onan flywheel question
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Category: Allis Chalmers
Forum Name: Garden Tractors
Forum Description: A great place to discuss the Simplicity and Allis Chalmers Garden Models
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=101782
Printed Date: 26 Nov 2024 at 7:46am
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Topic: onan flywheel question
Posted By: coggonobrien
Subject: onan flywheel question
Date Posted: 11 Feb 2015 at 12:26am
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I will post pictures tomorrow but i had to source a replacement flywheel for my 616. The ccka parts engine I had with the bad flywheel has an aluminum fly wheel with the magnets secured by screws. The replacement I was sent is steel/iron with glued in magnets. Any ideas which would be correct? It's going on a cckb engine running the charging system from the ccka. Thanks! David
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Replies:
Posted By: macvette
Date Posted: 11 Feb 2015 at 8:56am
| I have a cckb in my 620. It has the cast iron flywheel with glued in magnets. Glue let loose on one magnet in mine while running, and took out stator wires, and broke some timing cover mounts. Has cost me lots of $, and still not charging, so probably would be a good idea to make sure glue is good before mounting. |
Posted By: coggonobrien
Date Posted: 11 Feb 2015 at 9:02am
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Posted By: coggonobrien
Date Posted: 11 Feb 2015 at 9:02am
http://s161.photobucket.com/user/coggonobrien/media/616/20150211_084310_zps5u9uilfu.jpg.html" rel="nofollow">
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Posted By: coggonobrien
Date Posted: 11 Feb 2015 at 9:30am
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Posted By: coggonobrien
Date Posted: 11 Feb 2015 at 9:31am
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Posted By: Steve in NJ
Date Posted: 11 Feb 2015 at 10:49am
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Dave, On my 620 w/CCKB engine, my flywheel is cast with the glued in Magnets also. I had a Kohler Command engine at work loose one of those glued in Magnetics on the Kohler flywheel and it did quite a bit of damage like what happened with macvette. I don't trust that glued in stuff even though my flywheel Magnetics are nice n' tight right now. Especially whens its 30+ years old to!... ------------- 39'RC, 43'WC, 48'B, 49'G, 50'WF, 65 Big 10, 67'B-110, 75'716H, 2-620's, & a Motorhead wife |
Posted By: HudCo
Date Posted: 11 Feb 2015 at 10:50am
| mesure the i.d. of the magents and see if they will fit over the stator the i.d. is probley have to the same to charge lay it down and measure the hight of the ring gear ot see if it is going to be inthe right place the heaveyier flywheel will make alot more torque you will have to bolt it on nd start it on the bench to see if it vibrates i dont know how the two wheels or cranks are balanced i would tryi it my self |
Posted By: coggonobrien
Date Posted: 12 Feb 2015 at 11:22pm
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here are pictures of the stator sitting in each fly wheel cast iron fly wheel http://s161.photobucket.com/user/coggonobrien/media/616/20150212_093256_zpsnnxgv2yq.jpg.html" rel="nofollow">  aluminum http://s161.photobucket.com/user/coggonobrien/media/616/20150212_093204_zpswh5ie3so.jpg.html" rel="nofollow">  rectifier on pan http://s161.photobucket.com/user/coggonobrien/media/616/20150212_093342_zps4qepg1fv.jpg.html" rel="nofollow">
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Posted By: HudCo
Date Posted: 13 Feb 2015 at 6:06pm
| to bad it wouldnt change over what happened to the end of the crank |
Posted By: coggonobrien
Date Posted: 17 Feb 2015 at 11:17am
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crank was that way when I bought it don't know if it was done for balancing or what purpose any thoughts on which fly wheel that stator belongs in? |
Posted By: Steve in NJ
Date Posted: 19 Feb 2015 at 6:25am
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Dave, I have the cast flywheel. I can put a ruler across my stator to give you and idea of how it should fit. I'll do it tonight when I git home from work... ------------- 39'RC, 43'WC, 48'B, 49'G, 50'WF, 65 Big 10, 67'B-110, 75'716H, 2-620's, & a Motorhead wife |
Posted By: coggonobrien
Date Posted: 19 Feb 2015 at 7:50am
| awesome thanks Steve |
Posted By: Steve in NJ
Date Posted: 20 Feb 2015 at 5:32am
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Dave, My Stator measures just a fuzz under 5 1/2". Fits just snug in the flywheel. Here's a pic:  ------------- 39'RC, 43'WC, 48'B, 49'G, 50'WF, 65 Big 10, 67'B-110, 75'716H, 2-620's, & a Motorhead wife |
Posted By: coggonobrien
Date Posted: 20 Feb 2015 at 7:18am
| Gotcha thanks |
Posted By: coggonobrien
Date Posted: 21 Feb 2015 at 10:12am
| steve is that stator new and do you have the part number for it? the one cummins gave me is a fuzz big. Also do you have a dial caliper you. Oulu measure the inside of the fly wheel? |
Posted By: BrianC
Date Posted: 21 Feb 2015 at 10:50am
| Steve, how many wires are coming out of your stator lead, 2 or 3? |