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Viking 130 Starter problem

Went to start the engine last week and the starter would not engage. Worked fine the day before and have had no issues with it.

I initially suspected a voltage problem but the batteries were fine so I then focused on the starter relay circuit but it checked out as well, I was getting 12v to the bendix coil. I then checked the bendix coil for continuity and it was open. A call to Jan who checked a starter at his shop confirmed that the coil is supposed to have resistance so I knew the problem was an open bendix coil.

There was not a starter available locally so I was going to have to wait for one to be shipped. I decided to take apart the starter to see if I could discover what caused the failure. I was concerned that there might be some type of undiscovered electrical issue that caused the failure and I wanted to inspect the coil for burnt or melted wires. What I found was there is one wire that connects the coil to the connection terminal and one wire that exits the coil makes a 180 bend and connects to the starter body to complete the circuit. The wire had cracked at the bend. There was no sign of arcing or high current , it was a simple break. I soldered the wire back together, assembled the starter and it worked.

Glenn Davis

5362P 

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Replies

  • Nice work. We were prepared to get you another starter out Friday but too late for UPS. Let us know if you want a spare on the shelf.
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Loren Warner left a comment on Recent Activity - Add Comments, Videos and Pictures Below
"I think he just wants a lower the idle speed to test run the engine while waiting to install a propeller.  "
6 hours ago
Alissa Daniel left a comment on Recent Activity - Add Comments, Videos and Pictures Below
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Alissa Daniel left a comment on Recent Activity - Add Comments, Videos and Pictures Below
"Thank you Charlie, It has been a lot of fun putting it together, but still have many more to add!"
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Charlie Rosenzweig replied to Steve Kanotz's discussion Van's RV-7 and Viking 180 HP
"I have a viking HD gearbox which I like very much on a 1.8L honda engine running on a test stand that is about to migrate over to my RV6a. I have an extensive thread on VAF in the Alternative Engines section. Charlie"
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Viking Aircraft Engines left a comment on Recent Activity - Add Comments, Videos and Pictures Below
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Viking Aircraft Engines left a comment on Recent Activity - Add Comments, Videos and Pictures Below
"Wait to do any idle settings until a propeller is mounted and the pitch has been finalized.  
 "
yesterday
Charlie Rosenzweig left a comment on Recent Activity - Add Comments, Videos and Pictures Below
"Great idea on the map.  I really like that.  Charlie "
yesterday
Brad Safford left a comment on Recent Activity - Add Comments, Videos and Pictures Below
"I ended up filing a notch in the throttle body casting where the throttle arm was hitting it. Worked like a charm. RPM was around 700 when I started it, adjusted the idle screw and put it at 1200 and it now stays pretty close to that after warming u…"
yesterday
Stephen Bennett is now a member of Viking Aircraft Engine Forum
Tuesday
Loren Warner left a comment on Recent Activity - Add Comments, Videos and Pictures Below
"Thanks for the compliment.  Filing or cutting should work fine, but have you also looked at relocating the throttle lever?  Hope you're able to improve on some of our ideas, and pass it on.  "
Tuesday
Brad Safford left a comment on Recent Activity - Add Comments, Videos and Pictures Below
"When I pull the throttle all the way back to idle the throttle linkage is already hitting the cast part of the throttle body that has been cut to make room for the linkage. I think I need to file or cut it back more so the cable can pull the linkage…"
Tuesday
Loren Warner left a comment on Recent Activity - Add Comments, Videos and Pictures Below
"Without a propeller installed, we lowered our idle speed to between 850 and 1000 rpm by backing the idle screw all the way back.  Our engine also speeds up as the temperature rises, but seemed to recall it remaining below 1200 with the idle screw ba…"
Tuesday
Brad Safford left a comment on Recent Activity - Add Comments, Videos and Pictures Below
"I have started my 130 twice now. Last September just to get the oil flowing and lube evrything and tonight to get the air out of the coolant system and check for leaks. Both times, with the throttle at idle. It would start out at about 1700 rpm and…"
Tuesday
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