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One way bearing always covered in oil - 1/23/2012 5:59 AM   
VDub99AML


 

Posts: 425
Score: 100
Joined: 10/23/2005
Last Login: 12/27/2012
From: Canton, OH, USA
Status: offline 		I have had issues with the one way bearing always slipping. I have replaced the bearing multiple times only to have it slip again after a few runs. I have the rotostart installed, and whenever I remove the rotostart housing, I will find the one way bearing is covered in oil. I thought maybe the exhaust was dripping oil down behind the rotostart housing and covering the bearing. I cleaned the oneway bearing and the starter shaft with brake clean, and I put silicone sealer around the rotostart housing to find out if it was coming from the exhaust or the backplate/starter shaft. After I finally got the truck started this afternoon (the oneway would usually catch just enough to crank the engine 1 rev or 2 before slipping). I ran about 1 tank today, and removed the rototstart housing only to find oil in the oneway bearing again. I then removed the engine backplate and the starter shaft. I found there is a couple thousandths of play between the backplate and the starter shaft. I'm wondering how much play there should be between the plate and the shaft. It seems to me I need to replace the back plate and the starter shaft. Thoughts please?

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RE: One way bearing always covered in oil - 1/23/2012 12:38 PM   
The Real Dogman



Posts: 2234
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Last Login: 5/25/2013
From: Waterford, MI, USA
Status: offline 		install a small o-ring around starter shaft on inside of starter plate(might need to cut a land in the aluminum back plate for o-ring. Also get some 80grit sandpaper and score the started shaft longitudinally(parallel to shaft) so the OWB has a more scuffed surface to "grab" That should help!

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RE: One way bearing always covered in oil - 1/24/2012 5:27 AM   
dustin7837


 

Posts: 1712
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Joined: 4/17/2005
Last Login: 2/3/2013
From: _, AB, CANADA
Status: offline 		What fuel are you using? I was originally using "blue thunder" and was having OWBs slip all the time. Eventually someone told me it could be the dye in the fuel and once I switched fuel I haven't had another one slip.

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All Forums >> RC Cars, Buggies, Trucks, Tanks and more >> CEN Racing >> One way bearing always covered in oil
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