looks of the 4 mag charging coils, they must have a significantly thinner wire, and allot more turns (230 ohms worth) than the regulator/battery charging coils, so they would be more susceptible to failure.

 



 The Quicksilver owner that I got the stator flywheel puller from, said he went through the same problem and replaced a stator coil on his Rotax 503.



I plan on calling LEAF and talking to a tech, but any other thoughts from the Pulsar group out there is much appreciated.



Gotta get this Pulsar safely flying for the Pulsar convention.



Best regards,



Ronko 



 

 	  Quote: 	
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