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Question with electric issue on my 21HD RAM


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#1 Husky ONLINE  

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Posted June 05, 2016 - 06:04 PM

My Super Ride-a-matic is 1957 I believe. Lately it starts fine but runs as if it is missing on spark. After it warms up if I shut it off it will not start again until it cools off. I'm leaning towards a bad or cracked ignition coil. I've looked at the diagram and info on the K161. Mine is a K160 s/n 335287 spec 28118c. I'm not sure after reading up on the material as to just what lies behind that flywheel and if I can replace the coil. If so, I'll be interested in finding one should anyone have one. Any thoughts on this issue? Thank you in advance for any ideas as to what may be wrong.

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#2 HANKG ONLINE  

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Posted June 05, 2016 - 06:58 PM

I also have a super RAM  the coil is behind the flywheel and I replaced mine check with doc, Bolens parts and supplies site sponser he may be able to source one for you, if not I have another source standard magneto sales 773 235 2010 you will want the replacement for a large Bendix coil  3 1/8" long


Edited by HANKG, June 05, 2016 - 07:09 PM.

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#3 grattone ONLINE  

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Posted June 05, 2016 - 08:02 PM

Is the points and condenser external / easy to get to ?

I would check the condenser before taking the flywheel off.

I have had that problem before and the condenser was the problem.

 

Just my 2 cents hope it helps

Gratton


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#4 Bolens 1000 ONLINE  

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Posted June 05, 2016 - 08:21 PM

Sounds like either the coil or the condenser , if you take the flywheel off and see the bendix cracked I'd replace it also do the condenser while your at it, it seems like most of these mags are nearing their end of life these past few years, I've sold quite a few . The plastic they used years ago was pretty poor in quality and even new old stock ones you find in the box are cracked with age

 

To see what the stuff looks like here's what you will possibly need

 

http://bolenspartsan...4701-47-147-01/

 

http://bolenspartsan...products.search


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#5 Husky ONLINE  

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Posted June 06, 2016 - 06:45 AM

Thanks for all the help guys. The condenser will get replaced also. It was just replaced a few years ago when the tractor was rebuilt. I'm happy that this coil is a mount on and not that round one that mounts on the shaft like the kohler engine manual was showing. I had the flywheel shroud off yesterday but did not want to pull the flywheel until I asked you guys about this. That new coil sounds good as it is a remanufacture and used better quality that won't crack. I'll pull the flywheel and have a look at mine. Thanks again and I'll update this post.


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#6 Husky ONLINE  

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Posted June 06, 2016 - 11:35 AM

So my spec # 28118c  matches up to the kohler parts manual section 18. It calls for a variation #97 which is the N2 coil stator which is exactly what you called out p/n 230075. I'm thinking that this coil must unbolt from the N2 assembly. I have not pulled the flywheel but will do that this week. Thanks for the help.

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#7 Bolens 1000 ONLINE  

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Posted June 06, 2016 - 11:56 AM

The 230075 coils are held on by two spring clips on each side


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#8 Husky ONLINE  

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Posted June 06, 2016 - 03:06 PM

The 230075 coils are held on by two spring clips on each side

Excellent, thank you. The flywheel should come off fairly easy as it was off and sand blasted when the tractor was restored a few years back. I'll keep you posted.



#9 Husky ONLINE  

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Posted June 11, 2016 - 10:32 AM

 If I remember correctly the flywheel nut is a left hand thread?



#10 Bolens 1000 ONLINE  

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Posted June 11, 2016 - 10:35 AM

I believe its regular thread (Right hand)


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#11 Husky ONLINE  

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Posted June 11, 2016 - 10:44 AM

Wow thanks for the quick reply. I'm going to go out and try it.



#12 Husky ONLINE  

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Posted June 11, 2016 - 04:04 PM

I took it apart and I'm guessing that I should have bought a spark plug wire to attach to the coil. Here is what I bought and what is on the tractor. They don't look alike at all but the tabs do line up for the coil mount. I'm worried about the old coil because the spark plug wire looks brand new indicating that the coil is new.

 

The first and third picture is the old coil. It is sort of round. I hope that swapping this out fixes the problem. The condenser on there is tiny compared to the one that I ordered so maybe the one I have is the right one. I have not tried to mount anything as of now. I want to be sure that this is the correct coil and condenser? 

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Edited by Husky, June 11, 2016 - 04:10 PM.


#13 Bruce Dorsi ONLINE  

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Posted June 11, 2016 - 05:08 PM

I took it apart and I'm guessing that I should have bought a spark plug wire to attach to the coil. Here is what I bought and what is on the tractor. They don't look alike at all but the tabs do line up for the coil mount. I'm worried about the old coil because the spark plug wire looks brand new indicating that the coil is new.

 

The first and third picture is the old coil. It is sort of round. I hope that swapping this out fixes the problem. The condenser on there is tiny compared to the one that I ordered so maybe the one I have is the right one. I have not tried to mount anything as of now. I want to be sure that this is the correct coil and condenser? 

 

The coil that was on your tractor is a Tecumseh coil (#30560) and condenser (# 30548) which someone installed to replace a failed Kohler coil.

 

The new replacement coil & condenser look correct for a Kohler engine.


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#14 Husky ONLINE  

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Posted June 11, 2016 - 05:45 PM

The coil that was on your tractor is a Tecumseh coil (#30560) and condenser (# 30548) which someone installed to replace a failed Kohler coil.

 

The new replacement coil & condenser look correct for a Kohler engine.

Thank you Bruce I appreciate your information. I'll get on this and see how it goes.



#15 Bolens 1000 ONLINE  

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Posted June 11, 2016 - 07:01 PM

Bruce is correct looks like someone tried to rig something together using the wrong parts, you can see they even used some gas hose to make it stay still on that shaft LOL

 

 

Here's what everything should look like all mounted up:

 

 

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