Best way to remove bearing from OS engine.... - RCCanada - Canada Radio Controlled Hobby Forum
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Old 11-22-2004, 08:17 PM   #1
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Best way to remove bearing from OS engine....

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I have an oil leak from the front bearing of my OS 46 AX, so I tear down my engine, I hope it's the good term and I saw the inner bearing does'nt roll free, it like some oily rust in it and it roll roughly. but the front one had and oil leak.

These bearing look like it's press fit in the crankcase and I dont want to break it. So could you tell me some way to remove those bearing an d instal new one.

"R-SABY 50"
Laval, Quebec (Canada)
MAAC 71660
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Old 11-22-2004, 08:43 PM   #2
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If you are going to change one bearing you might as well change them both. Strip the entire engine down first thing. Heat the crank case GENTLY with a propane torch. Use a dowl slightly larger than the inner race of the front bearing. From the rear of the crank case it should only take a gentle poke if any at all and the front bearing will fall out. Then do the same thing from the front of the crank case to remove the rear bearing. Repeat the the process to put the new bearing in place. When the new bearing are in place, install the crank and GENTLY warm the crank case again with a propeller in place and tighten the propeller down tight. This will ensure the bearings asre seated in proper and all the way.
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Old 11-22-2004, 09:15 PM   #3
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Same thing only I use a toaster oven. about 260 and the bearings fall out.
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Old 11-22-2004, 10:54 PM   #4
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Wouldn't it still be under warranty? I sent a couple 46FX's back to OS through my LHS, when they had that peeling liner problem a few years back. They replaced the parts free of charge...of course you gotta wait for the shipping.

Eat. Sleep. Fly. Life's that simple.
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